Sub-Nanosecond Yb-Doped Fiber Amplifier and Its Second Harmonic Generation Characteristics

Ziwei, 王子薇 Wang; Songtao, 杜松涛 Du; Jing, 何晶 He; Zhaokun, 王兆坤 Wang; Jun, 周军 Zhou; Yunrong, 魏运荣 Wei; Junqing, 孟俊清 Meng; Xiaojun, 李骁军 Li

doi:10.3788/cjl201340.0802005

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2014

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“…The temperature of KTP crystal was constant, so the influence of temperature was avoided with the frequency doubling efficiency. It is very important that control the temperature with frequencydoubling efficiency [6]. The experimental structure of frequency-doubling is shown in Fig.…”

Section: Experimental Schemementioning

confidence: 99%

Double-Clad Yb-Doped Fiber Laser and its External Cavity Frequency-Doubling

Bao

Wang

et al. 2014

AMM

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A master oscillator power amplifier (MOPA) structured double-clad Yb-doped pulse fiber laser was presented, center wavelength of 1064nm, pulse width adjustable between 53ns-147ns, repetition rate adjustable between 50kHz-200kHz. Through external cavity frequency-doubling with a KTP crystal, the green light visibly of 532nm by fundamental beam of 1064nm was obtained. The highest frequency doubling efficiency was 16.2% when repetition rate of 50kHz and pulse width of 53ns. Relation of fundamental input beam and frequency-doubling output beam were studied through change the pulse parameters of fundamental beam and length of KTP crystal, the influences of fiber laser frequency doubling efficiency were analyzed.

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Section: Experimental Schemementioning

confidence: 99%