Thermal performance in high power SHG characterized by phase-matched calorimetry | Zendy

Hwan Hong Lim | Zendy; Toshio Katagai | Zendy; Sunao Kurimura | Zendy; Takahiro Shimizu | Zendy; Keisuke Noguchi | Zendy; Noriaki Ohmae | Zendy; Norikatsu Mio | Zendy; Ichiro Shoji | Zendy

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Thermal performance in high power SHG characterized by phase-matched calorimetry

Author(s) -

Hwan Hong Lim,

Toshio Katagai,

Sunao Kurimura,

Takahiro Shimizu,

Keisuke Noguchi,

Noriaki Ohmae,

Norikatsu Mio,

Ichiro Shoji

Publication year - 2011

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.19.022588

Subject(s) - materials science , calorimetry , optics , thermal , energy conversion efficiency , crystal (programming language) , optoelectronics , phase (matter) , aperture (computer memory) , saturation (graph theory) , chemistry , physics , mathematics , organic chemistry , combinatorics , meteorology , computer science , acoustics , thermodynamics , programming language

We proposed a method to determine device quality in heat removal. Temperature change depending on SH power was analyzed by fitting with a new model to characterize heat removal performance of SHG modules, named as phase-matched calorimetry (PMC). The thermal disposal performance of SHG devices was improved by combination of metal housing and reduced crystal aperture. With a tight aperture, we demonstrated a 19 W single-pass 532-nm SHG at a conversion efficiency of 26.5% in a 10-mm-long PPMgSLT crystal without saturation.

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