Linewidth measurement of high power diode laser at 2 μm for carbon dioxide detection

A Ksendzov,Siamak Forouhar,Ryan M Briggs,Clifford Frez,Kale J Franz,Mehdi Bagheri

Electronics Letters（2012）

引用 7|浏览10

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摘要

The linewidth of a gallium antimonide-based laterally-coupled 2.05 m DFB laser emitting 40 mW of power at 9 C is measured. The measured linewidth is 1.7 MHz for 500 ms and 1.4 MHz for 10 ms observation time, respectively. The combination of high power and low frequency jitter makes this laser useful for detecting CO2 in air in both in-situ and remote sensing applications. The linewidth measurement...

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关键词

atmospheric chemistry,atmospheric composition,atmospheric techniques,carbon compounds,remote sensing by laser beam,semiconductor lasers,spectral line breadth

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