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efficiency News
Enlightra, DESY Hamburg Develop Improved, Scalable Comb Lasers
RENENS, Switzerland, Jan. 25, 2024 — Laser technology startup Enlightra has collaborated with DESY Hamburg to develop comb lasers that are more stable and efficient by design. The work demonstrated microresonators with programmable synthetic reflection providing tailored injection feedback to the driving laser. The technology is a marked improvement over conventional self-injection locking, and can be produced using standard lithographic production. Comb lasers are sources of multiple colors with equidistant spacing ranging
Atomic Layer Deposition System
CORVALLIS, Ore., May 25, 2023 — According to the U.S. Department of Energy (DOE), a data center can consume up to 50× more energy per square foot of floor space than a typical office building. Data centers account for roughly 2% of all electricity use in the U.S., according...
Photogrammetry Method Measures Wings During Flight
ETTINGEN, Germany, April 25, 2023 — One of the most important goals of the aviation industry is to make aircraft more fuel efficient. To this end, the Fraunhofer Institute of Optronics, System Technologies, and Image Exploitation (Fraunhofer IOSB) is working with Lufthansa Technik to...
Semiconductor Leaders Deploy NVIDIA Computational Lithography
SANTA CLARA, Calif., March 23, 2023 — According to NVIDIA, the computing company’s cuLitho software library for computational lithography is being integrated by leading players in the semiconductor industry. The technology serves to accelerate design and manufacturing of...
Substrate Alternative Increases Perovskite Efficiency
ROCHESTER, N.Y., Feb. 20, 2023 — University of Rochester researchers have found that the use of a metal substrate can boost the photoelectric conversion efficiency of perovskites. Perovskites, a family of crystalline materials, have shown promise as a far less expensive and equally...
Hamamatsu Adopts Siemens’ mPower Digital Software
PLANO, Texas, Dec. 19, 2022 — Hamamatsu Photonics has adopted Siemens’ mPower digital software for the power integrity analysis of its next generation of optical semiconductor devices. Introduced last year, mPower helps users perform quick and accurate signoff analysis of...
Duality Accelerator Names Second Cohort: Week in Brief: 07/01/22
SAN JOSE, Calif., July 1, 2022 — The Open XR Forum’s first specification defining a paradigm for enhanced network management of pluggable coherent optical technology has been approved. The specification, developed through collaboration with global service providers,...
Nanophotonic Scintillators Enhance X-Ray Signal Efficiency by 10x
CAMBRIDGE, Mass., March 4, 2022 — Researchers at MIT have shown that scintillators, materials that emit light when bombarded with high-energy particles or x-rays, can be improved by at least tenfold, and potentially even a hundredfold, by modifying their surface to create nanoscale...
Light Spurs Ion Motion to Up-Power Fuel Cells, Batteries
CAMBRIDGE, Mass., Jan. 18, 2022 — Research from MIT and Kyushu University suggests that light could provide significantly improved performance to fuel cells, lithium batteries, and other devices that rely on the movement of charged atoms. The work introduces and demonstrates a way...
Integrated Device Modulates Light Without Dimming It
NEW YORK, Nov. 29, 2021 — Researchers at Columbia University School of Engineering and Applied Science have developed a device that modulates visible light without dimming it, and in a small footprint with low power consumption. The work holds implications for applications...
NIL Technologies Reports 94% Efficiency in Meta-Optical Lens
COPENHAGEN, Denmark, Oct. 13, 2021 — Optical solutions company NIL Technology (NILT) reports that is has designed, built, and characterized multiple meta-optical element (MOE) lenses with 94% absolute efficiency. The demonstration was done with 940-nm NIR lens, with results being...
Theoretical Advancement Could Enable High-Coherence Fano Lasers
KONGENS LYNGBY, Denmark, Sept. 2, 2021 — Researchers at the Technical University of Denmark (DTU) have shown that a Fano laser has fundamental advantages over other types of microscopic lasers. The researchers demonstrated that the coherence of a Fano laser can be significantly improved,...
ANU Scientists Set New Record with Bifacial Solar Cells
CANBERRA, Australia, Aug. 31, 2021 — Researchers at Australia National University (ANU) have produced a more efficient type of solar cell — a true bifacial solar cell, using laser processing — and have set a world record for power output with bifacial solar cells in the...
Stable Coordination Nanosheets Enable Efficient Light-Energy Conversion
TOKYO, July 20, 2021 — A multi-institutional collaboration has developed coordination nanosheets (CONASHs) that have demonstrated the highest stability under air exposure reported to date, the researchers claimed. The work may find use in optoelectronic applications;...
Thin-Film GaAs Photovoltaic Cell Achieves Record Efficiency
FREIBURG IM BREISGAU, Germany, June 30, 2021 — Researchers at Fraunhofer Institute for Solar Energy Systems ISE have achieved a conversion efficiency of 68.9% for a III-V semiconductor photovoltaic cell based on gallium arsenide (GaAs) exposed to laser light of 858 nm. The mark is reportedly the...
Atomic Lattice Excitation Yields Understanding of Quantum Dots’ Limits
MENLO PARK, Calif., March 29, 2021 — At low energy levels, quantum dots are able to absorb light and convert it to a different color at nearly 100% efficiency. At higher excitation energies required for brighter screens and other technologies, the level of efficiency drops...
Method Draws Near-Perfect Efficiency Out of Spin Hall Effect
POHANG, South Korea, Feb. 23, 2021 — POSTECH and KAIST researchers developed a method for achieving near-unity efficiency of the spin Hall effect of light (SHEL). The collaborators used an artificially designed metasurface capable of transmitting most light of one polarization —...
Sculpted Light Controls Chemical Catalysts
STANFORD, Calif., Jan. 18, 2021 — Material scientists at Stanford University have developed a method to exert control over catalysts using light and advanced fabrication and characterization techniques. The work could be an early step toward more efficient catalysts, new forms of...
SunDensity’s Photonic Smart Coating Technology Takes Top Prize at Luminate NY’s Finals Competition
ROCHESTER, N.Y., Sept. 15, 2020 — SunDensity, a developer of photonic smart coatings (PSC) technology, has earned $1 million in funding as the winner of the third cohort of the Luminate NY Program’s Innovation Finals Competition. All Luminate third-cohort winners, highlighted...
Understanding of Electrolyte Additives Will Improve Dye-Sensitized Solar Cells
PARKVILLE, Australia, Sept. 9, 2020 — An Australian research team has demonstrated that the molecules 4-tert-butylpyridine (tBP) and 1-methyl-benzimidazole (NMBI) play a role of crucial importance, as optimal additives, in maximizing the performance of copper redox meditators. An...
Invest in Photonics to return in October
Jun 9, 2014 — Invest in Photonics, a two-day international business convention focused exclusively on photonics-related venture capital investment, is set to return to Bordeaux, France, on Oct. 9 and 10. The fourth biennial convention brings together industry...
CEOs Sound Off on Global Vision Market
Mar 11, 2014 — Machine vision plays a huge role in industrialization in Europe and the US, and it will increasingly affect automation and other market factors in Asia, according to an executive roundtable organized by Vision 2014 and the VDMA. As manufacturing...
Bandgap Boosts Solar Cell Efficiency with Nanowires
WOBURN, Mass., Dec. 11, 2013 — The average efficiency of standard commercial solar cells has been increased by 0.4 percent, just by replacing the standard surface texture with nanowire technology, Bandgap Engineering Inc. announced this week. The nanowire-enhanced cells, produced...
Dual- and Triple-Band AR Coatings Enhance IR Systems
Nov 1, 2013 — Advanced dual-band coatings improve camera performance in the 3- to 5-µm and 8- to 12-µm spectral regions. Dual-band infrared camera systems allow the 3- to 5-µm and 8- to 12-µm spectral regions to be viewed and compared....
LED Technologies Light Up in Europe
Mar 1, 2012 — Europe is alight with LED developments these days. In every corner of the continent, researchers and companies are pushing the technology toward dazzling new applications and capabilities. The high-brightness LED market is expected to reach $16.2...
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April 2024
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