Micro-optic probes for gas absorption measurements: design study and demonstrators

Anna Grazia Mignani; Andrea A. Mencaglia; Massimo Brenci

doi:10.1117/12.298203

12 January 1998 Micro-optic probes for gas absorption measurements: design study and demonstrators

Anna Grazia Mignani, Andrea A. Mencaglia, Massimo Brenci

Proceedings Volume 3278, Integrated Optic Devices II; (1998) https://doi.org/10.1117/12.298203
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Microoptic probes for gas absorption-measurement making use of single mode optical fibers and graded-index microlenses are considered. A model for a potentially rugged and low- cost probe is given, which minimizes the optical alignment problems, as well as offering intrinsic-loss less than 3 dB for absorption path-lengths up 20 cm, and less than 10 dB when path-lengths up to 40 cm are considered. Probe tests on a breadboard assembly are presented, together with the implementation of two demonstrator probes for methane alarm measurements.

Citation Download Citation

Anna Grazia Mignani, Andrea A. Mencaglia, and Massimo Brenci "Micro-optic probes for gas absorption measurements: design study and demonstrators", Proc. SPIE 3278, Integrated Optic Devices II, (12 January 1998); https://doi.org/10.1117/12.298203

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