Study on compact polarized light beam splitting system for generating sodium guidestars constellation

Autor: Qi Bian, Jun-Wei Zuo, Qinjun Peng, Yong Bo
Rok vydání: 2022
Předmět:
Zdroj: Optics & Laser Technology. 146:107560
ISSN: 0030-3992
DOI: 10.1016/j.optlastec.2021.107560
Popis: A simple and compact polarized light beam splitting system is developed to split one sodium laser beam into multiple beamlets. Here, a polarizing beam splitter and a high reflection mirror is creatively synthesized to be one mirror as the special splitter-and-coupler, whose operation principle is introduced in detail. A Jones matrix model is utilized for theoretical analysis of the amplitude variation and energy distribution of the splitting beamlets. As a result, four yellow beamlets with the power ratio of 1:1:1:1 and orthogonally linearly polarized state are achieved within only 0.002 m2 working area. This approach opens up a new way to generate sodium guidestars constellation for the extended-field-of-view multi-conjugate adaptive optics telescopes.
Databáze: OpenAIRE