Intracavity KTP-based OPO pumped by a dual-loss modulated, simultaneously Q-switched and mode-locked Nd:GGG laser | Zendy

Hongwei Chu | Zendy; Shengzhi Zhao | Zendy; Kejian Yang | Zendy; Jia Zhao | Zendy; Yufei Li | Zendy; Dechun Li | Zendy; Guiqiu Li | Zendy; Tao Li | Zendy; Wenchao Qiao | Zendy

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Intracavity KTP-based OPO pumped by a dual-loss modulated, simultaneously Q-switched and mode-locked Nd:GGG laser

Author(s) -

Hongwei Chu,

Shengzhi Zhao,

Kejian Yang,

Jia Zhao,

Yufei Li,

Dechun Li,

Guiqiu Li,

Tao Li,

Wenchao Qiao

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.026925

Subject(s) - optics , materials science , optical parametric oscillator , laser , pulse duration , envelope (radar) , q switching , mode locking , wavelength , pulse width modulation , saturable absorption , power (physics) , physics , fiber laser , telecommunications , radar , computer science , quantum mechanics

An intracavity KTiOPO(4) (KTP) optical parametric oscillator (OPO) pumped by a simultaneously Q-switched and mode-locked (QML) Nd:Gd(3)Ga(5)O(12) (Nd:GGG) laser with an acousto-optic modulator (AOM) and a Cr(4+):YAG saturable absorber is presented. A minimum mode-locking pulse duration underneath the Q-switched envelope was evaluated to be about 290 ps. A maximum QML output power of 82 mW at the signal wavelength of 1570 nm was achieved, corresponding to a maximum mode-locked pulse energy of about 5.12 μJ. The M(2) values were measured to be about 1.3 and 1.5 for tangential and sagittal directions using knife-edge technique.

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