Experimental Investigations of Second Harmonic Generation in Germanium-doped Optical Glass Fibers

被引：0
作者：
Wu, Frank [1 ]
机构：
[1] Metrolaser Inc, Irvine, CA 92618 USA
来源：
NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS, DEVICES, AND APPLICATIONS VIII | 2009年 / 7197卷
关键词：
Second Harmonic Generation (SHG); optical fiber; laser; non-linear optics; FREQUENCY-DOUBLING FIBERS; ORGANIZED CHI-(2) GRATINGS; PLANAR WAVE-GUIDES; LIGHT GENERATION; GERMANOSILICATE GLASS; POLING CONDITIONS; FUSED-SILICA; ERASURE; LASER; DELOCALIZATION;
D O I：
10.1117/12.809680
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Experiments were carried out in order to investigate Second Harmonic Generation (SHG) in germanium-doped optical glass fibers, relying on a mode-locked Q-switched neodymium yttrium aluminum garnet (Nd:YAG) laser with high peak power intensity. The preparation or writing conditions for optical fibers were investigated. SHG was observed successfully under a synchronous pump of the fundamental infrared and seeding green lights, with a maximum of 82 mu W from second harmonic generation being observed in the optical fiber from a 60 mW input, corresponding to a conversion efficiency of 0.14%. The pump laser used in the experiments was a Nd: YAG laser, operated Q-switched and mode-locked at 1064 nm. The laser delivered approximately 100 ps mode-locked pulses at a 75.6 MHz repetition rate, modulated by a 2 kHz frequency Q-switched pulse envelope of 260 nanoseconds' duration (Full Width Half Maximum or FWHM).
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页数：11
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