Results 21 to 30 of about 129,758 (300)
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
doaj +1 more source
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
doaj +1 more source
Ultracold polar molecules near quantum degeneracy [PDF]
, 2008 We report the creation and characterization of a near quantum-degenerate gas of polar $^{40}$K-$^{87}$Rb molecules in their absolute rovibrational ground state. Starting from weakly bound heteronuclear KRb Feshbach molecules, we implement precise control
Aldegunde +43 more
core +1 more source
Construction and performance characteristics of a rapid discharge TEA CO2 laser [PDF]
, 1978 A novel excitation technique is described for molecular gas lasers. A specially constructed electrode configuration is activated by a rapid Marx generator.
Boer, A.G., Ernst, G.J.
core +3 more sources
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
doaj +1 more source
Gas lasers with wave-chaotic resonators
, 2010 Semiclassical multimode laser theory is extended to gas lasers with open two-dimensional resonators of arbitrary shape. The Doppler frequency shift of the linear-gain coefficient leads to an additional linear coupling between the modes, which, however ...
Zaitsev, Oleg
core +2 more sources
Self-compression and catastrophic collapse of photon bullets in vacuum
, 2004 Photon-photon scattering, due to photons interacting with virtual electron-positron pairs, is an intriguing deviation from classical electromagnetism predicted by quantum electrodynamics (QED).
Eliasson, B. +2 more
core +1 more source
Multiplex electric discharge gas laser system [PDF]
, 1987 A multiple pulse electric discharge gas laser system is described in which a plurality of pulsed electric discharge gas lasers are supported in a common housing. Each laser is supplied with excitation pulses from a separate power supply.
Laudenslager, James B. +1 more
core +1 more source
Novel Broadband Amplifier for Mid-Infrared Semiconductor laser and applications in spectroscopy [PDF]
, 2010 An amplifier design for broadband Mid-IR buried-hetero (BH) structure epitaxial laser is presented, and external cavity design based on this amplifier is described.
Deev, Andrei +4 more
core +1 more source
Thermoreflectance Detection of Point Defects Resulting from Focused Ion Beam Milling
Advanced Engineering Materials, EarlyView.Focused ion beam (FIB) milling is a common tool for nanoscale material processing, however irradiation damage, redeposition, and contamination can occur. We use several characterization tools to show FIB‐induced effects beyond 1 mm from the milled area.
Thomas W. Pfeifer +3 more
wiley +1 more source