Interference method for mosaicking echelles using double-angle incident light and a mirror-echelle structure

Min Cong; Xiangdong Qi; Xiaotao Mi; Heshig Bayan

doi:10.1117/1.OE.57.6.064111

30 June 2018 Interference method for mosaicking echelles using double-angle incident light and a mirror-echelle structure

Min Cong, Xiangdong Qi, Xiaotao Mi, Heshig Bayan

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 064111 (June 2018). https://doi.org/10.1117/1.OE.57.6.064111

Abstract

A method of eliminating echelle mosaicking errors using a single-interferometer system combined with a mirror-echelle structure and double-angle incident light is proposed. Coplanar and in-plane mosaicking errors are, respectively, removed using interference fringes at zero order and diffraction order, and double-angle incidence light is exploited to erase the longitudinal offset. Two mirror-echelle structures, both with aluminum reserved for a mirror on the echelle plane to receive the double-angle incident light, are designed. The relationship between mosaicking error and the optical path difference is established. The evolution of the interference fringe pattern of mosaicking process is simulated, and a mosaicking experiment is then conducted following the simulation.

Citation Download Citation

Min Cong, Xiangdong Qi, Xiaotao Mi, and Heshig Bayan "Interference method for mosaicking echelles using double-angle incident light and a mirror-echelle structure," Optical Engineering 57(6), 064111 (30 June 2018). https://doi.org/10.1117/1.OE.57.6.064111

Received: 26 March 2018; Accepted: 12 June 2018; Published: 30 June 2018

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