Pigtail-type CO laser using As2S3 optical fiber

Satoshi Tanaka; Yuzoh Setoguchi; Mitsunori Saito; Heihachi Sato

doi:10.1117/12.347814

7 May 1999 Pigtail-type CO laser using As₂S₃ optical fiber

Satoshi Tanaka, Yuzoh Setoguchi, Mitsunori Saito, Heihachi Sato

Proceedings Volume 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99); (1999) https://doi.org/10.1117/12.347814
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '99), 1999, Yokohama, Japan

Abstract

Inserting an As₂S₃ optical fiber into a coupling-hole of one of the optical resonator mirrors directly, a pig-tail type CO laser is successfully demonstrated on its fundamental operational characteristics, together with theoretical treatments. First, finding the spatial intensity-distribution on the coupling-hole mirror, its effective transmittance vector t is evaluated in comparison with the measured spatial beam profile. Then, the output power is measured with the various coupling-hole mirrors, obtaining the maximum output power at the coupling-hole diameter of approximately 0.6 mm. These characteristics of the output power vs the coupling-hole diameter are theoretically explained by using the gain parameters G and the internal loss vector a_i obtained, being well consistent with the experiments. As a result, the optimum coupling-hole evaluated is quite suitable to compose the pig-tail type scheme.

Citation Download Citation

Satoshi Tanaka, Yuzoh Setoguchi, Mitsunori Saito, and Heihachi Sato "Pigtail-type CO laser using As₂S₃ optical fiber", Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); https://doi.org/10.1117/12.347814

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