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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47492

Title: Up-conversion blue laser by intracavity frequency self-doubling of periodically poled lithium tantalate parametric oscillator
Authors: A.-H. Kung
C.-M. Lai
I.-N. Hu
Y.-Y. Lai
Z.-X.Huang
L.-H. Peng
A. Boudrioua
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2010-01
Issue Date: 2018-07-26T07:49:40Z
Publisher: Optics Letters
Abstract: Abstract: We report a design for upconversion 435 nm blue lasers based on simultaneously fulfilling the nonlinear processes of optical parametric oscillation (OPO) and second-harmonic generation (SHG) in a 7.9 mum periodically poled lithium tantalate (PPLT). The uncoated 15-mm-long PPLT device exhibits a low threshold of 150 mW and a differential slope efficiency of 22.6%, rendering 56 mW blue generation when pumped by a pulsed 532 nm green laser with an average power rating of 400 mW. These observations were attributed to a quasi-phase-matching (QPM) structural design with a 75% domain duty cycle to ensure the concurrence of frequency doubling with the first-order QPM-OPO PPLT device via the second-order QPM-SHG process.
Relation: 35(2) pp.160-162
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47492
Appears in Collections:[光電科學研究所] 期刊論文

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