Experimental investigation of laser transmission at 1.06um in horizontal atmosphere under fine and haze-fog conditions of summer

Kaixin Yin; Chunhong Qiao; Xiaoxing Feng; Pengfei Zhang; Chengyu Fan

doi:10.1117/12.2243789

27 September 2016 Experimental investigation of laser transmission at 1.06μm in horizontal atmosphere under fine and haze-fog conditions of summer

Kaixin Yin, Chunhong Qiao, Xiaoxing Feng, Pengfei Zhang, Chengyu Fan

Author Affiliations +

Proceedings Volume 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment; 96843Z (2016) https://doi.org/10.1117/12.2243789
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

With two sets of experimental instruments, laser transmission was investigated through horizontal atmosphere at 1.06 m under fine and haze-fog events. One set of the instruments is an indirect transmission meter used to measure visibility and the other one is a direct transmission meter used to measure the attenuation of laser power. Results show that the variation of transmittance got from laser power (T_p) and that obtained by visibility (T_vis) are highly correlated. For relative humidity (RH) below 85%, the curve of T_vis fits that of T_p very well. While the RH is above 85%, the T_vis is more likely smaller than T_p under fine meteorological condition, but under haze-fog condition T_vis is larger than T_p on the contrary. For different weather condition, the relation efficient between extinction coefficient and visibility is different. Even for similar visibility, the extinction coefficient of haze-fog event is larger than that of fine event.

Citation Download Citation

Kaixin Yin, Chunhong Qiao, Xiaoxing Feng, Pengfei Zhang, and Chengyu Fan "Experimental investigation of laser transmission at 1.06μm in horizontal atmosphere under fine and haze-fog conditions of summer", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 96843Z (27 September 2016); https://doi.org/10.1117/12.2243789

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