2波長CO_2レーザ励起による2波長遠赤外レーザ干渉計の開発

概要

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Simultaneously oscillated multi-line far infrared (FIR) lasers from a single FIR laser cavity have been developed as optical sources of a two-color interferometer for plasma diagnostics. Using two pump CO2 lasers which oscillated at the different wavelength, we have obtained simultaneously oscillated 119-μm laser pumped by 9P(36) CO2 laser and 57-μm laser pumped by 9R(8) CO2 laser from mixed gases of CH3OH and CH3OD. Common beam splitters of the two-color FIR laser interferometer have been designed by using precise optical constants (refractive index and absorption coefficient) of silicon.
社団法人電気学会の論文
2009-11-01