Wide Absorption Spectrum Measuring Methods by DFB-LDs in Water Vapor Detection System

Y. N. LIU; J. CHANG; J. LIAN; Q. WANG; G. P. LV; W. J. WANG; Z. LIU; X. Z. LIU; S. S. ZHANG; Z. L. WANG; S. JIANG; C. G. ZHU; W. WEI; and B. N. SUN

[1] S. C. Zhang, Q. Wang, Y. Zhang, F. J. Song, K. Chen, G. Q. Chou, et al., “Water vapor detection system based on scanning spectra,” Photonic Sensors, 2012, 2(1): 71-76.

[2] Y. Zhang, J. Chang, Q. Wang, S. C. Zhang, and F. J. Song, “The theoretical and experimental exploration of a novel water-vapor concentration measurement scheme based on scanning spectrometry,” 2011 International Conference on Electronics and Optoelectronics, China, Jul. 29-31, 2011.

[3] L. M. Wang, Y. J. Zhang, H. B. Li, Y. Zhou, Y. He, and W. Q. Liu, “Study on long distance transmission technique of weak photocurrent signal in laser gas sensor,” Chinese Optics Letters, 2012, 10(4): 042802.

[4] P. Werle, “A review of recent advances in semiconductor laser-based gas monitors,” Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 1998, 54(2): 197-236.

[5] V. Weldon, D. McInerney, R. Phelan, M. Lynch, and J. Donegan, “Characteristics of several NIR tuneable diode lasers for spectroscopic based gas sensing: a comparison,” Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2006, 63(5): 1013-1020.

[6] X. Liu, J. B. Jeffries, and R. K. Hanson, “Measurements of spectral parameters of watervapour transitions near 1388 and 1345 nm for accurate simulation of high-pressure absorption spectra,” Measurement Science and Technology, 2007, 18(5): 1158-1194.

[7] W. G. Chen, Y. X. Yun, C. Pan, and C. X. Sun, “Analysis of infrared absorption properties of dissolved gases in transformer oil,” Proceeding of the Chinese Society for Electrical Eegineering, 2008, 28(16): 148-153.

[8] J. Chang, G. P. Lv, G. Q. Zhou, K. Chen, Y. Zhang, Z. L. Wang, et. al., “Application of wavelength scanning for measuring water vapour concentration by distributed laser diode,” Procceeding of 5th Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, USA, Aug. 21, 2011.

[9] Q. Wang, J. Chang, C. G. Zhu, C. Li, F. J. Song, Y. N. Liu, et al., “Detection of water vapor concentration based on differential value of two adjacent absorption peaks,” Laser Physics Letters, 2012, 9(6): 421-425.

[10] J. Chang, Q. J. Huang, X. Z. Liu, K. Chen, H. T. Chang, G. P. Lv, et al., “Noise investigation and signal process in fiber optic gas sensor with wavelength modulation of the DFB laser diode,” Proceeding of 6th Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, USA, Aug. 12, 2012.