Title

60 W Yellow Laser at 561 nm by Intracavity Frequency Doubling of a Diode-Pumped Q-Switched Nd: YAG Laser

Document Type

Article

Publication Date

2-1-2012

Publication Title

Optics Communications

DOI

10.1016/j.optcom.2011.09.052

Abstract

A high-power yellow laser was achieved by intracavity frequency doubling of a diode-pumped Nd:YAG rod laser. A solid etalon was inserted into the resonator to implement efficient operation of the low-gain single line at 1123 nm transition. By using a LBO crystal inside the cavity as the frequency doubler, the maximum output power of the 561 nm yellow laser was obtained to be as high as 60.3 W with a pulse repetition frequency of 6 kHz, corresponding to an optical-to-optical conversion efficiency of about 6.1%. The output power fluctuation of the yellow laser was measured to be better than 3% in half an hour.

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