Results 21 to 30 of about 2,037,224 (301)
Generation of widely tunable picosecond pulses with large SMSR by externally injecting a gain-switched dual laser source [PDF]
, 2004 The authors demonstrate a procedure of generating picosecond optical pulses that are tunable over a wide wavelength range (65 nm) and have very high spectral purity side-mode suppression ratio [(SMSR)>60 dB].
Anandarajah, Prince M. +2 more
core +2 more sources
IEEE Photonics Journal, 2013 A novel dual-wavelength actively Q-switched laser by a cascaded electrooptic periodically poled lithium niobate (PPLN) Bragg modulator has been developed. Two PPLN Bragg modulators with grating period Λ1 = 20.3 (EPBM1) and Λ2 = 25.7 μ
Shou-Tai Lin +3 more
doaj +1 more source
Ag/MXene as Saturable Absorber for Tm:Ho Co-Doped Q-Switched Fiber Laser
NanomaterialsQ-switched fiber lasers have become reliable light sources for generating high-energy pulses, which can be passively modulated by saturable absorbers with excellent nonlinear optical properties.
Xiaoli Zhao +4 more
doaj +1 more source
IEEE Photonics Journal, 2016 An electrooptically Q-switched Nd:YLF laser end-pumped by an 880-nm laser diode with high energy and short pulsewidth at 1 kHz is demonstrated. The asymmetry of the focal lengths of thermal lens along the $a$-axis and $c$-axis is observed, and the ...
Zilong Zhang +4 more
doaj +1 more source
High Power Laser Science and Engineering, 2023 A high-energy, alignment-insensitive, injection-seeded Q-switched Ho:yttrium aluminum garnet (YAG) single-frequency laser is developed. Both the slave Q-switched laser and the seed laser are Ho:YAG ring lasers based on a pair of corner cubic reflectors ...
Dong Yan +8 more
doaj +1 more source
Design and realization of a compact and multi-purpose passively Q-switched ND:YAG laser system [PDF]
Journal of Engineering Science and Military Technologies, 2018 In this paper, a passively Q-switched pulsed Nd:YAG laser system is designed and realized for defense applications. Our previously published generalized mathematical model for passively Q-switched lasers is used to help extract the design parameters of ...
Adel Mohamed
doaj +1 more source
, 2001 We theoretically and experimentally analyze Q-switched cladding pumped ytterbium-doped fiber lasers designed for high pulse energies. We compare the extractable energy from two high-energy fiber designs: (1) single- or few-moded low-NA large mode area ...
Alvarez-Chavez, J.A. +7 more
core +1 more source
Power-scaling MEMS Q-switched solid-state lasers
, 2013 Initial steps towards power-scaling solid-state lasers Q-switched by intra-cavity scanning MEMS are reported. Using a micromirror with a low-stress dielectric coating resulted in a x5 increase of the pulse energy with cavity-limited pulse ...
McBrearty, Euan +5 more
core +4 more sources
ASEAN Journal on Science and Technology for Development, 2017 The results in research and development of diode-pumped passively Q-switched Nd:YVO4 lasers are presented with Cr4+:YAG crystal used as an intra-cavity saturable absorber.
Nguyen Trong Nghia +3 more
doaj +1 more source
Layered Ta2NiS5 Q-Switcher for Mid-Infrared Fluoride Fiber Laser
IEEE Photonics Journal, 2021 We have demonstrated the stable Q-switched Er-doped fluoride fiber laser with the help of the few-layered Ta2NiS5 in the mid-infrared spectral range. We fabricated the mid-infrared saturable absorber mirror (SAM) by depositing the layered Ta2NiS5 on a ...
Qinwen Duan +6 more
doaj +1 more source