Characteristics of Solid-State Lasers with Passive Q-Switching by Polymer Saturable Absorbers
DOI:
https://doi.org/10.15407/ujpe56.10.1002Keywords:
-Abstract
The characteristics of miniaturized diode-pumped compact passively Q-switched Nd:YAG and Nd: YVO4 lasers have been studied.
Lasing at a wavelength of 1.064 μm with a pulse repetition rate of up to 25 kHz, a pulse duration of 2–5 ns, an average power of 130 mW, and a pump power of 3.5 W was realized with the use of a polymer Q-switch on the basis of polyurethane doped with the
bis-(4-dimethylaminodithiobenzyl)-nickel dye. Diode-pumped solid-state mini lasers with passive Q-switching by sandwich-type
modulators are efficient compact sources of short powerful light pulses with a high optical quality of the beam.
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