Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane

吕军华; 李光明; 刘均海; 张树君; 陈焕矗; 蒋民华; 邵宗书

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Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane

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The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction(θ=66.3°,Ф=134.4°)was compared with the crystal cut in the direction of(θ=90°,Ф=46°).Results show that the former has a higher second-harmonic conversion efficiency than the latter.Using Ti:sapphire laser as pumping source,a maximum of 11.3mW of green light has been obtained with an incident power of 520mW.This corresponds to an optical-optical conversion efficiency of 2.2%.Laser threshold for self-frequency doubling operation is measured to be 1 mW.To our knowledge,this is the lowest threshold achieved so far.

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《中国物理快报：英文版》 |1999年第9期|P.651-652|共2页
作者
吕军华; 李光明; 刘均海; 张树君; 陈焕矗; 蒋民华; 邵宗书;
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作者单位

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

National Key Laboratory of Crystal Materials Shandong University Jinan 250100;

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原文格式 PDF
正文语种 chi
中图分类光电子技术、激光技术;
关键词
Nd:; pumping; Crystal;

Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane

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