Characterization of the polarization properties of a laser output from a CO2 laser with a special intracavity mirror

Moriaki Wakaki; Hiroo Motegi; Yuichi Komachi; Genichi Kanai

doi:10.1117/12.246181

16 August 1996 Characterization of the polarization properties of a laser output from a CO₂ laser with a special intracavity mirror

Moriaki Wakaki, Hiroo Motegi, Yuichi Komachi, Genichi Kanai

Author Affiliations +

Proceedings Volume 2873, International Symposium on Polarization Analysis and Applications to Device Technology; (1996) https://doi.org/10.1117/12.246181
Event: International Symposium on Polarization Analysis and Applications to Device Technology, 1996, Yokohama, Japan

Abstract

A polarization property of a laser output was characterized for a CO₂ laser with a mirror of anisotropic reflectivity for p and s polarization installed within the cavity. A slight difference of reflectivity of the mirror for p and s polarization is emphasized through the multiple reflection within the laser cavity, because a laser system forms a feedback system to reach a laser oscillation. By using this idea of feedback system, a laser output with a linear polarization of a large polarization ratio and with a specially polarized mode like TE₀₁ which has a polarization vector tangential to a circle was obtained. A new type of measuring system is proposed to measure the polarization characteristics of the reflectivity of a mirror like sample set within a laser cavity through a laser output.

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Moriaki Wakaki, Hiroo Motegi, Yuichi Komachi, and Genichi Kanai "Characterization of the polarization properties of a laser output from a CO₂ laser with a special intracavity mirror", Proc. SPIE 2873, International Symposium on Polarization Analysis and Applications to Device Technology, (16 August 1996); https://doi.org/10.1117/12.246181

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