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Chinese Academy of Sciences News
DUV Lasers Made with Nonlinear Crystals Enhance Lithography Performance
BEIJING, April 25, 2024 — Argon-fluoride (ArF) excimer lasers — deep ultraviolet (DUV) lasers emitting light with a wavelength of 193 nm — are used in lithography to create precise patterns. However, the limited coherence of conventional ArF excimer lasers hinders their effectiveness in applications requiring high-resolution patterns, like interference lithography.
Whole-Brain Big Data Processing Enables VR via Optogenetic Control
SHANGHAI, March 28, 2024 — The massive amount of data processing required to image whole-brain activity makes real-time analysis and closed-loop research into neuronal dynamics extremely challenging. Yet, real-time analysis of large-scale brain imaging is crucial to...
High-speed Raman Method Detects Micro- and Nanoplastics
CHANGCHUN, China, Aug. 25, 2023 — Raman spectroscopy is a useful tool for identifying microplastics — plastic particles smaller than 5 mm — although conventional point confocal Raman methods are limited to single-point detection, limiting the detection speed. A line-scan...
Optical Tweezer System Conducts High-Accuracy Cell Screening
QINGDAO, China, Dec. 29, 2022 — Researchers from the Single-Cell Center of the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences have proposed an optical tweezer-assisted pool-screening and single-cell isolation (OPSI) system that...
Imaging Technique Enables Gas Leak Tracking in 3D
HEFEI, China, July 7, 2022 — Researchers at the Anhui Institute of Optics and Fine Mechanics at the Chinese Academy of Sciences have developed a method to create a 3D image of a leaked gas cloud. The image provides detailed information about the leak, such as its location,...
Topological Cavity Widens Functionality of Surface-Emitting Lasers
BEIJING, May 10, 2022 — Researchers at the Institute of Physics of the Chinese Academy of Sciences have incorporated a topological cavity into the design of a surface-emitting laser to create a device that addresses the challenge of simultaneously increasing output power...
Team Looks to the LWIR to Fabricate Achromatic Metalens
CHANGCHUN, China, May 9, 2022 — Researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences demonstrated a broadband achromatic metalens with a numerical aperture of 0.32. The demonstration stemmed from a general method,...
High-Precision Dual-Comb Sensing Method Keeps Compact Footprint
CHANGCHUN, China, May 5, 2022 — Dual-comb photothermal spectroscopy (DC-PTS), demonstrated for the first time by a joint team from the Chinese University of Hong Kong and the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), could provide a highly sensitive...
Research Pinpoints Benefits of Varying Size and Shape of Classical VCSELs
BEIJING, Jan. 12, 2022 — A study conducted by the Bimberg Chinese-German Center for Green Photonics, Changchun Institute of Optics, Fine Mechanics, and Physics of the Chinese Academy of Sciences reported on the progress on multi-aperture VCSELs. The study showed that the...
Ultrasensitive Solar-Blind Detectors Weather Harsh Environments
HEFEI, China, Nov. 29, 2021 — A solar-blind ultraviolet photodetector (SBPD) designed for harsh environments uses amorphous gallium oxide (AGO) as a materials substitute for the traditional silicon substrate. Gallium oxide features a wide bandgap and high heat resistance, and it...
The Role of Cavitation in Glass Fracturing
BEIJING, April 2, 2021 — Wang Wei Hua’s group at the Institute of Physics of the Chinese Academy of Sciences investigated the role of cavitation in the fracture behavior of different types of glass in a study that could prove useful in developing stronger versions of...
Source Mask Optimization Fine-tunes Extreme UV Lithography
SHANGHAI, March 4, 2021 — Researchers from the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences proposed a source mask optimization (SMO) technique for extreme-ultraviolet lithography (EUVL) based on a thick mask model and a social learning...
Continuous, Stable Lasing Achieved with Perovskite Laser
FUKUOKA, Japan, Sept. 8, 2020 — A team of researchers from Kyushu University in Japan and Changchun Institute of Applied Chemistry in China has demonstrated stable, continuous lasing at room temperature for over an hour using low-cost perovskites. Perovskites have been an...
Diabolical Points Could Provide Control of Quantum Emitters
BEIJING, Jan. 22, 2020 — Researchers from the Chinese Academy of Sciences and the University of Glasglow have discovered a way to potentially provide control over the emission of individual photons for quantum computing. Active emitters in photonic structures are essential...
Ghost Imaging Speeds Up Superresolution Microscopy
SHANGHAI, Jan. 6, 2020 — Scientists from the Chinese Academy of Sciences have developed a new imaging technique that produces nm-scale resolution using significantly fewer images than traditional nanoscopy techniques. The scientists used ghost imaging to enhance the imaging...
Commemorating 30 Years of Optical Vortices
CHANGCHUN, China, Nov. 6, 2019 — Thirty years ago, Pierre Coullet et al. proposed that a special optical field exists in laser cavities bearing some similarity with the superfluid vortex. This observation was the first indicator that optical vortices could exist. Since then,...
New BPV System Flaunts More Power, Longer Life
BEIJING, Oct. 14, 2019 — A new biophotovoltaics (BPV) system developed by researchers at the Chinese Academy of Sciences’ Institute of Microbiology has proven more powerful than any similar system. It also touts the greatest longevity. The new system is based on a...
Single-Molecule Localization Microscopy Approach Improves Precision
BEIJING, Sept. 17, 2019 — An interferometric, single-molecule localization method for superresolution fluorescence microscopy, developed by scientists at the Institute of Biophysics of the Chinese Academy of Sciences, could significantly improve localization precision...
Structural Color Soft Robot Interacts with Environment
SHENZHEN, China, Aug. 8, 2019 — A structural color soft robot with both color-changing and locomotion capabilities has been developed by a research team led by professor Xuemin Du from the Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences. Inspired by the...
Private Lunar Telescope to Offer Views of Earth and Space Online
SILICON VALLEY, Calif., May 29, 2013 — The first privately sponsored telescope, set to launch to the moon in 2015, will pioneer an era of global space research, enabling the public to access images from the surface of the moon on the Internet.
Carbon Nanotubes Create More Efficient IR Detector
BEIJING, May 24, 2012 — Carbon nanotubes seem to be useful for just about every conceivable application. Their newest purpose is to create highly sensitive uncooled photovoltaic infrared detectors that can be used for industrial, manufacturing, communications and military...
Simulations Shed Light on Dark Solitons
XI’AN, China, March 20, 2012 — The occurrence of multiple solitary optical waves, called dark photovoltaic spatial solitons, has now been described in a theoretical model using the beam propagation method.
Asylum Research Offers AFM Class
SANTA BARBARA, Calif., Sept. 28, 2010 — Asylum Research, the technology leader in scanning probe/atomic force microscopy (AFM/SPM) announces its AFM in Biology class to be held Nov. 3-5, 2010, in Santa Barbara. The class is open to all AFM users who want to increase their knowledge of the...
Light Kills Germs
Urbana-Champaign, Ill. Jan. 21, 2010 - In the battle against bacteria, researchers at the University of Illinois are using visible light to destroy harmful bacteria and viruses, even in the dark. Based upon a new ca...
Efficient Tandem White LEDs
COLLEGE PARK, Md, April 8, 2009 – A new type of LED made from cheap, plastic-like organic materials and designed with a simplified tandem structure can produce twice the light of a normal LED, scientists at the Chinese Academy of Sciences reported.
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April 2024
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