Acousto-optic modulation in diode-pumped solid-state lasers

Jan Karol Jabczynski; Waldemar Zendzian; Jacek Kwiatkowski

doi:10.1117/1.2757148

1 July 2007 Acousto-optic modulation in diode-pumped solid-state lasers

Jan Karol Jabczynski, Waldemar Zendzian, Jacek Kwiatkowski

Author Affiliations +

Optical Engineering, Vol. 46, Issue 7, 074202 (July 2007). https://doi.org/10.1117/1.2757148

Abstract

The main properties of acousto-optic modulators (AOMs) applied in laser technology are presented and discussed. The critical review of application of AOMs in several types of diode-pumped solid-state lasers (DPSSLs) is given. A short description of few DPSSLs developed in our group is presented. The parameters of a simple AO Q-switched Nd:YVO₄ laser (peak power up to 60 kW, pulse duration 5 to 15 ns, repetition rate 10 to 100 kHz, with average power above 5 W) are satisfactory for various applications. The achieved brightness of 10¹⁷ W/m²/sr is comparable to that of the strongest technological Q-switched lasers of kilowatt average power. The main aim of paper is to present novel type of laser with acousto-optic modulation, namely, the AO Q-switched and mode locked (QML) laser. We have designed a 3.69-m-long Z-type cavity with resonance frequency matched to the rf of the AOM. As a gain medium an Nd:YVO₄ crystal end-pumped by a 20-W laser diode was applied. The envelope energy of the QML pulse train was up to 130 μJ with subnanosecond mode-locked pulses of 30-μJ maximum energy.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jan Karol Jabczynski, Waldemar Zendzian, and Jacek Kwiatkowski "Acousto-optic modulation in diode-pumped solid-state lasers," Optical Engineering 46(7), 074202 (1 July 2007). https://doi.org/10.1117/1.2757148

Published: 1 July 2007

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