Results 21 to 30 of about 2,279,860 (296)
Molecules, 2021 Fiber lasers that operate at 1.7 μm have important applications in many fields, such as biological imaging, medical treatment, etc. Fiber gas Raman lasers (FGRLs) based on gas stimulated Raman scattering (SRS) in hollow-core photonic crystal fibers (HC ...
Wenxi Pei +4 more
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Brillouin lasers in a graphene microresonator for multispecies and individual gas molecule detection
APL Photonics, 2023 Optical microcavities offer a promising platform for highly efficient light–matter interactions. Recently, the combination of microresonators and 2D materials in nanoscale has further enriched the optoelectronics of the microcavity geometries, spurring ...
Ning An +13 more
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High sensitivity gas analysis by mid and near infrared diode lasers
, 2022 S.1-16 : Ill., Lit.When first tunable diode lasers were developed in the mid-1960s they found immediate application as much needed tunable sources for high-resolution laser absorption spectroscopy commonly referred to as TDLAS (tunable diode laser ...
Werle, P.
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Stability Criteria for Spontaneously Pulsing Gas Lasers [PDF]
, 2009 Low-threshold spontaneous pulsations are known to occur in the output beams of certain high-gain gas lasers, and good agreement between the experimental observations and numerical models has been achieved.
Chenkosol, Pitak, Casperson, Lee W.
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Welding with high power fiber lasers - A preliminary study. [PDF]
, 2007 The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size.
Costa, A. +5 more
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Supermode Si/III-V Lasers and Circular Bragg Lasers [PDF]
, 2010 Semiconductor lasers are arguably the most important component in optical communications. This thesis investigates two types of semiconductor lasers that are useful in integrated optics.
Sun, Xiankai
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Development of an industrial CO2 laser with more than 40 kW output power. Recent results
, 2022 S.20-24Results of power scaling experiments on high power CO2 lasers for industrial applications are given. RF-excited systems with fast axial gas flow (FAF) and fast gas flow in an annular discharge gap (coaxial flow) are compared.
Wolf, N. +11 more
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Wide-bandwidth mode-hop-free tuning of extended-cavity GaN diode lasers [PDF]
, 2005 We present a new approach for extended-cavity diode-laser tuning to achieve wide mode-hop-free tuning ranges. By using a multiple piezoactuated grating mount, the cavity length and grating angle in the laser can be adjusted independently, allowing mode ...
Burns, I.S., Kaminski, C.F., Hult, J.
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Photoacoustics, 2023 In this paper, we propose and experimentally demonstrate a symmetric multi-resonant cavity photoacoustic cell (MR-PAC) with dual microphones detection, based on multi-resonator photoacoustic spectroscopy (MR-PAS). The designed photoacoustic cell contains
Tailin Li +6 more
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Scaling of high-repetition-rate Q-switched CO2 lasers for industrial applications
, 2022 S.79-83 : Abb.,Lit.By insertion of a fast mechanical Q-switch into the resonator, continuous discharge CO2 lasers can yield high peak power pulses at multi-kHz repetition rate.
Schmid, W.E., Märten, O., Fuß, W.
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