Results 41 to 50 of about 86,750 (278)
Study of self-heated tapered silica microfibers by laser in air [PDF]
EPJ Web of ConferencesWe present measurements of the temperature of optical microfibers self-heated by a cw laser emitting at 1.48 μm. The experimental method we have implemented is simple and enables to perform for the first time to our knowledge spatially distributed ...
Liss Ludivine +10 more
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Instabilities Analysis and Stabilization of a Tm:YLF Laser Emitting at 2.3 µm Under Ti:Sapphire and Laser Diode Direct Pumping [PDF]
EPJ Web of ConferencesPassively Q-switched Tm:YLF lasers at 2.3 µm exhibit intrinsic instabilities. Ti:Sapphire pumping reveals an atypical type-I intermittency, whereas diode pumping shows rich additional spatial dynamics with modal instabilities.
Glasset Matthieu +4 more
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Cavity length independent continuous repetition rate tuning of a self-seeded gain-switched Fabry-Pérot laser [PDF]
, 2007 We propose a novel method that allows continuous repetition rate tuning of a self-seeded gain-switched Fabry-Perot laser without the need for change in cavity length.
Anandarajah, Prince M. +2 more
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Development of a mid-infrared tunable laser for glycomics based on an optical parametric amplifier [PDF]
EPJ Web of ConferencesWe report on a CW-seeded optical parametric amplifier, delivering 2 W in the mid-infrared, tunable, with sub-nanosecond pulses and narrow spectral linewidth. We investigate the conversion efficiency, beam quality, spectral purity, and tunability over the
Danve Marie-Céline Gauthier +5 more
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Radiative heat exchange driven by acoustic modes between two solids at the atomic scale [PDF]
EPJ Web of Conferences, 2023 In the near field (for separation distances smaller than the thermal wavelength, of the order of some microns at ambient temperature), the radiative heat flow between two solids at different temperatures can exceed the blackbody limit by several orders ...
Gómez Viloria Mauricio +4 more
doaj +1 more source
Internal Medicine, 1992 A 20-year-old man presented with generalized acquired anhidrosis and heat intolerance which was confirmed by a sweat test. Other clinical features included severe pain of the extremities and cutaneous angiokeratomas. On electronmicroscopy, granules specific for Fabry's disease were observed in the endothelial cells.
KATO, Haruka +5 more
openaire +3 more sources
New Materials for Short-Pulse Amplifiers
IEEE Photonics Journal, 2011 Laser amplifiers seek high power, efficiency, and short pulse durations. Research laboratories in this field have focused their investigations toward new laser materials that can be efficiently diode pumped, sustain high-power pumping, and have broad ...
Frédéric Druon +2 more
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Journal of the European Optical Society-Rapid Publications, 2023 Mechanical forces play an important role in the behaviour of cells, from differentiation to migration and the development of diseases. Optical tweezers provide a quantitative tool to study these forces and must be combined with other tools, such as phase
Gillant Flavie +5 more
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Ce:LYSO, from scintillator to solid-state lighting as a blue luminescent concentrator
Scientific Reports, 2023 Cerium-doped lutetium-yttrium oxyorthosilicate (Ce:LYSO) is a well-known single crystal scintillator used in medical imaging and security scanners. Recent development of high power UV LED, matching its absorption band, questions the possibility to use Ce:
Lisa Lopez +7 more
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Synthetic exposure with a CMOS camera for multiple exposure speckle imaging of blood flow
Scientific Reports, 2022 Speckle contrast imaging is an established technique to obtain relative blood flow maps over wide fields of view. A major improvement of the method relies on the acquisition of raw speckle images at different exposure times but requires simultaneous ...
M. Chammas, F. Pain
doaj +1 more source