Automatic Gain Adjustment Modular in Open Path Detection Based on Laser Technology

Kun YOU; Yu-jun ZHANG; Ying HE; Li-ming WANG

doi:10.3969/j.issn.1673-6141.2012.04.005

[1] Linnerud I, Kaspersen P, Jaeger T. Gas monitoring in the process industry using diode laser spectroscopy ［J］. Appl. Phys. B, 1998, 67: 297-305.

[2] Fan Hong, Gao Xiaoming, Bao Jian, et al. Study on remote sensing of methane leakage using a tunable diode laser ［J］. Spectroscopy and Spectral Analysis, 2006, 26(8): 1423-1426(in Chinese).

[3] Furlong E R, Baer D S, Hanson R K, et al. Combustion control using a multiplexed diode-laser sensor system ［C］. th Symposium (Int.) on Combustion (Pittsburgh: The Combustion Institute), 1997: 2851-8.

[4] Schiff H I, Mackay G I, Bechara J. The use of tunable diode laser absorption spectroscopy for atmospheric measurements ［J］. Research on Chemical Intermediates, 1994, 20(3-5): 525-556.

[5] Webber M E, Baer D S, Hanson R K. Ammonia monitoring near 1.5 mm with diode-laser absorption sensors ［J］. Appl. Opt., 2001, 40(12): 2031-2042.

[6] PGA207 datasheet. High-Speed Programmable Gain Instrumentation Amplifier ［M］. Burr-Brown Corporation.