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second harmonic generation News
Pump Laser Modules Show Promise for Ophthalmologic Treatments
BERLIN, Nov. 11, 2022 — Researchers at the Berlin-based Ferdinand-Braun-Institut (FBH) developed a pump laser module for ophthalmologic treatments. The module offers a cost-effective pump source for laser systems that are used to treat retinal detachments. The miniaturized...
Researchers Boost Coupling Efficiency of Lithium Niobate Devices
GUANGZHOU, China, July 6, 2022 — Researchers at Sun Yat-sen University and Nanjing University designed and fabricated a thin-film lithium niobate (TFLN) edge coupler that will allow TFLN-based periodically poled lithium niobate (PPLN) devices to achieve efficient, ultrabroadband...
Metalens Cuts Complexities for Semiconductor Manufacturing
HOUSTON, May 9, 2022 — Rice University researchers have developed a metalens that transforms incoming longwave UV light (UVA) into a focused output of vacuum UV (VUV) radiation. VUV is used in semiconductor manufacturing, photochemistry, and materials science....
Tunable Laser Light Sources Advance Nanophotonics Research
Sep 28, 2018 — A considerable part of contemporary photonics research that investigates the interaction of light with nanoscale objects — nanophotonics — is motivated by the commercial potential of real-world devices. A vast number of experimental...
Nonlinear Microscopy Measures Effects of Laser Skin Surgery
FLORENCE, Italy, Nov. 19, 2014 — The effects of laser-based skin-tightening plastic surgery can be obvious to the naked eye, but harder to examine below the surface and at the microscale without a biopsy. A team from the University of Florence and other Italian institutions has...
Light-Based Approach Pushes PDT Deeper into Body Tissue
BUFFALO, N.Y., May 16, 2014 — Photodynamic therapy (PDT) for years has proven to be an effective cancer treatment, although only on easily accessible tumors such as in oral and skin cancers. A new technique — developed by a team from the University at Buffalo in...
Laser Boosts Blu-ray Disc Storage to 1TB
TOKYO & SENDAI, Japan, July 27, 2010 — Sony Corp. and Tohoku University have developed an ultrafast blue-violet (405 nm) semiconductor laser with high-intensity optical pulses capable of using two-photon absorption. The laser's 100-W output is more than 100 times higher than that of...
Scanning Light Microscopy Uses Nonlinear Properties of KNbO3 Nanowires
Sep 1, 2007 — Efficient second harmonic generation and wave mixing make potassium niobate (KNbO3) nanowires ideal sources of tunable, coherent light and instruments for subwavelength microscopy, according to Peidong Yang and his group from the University of...
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April 2024
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