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Proceedings Paper

Design of a field-widened Michelson interferometer for a near-infrared high spectral resolution lidar
Author(s): Hanlu Huang; Dong Liu; Yongying Yang; Zhongtao Cheng; Shitong Wang; Tong Ling; Yibing Shen
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Paper Abstract

High spectral resolution lidars (HSRLs) are becoming more and more important in profiling atmospheric aerosols as accurate measurement can be achieved by employing the high-spectral-resolution spectroscopic filter. A field-widened Michelson interferometer (FWMI) is specially designed to be the spectroscopic filter for a near-infrared HSRL. The FWMI is superior to other commonly used filters, such as F-P interferometric filters and atomic/molecular absorption filters for its large angular acceptance, high photon efficiency and wavelength flexibility. It consists of a cubic beam splitter and two orthogonal arms. In this paper, the designing procedure of determining the materials and dimensions of the arms is described in detail. The result designed to the spectral line of 1064nm is presented and is analyzed to have good working performance. A tolerance evaluation model is also established to assist the design process.

Paper Details

Date Published: 17 September 2013
PDF: 10 pages
Proc. SPIE 8872, Lidar Remote Sensing for Environmental Monitoring XIV, 88720P (17 September 2013); doi: 10.1117/12.2023128
Show Author Affiliations
Hanlu Huang, Zhejiang Univ. (China)
Dong Liu, Zhejiang Univ. (China)
Yongying Yang, Zhejiang Univ. (China)
Zhongtao Cheng, Zhejiang Univ. (China)
Shitong Wang, Zhejiang Univ. (China)
Tong Ling, Zhejiang Univ. (China)
Yibing Shen, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 8872:
Lidar Remote Sensing for Environmental Monitoring XIV
Upendra N. Singh, Editor(s)

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