Si-Te acousto-optic modulator for fiber optic gas sensor based on midwave InGaAsSb/InAsSbP diode laser

L. A. Kulakova; Nonna V. Zotova; Sergey A. Karandashev; Boris A. Matveev; B. T. Melekh; Nikolai M. Stus'; Georgii N. Talalakin; E. Z. Yakhkind

doi:10.1117/12.252141

24 September 1996 Si-Te acousto-optic modulator for fiber optic gas sensor based on midwave InGaAsSb/InAsSbP diode laser

L. A. Kulakova, Nonna V. Zotova, Sergey A. Karandashev, Boris A. Matveev, B. T. Melekh, Nikolai M. Stus', Georgii N. Talalakin, E. Z. Yakhkind

Author Affiliations +

Proceedings Volume 2895, Fiber Optic Sensors V; (1996) https://doi.org/10.1117/12.252141
Event: Photonics China '96, 1996, Beijing, China

Abstract

Modulator based on the amorphous Si-Te acousto-optic cell and operating in the mid-IR region has been manufactured and tested using 3.3 micrometer diode laser based on InGaAsSb/InAsSbP double heterostructure. Amplitude modulation efficiency for the laser beam coming from the end of a As₂S₃ fiber appeared to be not less than 70% allowing to use the cell in optical gas sensor applications. Methane gas fiber optic sensing was demonstrated using temperature tuning of the laser diode emission in the 3.28 - 3.34 micrometer range.

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L. A. Kulakova, Nonna V. Zotova, Sergey A. Karandashev, Boris A. Matveev, B. T. Melekh, Nikolai M. Stus', Georgii N. Talalakin, and E. Z. Yakhkind "Si-Te acousto-optic modulator for fiber optic gas sensor based on midwave InGaAsSb/InAsSbP diode laser", Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); https://doi.org/10.1117/12.252141

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