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Proceedings Paper

Si-Te acousto-optic modulator for fiber optic gas sensor based on midwave InGaAsSb/InAsSbP diode laser
Author(s): L. A. Kulakova; Nonna V. Zotova; Sergey A. Karandashev; Boris A. Matveev; B. T. Melekh; Nikolai M. Stus'; Georgii N. Talalakin; E. Z. Yakhkind
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Paper 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.

Paper Details

Date Published: 24 September 1996
PDF: 5 pages
Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); doi: 10.1117/12.252141
Show Author Affiliations
L. A. Kulakova, A.F. Ioffe Physical-Technical Institute (Russia)
Nonna V. Zotova, A.F. Ioffe Physical-Technical Institute (Russia)
Sergey A. Karandashev, A.F. Ioffe Physical-Technical Institute (Russia)
Boris A. Matveev, A.F. Ioffe Physical-Technical Institute (Russia)
B. T. Melekh, A.F. Ioffe Physical-Technical Institute (Russia)
Nikolai M. Stus', A.F. Ioffe Physical-Technical Institute (Russia)
Georgii N. Talalakin, A.F. Ioffe Physical-Technical Institute (Russia)
E. Z. Yakhkind, A.F. Ioffe Physical-Technical Institute (Russia)


Published in SPIE Proceedings Vol. 2895:
Fiber Optic Sensors V
Kim D. Bennett; Byoung Yoon Kim; Yanbiao Liao, Editor(s)

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