| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Compact and Tunable Mid-IR Light Source Based on a Dual-Wavelength Fiber Laser |
| CHANG Jian-Hua**, WANG Ting-Ting, ZHANG Chuang, GE Yi-Xian, TAO Zai-Hong |
Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science & Technology, Nanjing 210044 Jiangsu Technology & Engineering Center of Meteorological Sensor Network, Nanjing University of Information Science & Technology, Nanjing 210044
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| Cite this article: |
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CHANG Jian-Hua, WANG Ting-Ting, ZHANG Chuang et al 2013 Chin. Phys. Lett. 30 114206 |
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Abstract 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 μW 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 fiber laser from 26.5°C to 106.5°C.
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Received: 15 August 2013
Published: 30 November 2013
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.-v
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(Laser optical systems: design and operation)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.72.Ai
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(Infrared sources)
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