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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2611–2613

Heterodyne architecture for tunable laser chirped dispersion spectroscopy using optical processing

Pedro Martín-Mateos, Borja Jerez, and Pablo Acedo  »View Author Affiliations

Optics Letters, Vol. 39, Issue 9, pp. 2611-2613 (2014)

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Dispersion-based spectroscopic techniques present many desirable features when compared with classical absorption spectroscopy implementations, such as the normalization-free operation and the extended dynamic range. In this Letter, we present a new sensor design based on direct optical processing for heterodyne conversion in tunable laser chirped dispersion spectroscopy that allows sensor implementations using low-speed photodetectors and low-cost FM demodulators. The performance of the new setup has been validated using as a target the ro-vibrational transition of methane at approximately 1650.96 nm.

© 2014 Optical Society of America

OCIS Codes
(200.4740) Optics in computing : Optical processing
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:

Original Manuscript: February 21, 2014
Revised Manuscript: March 26, 2014
Manuscript Accepted: March 26, 2014
Published: April 21, 2014

Pedro Martín-Mateos, Borja Jerez, and Pablo Acedo, "Heterodyne architecture for tunable laser chirped dispersion spectroscopy using optical processing," Opt. Lett. 39, 2611-2613 (2014)

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