Compact and Tunable Mid-IR Light Source Based on a Dual-Wavelength Fiber Laser

A compact, tunable mid-IR difference-frequency generation (DFG) light source based on a dual-wavelength fiber laser and a 5mol% MgO-doped periodically poled lithium niobate (MgO:PPLN) crystal is developed and evaluated. An output power of 233 mu W is achieved with a conversion efficiency of 0.1%/W....

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Published inChinese physics letters Vol. 30; no. 11; pp. 114206 - 1-114206-3
Main Authors Chang, Jian-Hua, Wang, Ting-Ting, Zhang, Chuang, Ge, Yi-Xian, Tao, Zai-Hong
Format Journal Article
LanguageEnglish
Published 01.11.2013
Subjects
Conversion
Crystals
Fiber lasers
Holes
Lasers
Light sources
Lithium niobates
Wavelengths
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Summary:A compact, tunable mid-IR difference-frequency generation (DFG) light source based on a dual-wavelength fiber laser and a 5mol% MgO-doped periodically poled lithium niobate (MgO:PPLN) crystal is developed and evaluated. An output power of 233 mu W is achieved with a conversion efficiency of 0.1%/W. The mid-IR wavelength can be tuned between 3308 nm and 3314 nm by changing the temperature of a pair of fiber Bragg grating (FBG) taking as cavity mirrors in the dual-wavelength uber laser from 26.5[degrees]C to 106.5[degrees]C.
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SourceType-Scholarly Journals-1
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/30/11/114206