レーザー研究
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
レーザー解説
青色LD励起可視光ファイバレーザーを用いた 高効率UVレーザー光源の開発
藤本 靖中原 正盛Paul BINUN本越 伸二石井 修渡部 棟之山嵜 正明篠崎 勉佐藤 毅矢野森 寛
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2019 年 47 巻 4 号 p. 215-

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We are developing a compact, high-efficiency continuous-wave UV (CW-UV) laser system whose concept is that the CW-UV laser source is only generated by a second harmonic generation (SHG) technique with a visible fiber laser excited by blue laser diodes (primary visible fiber laser) as a fundamental laser beam. We used a Pr-doped double-clad structured single-mode waterproof fluoroaluminate glass fiber as the laser medium of the primary visible fiber laser. Such a CW-UV laser source is expected to have higher conversion efficiency than previous CW-UV laser systems because they use a third harmonic generation (THG) or fourth harmonic generation (FHG) technique with a doubleconversion process. We are aiming to develop 2-W CW-UV laser systems at 260 and 320 nm in this project.
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© 2019 一般社団法人 レーザー学会
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