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Jan 20Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry14

    Hangzhou Institute of Optics and Fine Mechanics Holds Internal Training on Optoelectronic Technology Trends

    On January 15, the Hangzhou Institute of Optics and Fine Mechanics held an internal special training session, with Chief Scientist Zhao Dongfeng delivering a lecture titled What Is Optoelectronic Technology and What Are Its Trends. The report covered investment conditions and trends, evolutionary logic and technology needs, and projected the direction of optoelectronic technology based on key industry development trends over the next five years.

Jan 6Tue
Jan 5Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry46

    Anti-Resonant Hollow-Core Fiber Enables Flexible Delivery and Micromachining of High-Power Picosecond Lasers

    The Russell Center at the Hangzhou Institute of Optics and Mechanics, together with the Shanghai Institute of Optics and Fine Mechanics, published a paper in High Power Laser Science and Engineering, demonstrating high-quality transmission and precision machining of high-power picosecond lasers using a single-ring anti-resonant hollow-core fiber.

Dec 25Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry29

    Hangzhou Institute of Optics and Mechanics and Its Incubated Companies Exhibit at 2025 China Optoelectronic Materials Conference

    The Hangzhou Institute of Optics and Mechanics formed an exhibition consortium with the Russell Advanced Optical Wave Science Center, Hengying Technology, Yinhu Laser and Tuozhi Optoelectronics to participate in the 2025 China Optoelectronic Materials Conference, held in Shanghai on December 23-24. The exhibits covered low-loss hollow-core fibers, infrared optical materials, laser micro- and nano-processing for chip packaging materials, and volume gratings. The conference focused on advanced glass materials, optical communications and laser materials, among other areas.

Dec 18Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryOptics and AI37

    Guangzai Technology CO2 LiDAR Used to Validate High-Resolution Urban Carbon Emission Model

    Guangzai Technology, an incubated company of the Hangzhou Institute of Optics and Mechanics, collaborated with the University of Cambridge, Southeast University and others to publish a paper in Sustainable Cities and Society, proposing SCE-Model, a spatiotemporal carbon emission model optimized by machine learning and validated by LiDAR. The model output is highly consistent with coherent differential absorption LiDAR observations (R² = 0.79; ±5 ppm), enabling hourly, block-level carbon emission mapping.

Dec 17Wed
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry25

    Fujia Gallium Chairman Qi Hongji on Gallium Oxide Commercialization

    Fujia Gallium Chairman Qi Hongji gave an exclusive interview to the Asia Gallium Oxide Alliance during APCSCRM 2025, describing the company's journey from the laboratory to gallium oxide industrialization. He said the VB method 6-inch single-crystal growth technology greatly reduces precious metal consumption and lowers single-crystal substrate production costs, and introduced a one-click crystal growth system combining artificial intelligence and precision control.

Dec 9Tue
Dec 5Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry32

    Fujia Gallium Unveils 6-Inch Gallium Oxide Vertical SBD Wafer at APCSCRM 2025

    Fujia Gallium Chairman Qi Hongji unveiled a 6-inch gallium oxide vertical SBD wafer in a presentation at APCSCRM 2025. The wafer is based on the company's in-house high-mobility homoepitaxial gallium oxide epiwafer and was fabricated through joint tape-out with downstream device partners. The wafer includes four chip sizes: 3.0x3.0mm2, 1.0x1.0mm2, 0.5x0.5mm2, and phi 0.1mm.

Dec 4Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry17

    Hangzhou Institute of Optics and Fine Mechanics Exhibits with Incubated Companies at "New Knowledge, New Quality: Zhejiang's Best Results" Showcase and Trade Fair

    The Hangzhou Institute of Optics and Fine Mechanics (HIOM), serving as a proof-of-concept center, joined the HIOM Russell Center and incubated company Hengying Technology at the "New Knowledge, New Quality: Zhejiang's Best Results" showcase and trade fair ("AI+" special session). The group highlighted innovative practices and industrialization outcomes at the intersection of artificial intelligence and optoelectronic technology. On site, HIOM presented its full-chain service capabilities for early-stage scientific and technological achievements, including technical verification, pilot-scale incubation, and industry matchmaking, and used core products from the Russell Center and Hengying Technology to illustrate innovation strengths in fiber manufacturing, optoelectronic materials, and other fields.

Dec 3Wed
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry20

    Hangzhou Institute of Optics and Fine Mechanics Exhibits with Four Incubated Companies, Including Hengying Technology and Yinhu Laser, at the 2025 Laser Manufacturing and Additive Manufacturing Exhibition

    The Hangzhou Institute of Optics and Fine Mechanics exhibited with four incubated companies, Hengying Technology, Yinhu Laser, Jiayue Intelligent, and Hengmai Optics, at the 2025 Laser Manufacturing and Additive Manufacturing Exhibition, showcasing industrialized products from optoelectronic industry-chain technologies. The exhibition was held November 29-30 at the China National Convention Center in Beijing, bringing together 296 industry-leading companies, universities, and research institutions across an exhibition area of 22,000 square meters. The participating companies covered infrared optical materials, laser micro- and nano-processing of chip packaging materials, high-temperature intelligent equipment, and other fields.

Nov 27Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry18

    Exchange Meeting on Proof-of-Concept Platform Development Held in Hangzhou; Hangzhou Institute of Optics and Fine Mechanics Invited to Speak

    An exchange meeting on proof-of-concept platform development was held November 26 in Xihu District, Hangzhou, bringing together heads of science and technology departments from more than 20 provinces and cities and representatives of more than 50 proof-of-concept institutions. The Hangzhou Institute of Optics and Fine Mechanics was invited to speak. Deputy Director Zhuang Chunguang said the institute's Optoelectronic Functional Materials Proof-of-Concept Center conducts full-lifecycle proof-of-concept work across four areas: semiconductors and specialty chips, optoelectronic materials, optoelectronic communications, and optoelectronic equipment, and has established a revenue-sharing mechanism among research teams, the proof-of-concept center, and investment institutions. Shanghai's newly established proof-of-concept platforms can receive up to 30 million yuan in support.

Nov 25Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryOptics and AI34

    Liutong Photonics Integrated Sensing and Communications Equipment Powers Digital Track at the 15th National Games

    Guangdong Telecom, Sun Yat-sen University, and the Su Bingtian Speed Research and Training Center, among others, used integrated sensing and communications equipment and a digital twin system from Liutong Photonics, a company incubated by the Hangzhou Institute of Optics and Fine Mechanics, to build a digital track based on communication optical fiber and a smart transportation demonstration project around the venue. The system captures vibration signals through hundreds of meters of fiber laid beneath the track and uses AI algorithms to calculate stride length, ground contact time, and other parameters, while the traffic sensing network extracts vehicle speed, trajectories, and traffic density from urban communication fiber cables.

Nov 24Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industryOptics and AI54

    Russell Center at Hangzhou Institute of Optics and Fine Mechanics Achieves Continuous Hollow-Core Fiber Drawing Beyond 15 Kilometers, with Minimum Loss Below 0.3 dB/km

    The Russell Center at the Hangzhou Institute of Optics and Fine Mechanics has made progress in hollow-core microstructured fiber drawing, achieving continuous drawing lengths exceeding 15 kilometers with minimum loss below 0.3 dB/km in the telecommunications band. Related industrialization is being advanced by Xinkong Guanglian (Hangzhou) Technology Co., Ltd., established by the Russell Center, targeting high-speed interconnects for intelligent computing centers and 6G communication networks. The team said this validates the feasibility of long-distance hollow-core fiber drawing and lays the groundwork for mass production of ultra-low-loss, ultra-long-distance hollow-core microstructured fiber.

Nov 20Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryOptics and AI36

    Aiou Optics Completes Tens of Millions of Yuan A+ Round

    Aiou Optics, a company incubated by the Hangzhou Institute of Optics and Fine Mechanics, has completed an A+ financing round of tens of millions of yuan, jointly invested by the Daohe Tuojing Chip Chain Fund and Juntong Capital. The funds will mainly go toward product development and capacity expansion to meet demand from the domestic semiconductor equipment industry for high-end lasers. Aiou Optics' intelligent stabilized lasers target applications including laser debonding, silicon wafer stealth dicing, glass through-hole processing, and display panel processing.

Nov 17Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry25

    Qi Hongji Presentation: How Far Is Gallium Oxide Industrialization for Ultra-Wide-Bandgap Semiconductors?

    Fujia Gallium Chairman Qi Hongji delivered an invited presentation titled "How Far Is Gallium Oxide Industrialization for Ultra-Wide-Bandgap Semiconductors?" at the 5th Youth Academic Conference on Artificial Crystal Materials, dividing gallium oxide industrialization into four stages: availability, usefulness, ease of use, and desirability. He believes that once single crystals and epitaxy break through the 6-inch barrier, gallium oxide devices can accelerate iteration using mature silicon power device tape-out lines, while material defects, P-type materials, heat dissipation, and reliability remain key future research topics.

Nov 12Wed
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry23

    Faibo's Distributed Fiber-Optic Acoustic Technology Wins First Prize from Jiangsu Instrument and Meter Society

    Faibo, an incubated company of the Hangzhou Institute for Optics and Photonics, received the first prize of the Jiangsu Instrument and Meter Society Science and Technology Award for its project "Applied Research on Distributed Fiber-Optic Acoustic Signal Reconstruction Technology for Arbitrary Disturbances." Faibo focuses on the research, development and application of distributed optical fiber sensing (DOFS) systems, with its core technology originating from Nanjing University.

Nov 4Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry21

    Infrared Optical Materials Company Hengying Technology Named a Doctoral Innovation Station by Zhejiang Association for Science and Technology

    Hengying Technology, an incubated company of the Hangzhou Institute for Optics and Photonics, has been included in the fifth group of Doctoral Innovation Stations of the Zhejiang Association for Science and Technology. The innovation station tackles key challenges in the preparation of large-size, high-performance fluorogallate infrared glass, optimization of infrared material properties and industrialization, and has jointly trained seven master's degree students with the University of Chinese Academy of Sciences.

Nov 3Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry19

    Silicon Carbide Laser Lift-Off Equipment Maker Jingfei Semiconductor Certified as a High-Tech Enterprise

    Jingfei Semiconductor, a platform-invested company of the Hangzhou Institute for Optics and Photonics, has been included in the "Beijing 2025 Second Group of High-Tech Enterprises" list. Jingfei Semiconductor is a manufacturer of precision semiconductor laser processing equipment and has achieved mass production of 8/12-inch silicon carbide laser lift-off equipment.

Oct 22Wed
  1. Google Blog · XR/AROptics and AI61

    Samsung Launches First Android XR Headset, Galaxy XR, Priced at $1,799

    Samsung has launched Galaxy XR, its first device based on Android XR. Google said it integrates Gemini, which can understand what users see and perform actions across apps, with voice, gesture and eye-tracking interaction.

    Why we recommend it: Google introduced Galaxy XR from the system and application side, focusing on how Gemini uses what the wearer sees to help, and provided the price and launch regions, serving as a reference point for Android XR device rollout.

Sep 26Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryOptics and AI41

    Liutong Photonics SC-DAS-1550-FA Integrated Sensing and Communications Device Monitors Typhoon Hagiwara via Submarine Cable

    During Typhoon Hagiwara, Liutong Photonics used the SC-DAS-1550-FA integrated sensing and communications device to turn the submarine communication cable of the Guishan Offshore Wind Farm into a distributed acoustic sensor array, monitoring in real time ocean waves and currents, as well as the impact, vibration and deformation of wind turbine foundations, towers and submarine cables.

Sep 23Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryOptics and AI36

    Ruier Mingkang Launches DF600, China's First Fully Domestic Laser Fundus Camera

    Ruier Mingkang (Zhejiang) Medical Technology Co., Ltd. has launched the DF600 series, China's first fully domestic laser fundus camera. Using a laser as its sole light source combined with confocal pinhole technology, the device enables layered imaging of the fundus. Its minimum imaging field reaches 130 degrees, while intelligent stitching covers up to 260 degrees. It requires only a 2 mm pupil without dilation, captures images in 0.1 seconds, and features built-in proprietary AI algorithms that identify the optic disc, blood vessels, macula, and hemorrhage spots without an internet connection. The DF600 has been deployed in endocrinology, health screening, emergency care, and other settings.

Sep 16Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry19

    Guangzai Technology Professor Xia Haiyun's Research on High-Precision, High-Sensitivity Wind Field Measurement Based on Optical Frequency Comb Calibration Wins Second Prize in the 2024 National Defense Science and Technology Progress Award

    The research project "Study of High-Precision, High-Sensitivity Wind Field Measurement Technology Based on Optical Frequency Comb Calibration," completed by Professor Xia Haiyun, chief scientist and founder of Guangzai Technology, won second prize in the 2024 National Defense Science and Technology Progress Award, marking a major breakthrough for Guangzai Technology in national defense science and technology honors. The award, announced by the Ministry of Industry and Information Technology, is the highest distinction in the national defense science and technology field. Guangzai Technology is a high-tech LiDAR company focused on the R&D and manufacturing of intelligent LiDAR systems for ground-based, airborne, shipborne, and spaceborne platforms.

Sep 15Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry38

    Fuja Gallium Produces China's First 6-Inch Gallium Oxide Single-Crystal Ingot by the VB Method

    Fuja Gallium has successfully produced a 6-inch gallium oxide single-crystal ingot using the vertical Bridgman (VB) method, a first in China. The crystal has a constant-diameter height of 30 mm, meeting the processing requirements for complete 6-inch conductive gallium oxide substrates. The company previously became the first in China to produce 4-inch gallium oxide crystals by the VB method in December 2024. It has also launched VB-method gallium oxide crystal growth equipment and supporting process packages with proprietary intellectual property rights.

Sep 12Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry23

    Hangzhou Institute of Optics and Fine Mechanics Exhibits with Seven Incubated Companies at the 26th China International Optoelectronic Exposition

    The Hangzhou Institute of Optics and Fine Mechanics exhibited at the 26th China International Optoelectronic Exposition together with seven incubated companies: Hengying Technology, Fuja Gallium, Tuozhi Optoelectronics, Aiou Optics, Muqi Optoelectronics, Yuexin Microelectronics, and Chuxin Optoelectronics. The group showcased industrialized products from optoelectronic industry-chain technologies, including infrared optical materials, gallium oxide single-crystal substrates and epitaxial wafers, volume Bragg gratings, ultrafast lasers, optical modules, semiconductor pump sources, and ADC chips.

Sep 10Wed
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry40

    Jingfei Semiconductor Achieves Laser Lift-Off of 12-Inch Silicon Carbide Wafers

    Jingfei Semiconductor has achieved lift-off of 12-inch silicon carbide wafers using its self-developed laser lift-off equipment. The technology has previously been validated by multiple customers in the 6-inch and 8-inch silicon carbide segments. Compared with mainstream 6-inch wafers, 12-inch wafers offer about four times the usable area and reduce per-chip costs by 30% to 40%. This breakthrough breaks the technological monopoly held by overseas manufacturers in large-size silicon carbide processing equipment and provides equipment support for expanding silicon carbide capacity.

Sep 8Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry22

    Fuja Gallium Completes Nearly 100 Million Yuan A+ Round to Build China's First 6-Inch Gallium Oxide Single-Crystal and Epitaxial Wafer Production Line

    Fuja Gallium, a company incubated by the Hangzhou Institute of Optics and Fine Mechanics, has announced the completion of an A+ funding round of nearly 100 million yuan, with participation from Shenzhen Capital Group, China Internet Investment Fund, Renzhi Capital, Zhongying Venture Capital, Shengde Investment, and others. The funds will be used to build China's first production line for 6-inch gallium oxide single crystals and epitaxial wafers, with annual capacity of 10,000 wafers expected by the end of 2026, as well as to improve single-crystal production efficiency, optimize epitaxial quality, and conduct device verification. The company has also launched its "one-click crystal growth" intelligent equipment, focusing on full-chain development of gallium oxide single-crystal preparation and epitaxy technology.

Sep 5Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry14

    Hangzhou Institute of Optics and Fine Mechanics Invited to Speak at Hangzhou's Work Deployment Meeting on Science and Technology Innovation Investment and the Construction of Proof-of-Concept Centers and Pilot Bases

    Qi Hongji, director of the Hangzhou Institute of Optics and Fine Mechanics, delivered a presentation at Hangzhou's work deployment meeting on science and technology innovation investment and the construction of proof-of-concept centers and pilot bases, introducing the development and practice of the Hangzhou Proof-of-Concept Center for Advanced Optoelectronic Functional Materials.

  2. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industryOptics and AI29

    Hangzhou Institute of Optics and Fine Mechanics Investment Platform Completes Angel Round in Xishi Technology to Accelerate Industrialization of Domestic High-End Film Thickness Metrology Equipment

    The investment platform of the Hangzhou Institute of Optics and Fine Mechanics has completed an angel-round investment in Xishi Technology. The funds will be used to expand production capacity for high-precision film thickness measurement instruments, upgrade next-generation optical algorithms, and develop the market. Xishi Technology's film thickness gauge product line covers benchtop, vacuum, handheld, line-scan, and OEM modules, with a measurement range from 1 nm to 1 mm and support for both single-layer and multilayer film measurement. Its optical structure and optomechanical system are 100% domestically sourced, and its light source utilization rate is five times that of comparable imported equipment.

Aug 28Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry19

    Dr. Zhang Lei of Precilase Wins the 2024 Shanghai Youth Science and Technology Outstanding Contribution Award

    Dr. Zhang Lei, founder, chairman, and general manager of Shanghai Precilase, received the "Shanghai Youth Science and Technology Outstanding Contribution Award" at the 2024 Shanghai Science and Technology Awards Ceremony. He was the youngest of the 10 award recipients and the only one from a company. His team pioneered the technology route of "broadband, narrow-linewidth precision lasers based on fiber and semiconductor integration," achieving domestic substitution for more than 60 precision laser products and delivering over 5,000 precision lasers in total.

Aug 21Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry26

    Hangzhou Institute of Optics and Mechanics Incubates Over 60 Optoelectronic 'Hard Tech' Companies in Five Years, Attracting 2.5 Billion Yuan

    In the five years since it began operations, the Hangzhou Institute of Optics and Mechanics has incubated more than 60 optoelectronic 'hard tech' companies, over 20 of which have secured follow-on financing, drawing more than 2.5 billion yuan in external capital in total. Its full-chain 'equipment + funding + talent' model, backed by a modular and standardized service system, helps scientists cross the 'valley of death' in technology commercialization. The incubated companies span atmospheric laser remote sensing, gallium oxide single crystals, cold atom clocks and other fields. The operating model was reported by Daily Business News and reposted and endorsed by the Hangzhou Municipal Government and several other government new media platforms.

Jul 25Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry23

    Hangzhou Institute of Optics and Mechanics' 'Proof-of-Concept Center for Advanced Optoelectronic Functional Materials' Selected for Zhejiang's First Batch of 22 Proof-of-Concept Centers

    The 'Proof-of-Concept Center for Advanced Optoelectronic Functional Materials' built by the Hangzhou Institute of Optics and Mechanics has been selected for Zhejiang Province's first batch of 22 proof-of-concept centers. The center has established a public service platform for laser and optical characterization, a shared semiconductor process platform in Fuyang District, and the Russell Advanced Optical Wave Science Center. The characterization platform is equipped with more than 30 instruments for optical, electrical and thermal testing. The center will focus on four major fields: optoelectronic functional materials, semiconductor materials, specialty optical fiber materials, and optoelectronic equipment, advancing proof-of-concept validation and industrialization of research results.

Jul 18Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry16

    People's Daily Front-Page Lead Story Highlights Commercialization Case of the Hangzhou Institute of Optics and Mechanics' Research Results

    A front-page lead feature in People's Daily spotlights Hangzhou Fujiagallium Co., Ltd., a company incubated by the Hangzhou Institute of Optics and Mechanics, as a model case of the institute's role in industrializing scientific and technological achievements. The gallium oxide single crystal developed by Fujiagallium grows at a high temperature of 1800 degrees Celsius and targets high-power power electronic devices and ultraviolet detectors. The Hangzhou Institute of Optics and Mechanics' proof-of-concept center opened up equipment such as Hall effect test systems and X-ray diffractometers, saving one to two years in industrialization.

Jul 10Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry20

    Tuozhi Optoelectronics Wins Its '630 Delivery Assurance' Battle, Boosting Monthly Delivery Capacity by 155%

    Hangzhou Tuozhi Optoelectronics Technology Co., Ltd. concluded its 49-day '630 Delivery Assurance' campaign at 12:00 on June 30, exceeding customer delivery targets. During the campaign, equipment utilization in the inspection team rose 80%, overall capacity doubled within three weeks, monthly delivery capacity increased 155%, and production efficiency improved 30%. The company focuses on core optical functional components in the upstream laser industry and is the first company in China to achieve scaled supply of photo-thermo-refractive glass and volume grating devices.

Jun 24Tue
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry17

    Hangzhou Institute of Optics and Mechanics Wins Three Awards at the 2024 Zhejiang Province Industry-University-Research Cooperation Innovation and Promotion Awards

    At the 5th Qianjiang Tide Science and Technology Innovation Forum, the Hangzhou Institute of Optics and Mechanics received the 2024 Zhejiang Province 'Industry-University-Research Cooperation Promotion Award,' while Director Qi Hongji won the 'Industry-University-Research Cooperation Innovator Award.' Its incubated company Hangzhou Yinhu Laser Technology Co., Ltd., in collaboration with Zhejiang University of Technology and Zhejiang Huamao Technology Co., Ltd., won the 'Industry-University-Research Cooperation Innovation Achievement Award' for its automated diamond laser slicing machine. The forum was held on June 22 at the Zhejiang University Hangzhou International Science and Technology Innovation Center.

Jun 23Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry59

    Russell Center and Partners Report in Optica: Hollow-Core Photonic Crystal Fiber Enables Flexible Delivery of Near-Watt, Hundred-Femtosecond 2.8 µm Mid-Infrared Pulses

    The Russell Advanced Lightwave Science Center at the Hangzhou Institute of Optics and Mechanics, together with the Hangzhou Institute for Advanced Study of UCAS, the Shanghai Institute of Optics and Mechanics, and IRFIBER (Ningbo) Optoelectronics Co., Ltd., published a paper in Optica on delivering near-watt, hundred-femtosecond mid-infrared pulses in the 2.8 µm band through a 5 m-long hollow-core photonic crystal fiber with a single-core, eight-ring structure. After evacuation, overall efficiency exceeded 70%, the output was a near-diffraction-limited Gaussian spot, and the fundamental-mode energy fraction exceeded 95%.

    Why we recommend it: The paper gives efficiency, pulse duration, peak power and fundamental-mode fraction, and compares the fiber with free-space optics and solid-core fluoride fiber, making it easier to judge the applicability of hollow-core fiber to mid-infrared ultrafast delivery.

Jun 12Thu
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry42

    Fujia Gallium Sets New Performance Record for Gallium Oxide MOCVD Homoepitaxial Wafers

    Fujia Gallium has set a new performance record for its gallium oxide MOCVD homoepitaxial wafers. Tests by the National Institute of Metrology, China, showed that homoepitaxial wafers with a thickness exceeding 10 μm achieved a carrier concentration of 4.2E16 cm-3 and a mobility of 181.6 cm2/V·s, up further from 172.7 cm2/V·s in March 2025. The corresponding standardized epitaxial products were launched simultaneously in June 2025, helping accelerate the industrialization of gallium oxide high-voltage, high-power power electronic devices.

May 21Wed
  1. Google Blog · XR/AROptics and AI53

    Google Shows How Android XR Glasses Bring Gemini to Eyewear and Headsets

    At I/O, Google demonstrated glasses running Android XR. The glasses feature a camera, microphone and speaker, work with a phone, and offer an optional in-lens display for private information, along with a live language translation demo. Google announced partnerships with Gentle Monster and Warby Parker to build Android XR glasses, and is co-developing the glasses' software and reference hardware platform with Samsung. Developers will begin building for the platform later this year.

Apr 28Mon
  1. Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industry13

    Yongxing Middle School Students Visit Hangzhou Institute of Optics for Social Practice

    On April 27, six students from Yongxing Middle School visited the Hangzhou Institute of Optics, Mechanics and Physics for a social practice program. They toured the exhibition hall to see physical optoelectronic achievements, observed the research environment and advanced equipment at the Luosu Center, and learned about next-generation optical fibers with ultra-low loss and ultra-wide bandwidth. Teacher Luo Zhuozhao gave a popular science class on "Optical Fiber Communications," covering the development of communications, 5G, transoceanic communication networks, quantum optical fiber communications and new optical fiber materials, and answered students' questions during the Q&A session.

Mar 7Fri
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry42

    Fujia Gallium Achieves Breakthrough in MOCVD Homoepitaxial Film Technology on Gallium Oxide, with Thickness Exceeding 10 Micrometers

    Fujia Gallium has grown MOCVD homoepitaxial films exceeding 10 micrometers in thickness on gallium oxide single-crystal substrates. Testing by the National Institute of Metrology, China, showed a background carrier concentration as low as 3.6E15 cm-3 and mobility of 172.7 cm2/V·s, reaching an internationally leading level. Standardized products are scheduled to launch in April 2025, providing key material support for high-voltage platforms in new energy vehicles and flexible power transmission devices for smart grids, and helping to advance the industrialization of vertical high-voltage power electronic devices rated above 3300V.

Feb 19Wed
  1. Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industry43

    Fujia Gallium's 4-Inch VB-Method Gallium Oxide Substrates Reach Internationally Advanced Performance, with Crystal Growth Equipment Launched Simultaneously

    Fujia Gallium has achieved a breakthrough in 4-inch gallium oxide crystal growth using the VB method. The single-crystal substrates show an XRD full width at half maximum better than 50 arcsec and are twin-free, with performance reaching an internationally advanced level. Substrate surface roughness is below 0.2 nm, bow is 1.8 μm, warp is 9.3 μm, and total thickness variation is below 10.0 μm, meeting the processing specifications for 4-inch silicon carbide substrates. The company is also launching its proprietary VB-method gallium oxide crystal growth equipment and supporting process package.