Thermal characteristics of second harmonic generation by phase matched calorimetry

被引：5

作者：

Lim, Hwan Hong ^{[1
]}

Kurimura, Sunao ^{[1
]}

Noguchi, Keisuke ^{[2
]}

Shoji, Ichiro ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[2] Chuo Univ, Dept Elect Elect & Commun Engn, Bunkyo Ku, Tokyo 1128551, Japan

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 15期

关键词：

CONTINUOUS-WAVE; TEMPERATURE;

D O I：

10.1364/OE.22.018268

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyze a solution of the heat equation for second harmonic generation (SHG) with a focused Gaussian beam and simulate the temperature rise in SHG materials as a function of the second harmonic power and the focusing conditions. We also propose a quantitative value of the heat removal performance of SHG devices, referred to as the effective heat capacity C-alpha in phase matched calorimetry. We demonstrate the inverse relation between C-alpha and the focusing parameter xi, and propose the universal quantity of the product of C-alpha and xi for characterizing the thermal property of SHG devices. Finally, we discuss the strategy to manage thermal dephasing in SHG using the results from simulations. (C) 2014 Optical Society of America

引用

页码：18268 / 18277

页数：10

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