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IEICE TRANSACTIONS on Electronics

Michelson-Interferometer Type CO2 Laser for Specification to Lineshape Lineshape Parameter Analysis

Yutaka KODAMA, Heihachi SATO

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Summary :

The Michelson-interferometer (MI) optical resonator has been applied, together with physical interests, to a low pressure and slow-flow type CO2 laser for specifying the system to a probe laser source. The fundamental characteristics online-selection, oscillation power and transverse mode are also investigated in comparison to the CO2 laser obtained for various resonators such as an open-ended reflective-multiple interferometer (RMI), an open-sided MI, a Fox-Smith interferometer and soon. Consequently, it is confirmedthat 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 towards 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 100 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.

Publication
IEICE TRANSACTIONS on Electronics Vol.E79-C No.6 pp.853-862
Publication Date
1996/06/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Quantum Electronics

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