TitleFemtosecond fiber laser at 780 nm for two-photon autofluorescence imaging
Other TitlesFemtosecond fiber laser at 780 nm for two-photon autofluorescence imaging
Authors杨琬
吴丹磊
吴润龙
刘关玉
陈冰影
冯丽爽
张志刚
王爱民
AffiliationState Key Laboratory of Advanced Optical Communication System and Networks, School of Electronics Engineering and Computer Science, Peking University
Key Laboratory of Precision Opto-Mechatronics Technology, Ministry of Education, School of Instrumentation Science & Optoelectronics Engineering, Beihang University
Issue Date2019
PublisherChinese Optics Letters
AbstractWe present an Er-doped fiber(Er:fiber)-based femtosecond laser at 780 nm with 256 MHz repetition rate, 191 fs pulse duration, and over 1 W average power. Apart from the careful third-order dispersion management, we introduce moderate self-phase modulation to broaden the output spectrum of the Er:fiber amplifier and achieve 193 fs pulse duration and 2.43 W average power. Over 40% frequency doubling efficiency is obtained by a periodically poled lithium niobate crystal. Delivering through a hollow-core photonic bandgap fiber, this robust laser becomes an ideal and convenient light source for two-photon autofluorescence imaging.
We present an Er-doped fiber(Er:fiber)-based femtosecond laser at 780 nm with 256 MHz repetition rate, 191 fs pulse duration, and over 1 W average power. Apart from the careful third-order dispersion management, we introduce moderate self-phase modulation to broaden the output spectrum of the Er:fiber amplifier and achieve 193 fs pulse duration and 2.43 W average power. Over 40% frequency doubling efficiency is obtained by a periodically poled lithium niobate crystal. Delivering through a hollow-core photonic bandgap fiber, this robust laser becomes an ideal and convenient light source for two-photon autofluorescence imaging.
URIhttp://hdl.handle.net/20.500.11897/565377
ISSN1671-7694
Appears in Collections:信息科学技术学院
区域光纤通信网与新型光通信系统国家重点实验室

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