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Diode-pumped Nd : YVO4 and Nd : KGd(WO4)(2) 1.3 mu m lasers passively Q-switched with PbS-doped glass

Savitski, Vasili and Malyarevich, A M and Yumashev, K V and Sinclair, B D and Lipovskii, A A (2003) Diode-pumped Nd : YVO4 and Nd : KGd(WO4)(2) 1.3 mu m lasers passively Q-switched with PbS-doped glass. Applied Physics B: Lasers and Optics, 76 (3). pp. 253-256. ISSN 0946-2171

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Abstract

Diode-pumped Nd:YVO4 and Nd:KGW lasers passively Q-switched with PbS-quantum dot-doped phosphate glass were demonstrated. For the Nd:YVO4 laser, pulses 110 ns in duration with a 13% Q-switching efficiency were obtained. The absorption recovery time of the PbS-doped glass was measured to be 27 +/- 4 ps. Some recommendations for more efficient use of PbS-doped glasses for Q-switching of diode-pumped lasers are suggested on the basis of our analysis.