Results 11 to 20 of about 86,748 (306)
Q switching by self-focusing [PDF]
Optics Letters, 1985 A novel passive technique for obtaining short-laser-pulse emission is presented. A cell with a high-second-order refractive-index liquid is included in an unstable laser cavity. The external self-focusing introduced by the cell at higher optical intensities reduces the diffraction losses, producing modulation of the gain and Q switching of the cavity ...
M C, Marconi +2 more
openaire +2 more sources
2D Saturable Absorbers for Fibre Lasers [PDF]
, 2015 © 2015.Two-dimensional (2D) nanomaterials are an emergent and promising platform for future photonic and optoelectronic applications. Here, we review recent progress demonstrating the application of 2D nanomaterials as versatile, wideband saturable ...
Kelleher, E, Woodward, R
core +2 more sources
Metrology and Measurement Systems, 2020 Generation of two identical ns laser pulses spaced by a single s time interval by means of sequential switching of the output mirror transmittance in a diode-pumped Nd:YAG laser is reported, to our knowledge, for the first time. The theoretical study of
Marek Skórczakowski +2 more
doaj +1 more source
Self-Pulsating Semiconductor Lasers: Theory and Experiment [PDF]
, 1999 We report detailed measurements of the pump-current dependency of the self-pulsating frequency of semiconductor CD lasers. A distinct kink in this dependence is found and explained using rate-equation model. The kink denotes a transition between a region
Elsasser, W. +9 more
core +6 more sources
A STUDY OF SOLID STATE LASER PASSIVE OPTICAL Q-SWITCHING OPERATION REGIME (Part 1) [PDF]
INCAS Bulletin, 2009 This paper is the first of a four series treating, theoretically with experimental comparison, the issue of solid state laser passive optical Q-switching regime.
Ion LĂNCRĂNJAN
doaj +1 more source
High average power 1314 nm Nd:YLF laser, passively Q-switched with V:YAG [PDF]
, 2013 A 1314 nm Nd:YLF laser was designed and operated both CW and passively Q-switched. Maximum CW output of 10.4 W resulted from 45.2 W of incident pump power. Passive Q-switching was obtained by inserting a V:YAG saturable absorber in the cavity.
Bollig, C. +8 more
core +1 more source
A Novel α-BaTeMo2O9 Acousto-Optic Switch for Generating Stable 639 nm Pulsed Laser
Photonics, 2023 In this paper, an acousto-optic (AO) Q-switch based on α-BaTeMo2O9 (α-BTM) crystal is designed and further applied to generate a laser pulse at 639 nm for the first time.
Ke Zhang +8 more
doaj +1 more source
Applied Sciences, 2020 In this paper, we demonstrate an active switching of extremely high Q-factor Fano resonances using vanadium oxide (VO2)-implanted THz asymmetric double C-shaped metamaterial (MM) structures.
Jing Ma +4 more
doaj +1 more source
Watt-level high-stability all-solid-state passively Q-switched laser based on germanene nanosheets
Frontiers in Physics, 2022 Excellent Q-switching operations modulated by new two-dimensional (2D) saturable absorber (SA) materials with stable performance is a hot topic in all-solid-state pulsed laser research.
Baohao Xu +6 more
doaj +1 more source
High Power Self-Q-Switching in Nd:LuAG Laser
IEEE Photonics Journal, 2018 A compact pulsed Nd:LuAG laser at 1064 nm based on the self-Q-switching technique is reported, having the output power as high as 6.61 W at the incident pump power of 21.32 W, corresponding to the optical conversion efficiency of ...
Guangju Zhang +3 more
doaj +1 more source