Michelson-Interferometer Type CO_2 Laser for Specification to Lineshape Parameter Analysis

概要

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The Michelson-interferometer (MI) optical resonator has been applied, together with physical interests, to a low pressure and slow-flow type CO_2 laser for specifying the system to a probe laser source. The fundamental characteristics on line-selection, oscillation power and transverse mode are also investigated in comparison to the CO_2 laser obtained for various resonators such as an open-ended reflective-multiple interferometer (RMI), an open-sided MI, a Fox-Smith interferometer and so on. Consequently, it is confirmed that the MI type laser proposed can be one of the promising scheme, without losing oscillation power much and transverse mode quality as a probe laser to-wards lineshape (or laser) parameter analysis. Translating one of the MI mirror by a slight distance on the order of a micron meter along the gain axis, we can not only switch either a single rotational-vibrational line or combination of multiple lines, but also obtain different combination of lines by translating a large amount of the translation distance of the order of l00 μm. Moreover, elimination of one of the side-mirrors in the MI resonator enables us to switch the oscillation lines at the expense of some output power.
社団法人電子情報通信学会の論文
1996-06-25