A 36 W intracavity-frequency-doubled diode-side-pumped Nd:YAG/KTP continuous wave green laser | Zendy

Zhang Yu-Ping | Zendy; Huiyun Zhang | Zendy; He Zhihong | Zendy; Wang Peng | Zendy; Li Xi-Fu | Zendy; Yao Jian-Quan | Zendy

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A 36 W intracavity-frequency-doubled diode-side-pumped Nd:YAG/KTP continuous wave green laser

Author(s) -

Zhang Yu-Ping,

Huiyun Zhang,

He Zhihong,

Wang Peng,

Li Xi-Fu,

Yao Jian-Quan

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.4647

Subject(s) - optics , resonator , materials science , laser , continuous wave , energy conversion efficiency , diode , laser diode , laser power scaling , optoelectronics , physics

High-power and high efficiency continuous wave green laser has been realized by optimizing the plane-concave-plane resonator of three mirrors in an laser diode side-pumped configuration and KTP of Ⅱ-type phase-matching for frequency doubling. A maximum of 36.6 W continuous wave 532 nm green laser is obtained at pumping current of 36 A, corresponding to optical-to-optical conversion efficiency of 8.71. The power stability of the laser is measured at output power of 33 W. During a half hour measurement time, the output power instability is 0.27%. The beam transfer factor is less than 8 measured by knife-edge method at output power of 33 W. Astigmatism compensation, misalignment sensitivity and mode profile inside resonator of three mirror folded resonator are also numerically simulated under high pump power.

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