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Conferences > CLEO_Europe > 2000 > CWF > CWF100
  • Conference on Lasers and Electro-Optics Europe
  • Technical Digest Series (Optica Publishing Group, 2000),
  • paper CWF100

A Sampled Grating Distributed Bragg Reflector laser diode for spectroscopic based multi-gas detection at 1.5 μm.

K. Boylan, V. Weldon, D. McDonald, J. Rawsthorne, J. O’Gorman, and J. Hegarty

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Abstract

We report the first use of a Sampled Grating Distributed Bragg reflector (SGDBR) [1] widely tunable laser (Δλ = 50nm) to laser based gas detection. The laser was used to simultaneously measure the concentration of several gas species with widely separated absorption features. Such wide wavelength scanning is not possible with conventional DFB and DBR lasers and is in high demand for Tunable Laser Diode Absorption Spectroscopy (TDLAS) trace gas detection.

© 2000 IEEE

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