Demonstration of fiber pulsed light source at 1.6μm with adjustable pulse duration 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Demonstration of fiber pulsed light source at 1.6μm with adjustable pulse duration

作者姓名：	冯雪张磊刘小明

作者单位：	Department of Electronic Engineering Tsinghua University，Beijing 100084，Department of Electronic Engineering，Tsinghua University，Beijing 100084，Department of Electronic Engineering，Tsinghua University，Beijing 100084

摘要：	A novel practical 1.66-μm pulse light source with adjustable pulse duration is proposed. A 2.5-km Raman fiber is placed into a ring type Q-switched erbium-doped fiber laser (Q-EDFL), serving as both delay line fiber and Raman gain medium so that in addition to the wavelength shifted to 1.6μm, the pulse duration and the buildup time can be relatively extended. By properly controlling the fall edge of the acousto-optic switch (AOS), the pulse duration of 30-345 ns for～770-Hz repetition frequency with power of 1-1.6 W is achieved.
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