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(PPLN) crystal pumped by two single-frequency diode lasers. A maximum DFG power of 1.6 μW at 3.6 μm was generated with a pump power of 61.4 mW at 832 nm and a signal power of 41.5 mW at 1083 nm incident on a 19-mm-long PPLN crystal, which corresponds to a conversion efficiency of 335 μW W-2 cm-1.
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Received: 16 June 1998
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Richter, D., Lancaster, D., Curl, R. et al. Compact mid-infrared trace gas sensor based on difference-frequency generation of two diode lasers in periodically poled LiNbO3. Appl Phys B 67, 347–350 (1998). https://doi.org/10.1007/s003400050514
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DOI: https://doi.org/10.1007/s003400050514