A Monte Carlo simulation for predicting photon return from sodium laser guide star

Lu Feng; Edward Kibblewhite; Kai Jin; Suijian Xue; Zhixia Shen; Yong Bo; Junwei Zuo; Kai Wei

doi:10.1117/12.2205119

8 October 2015 A Monte Carlo simulation for predicting photon return from sodium laser guide star

Lu Feng, Edward Kibblewhite, Kai Jin, Suijian Xue, Zhixia Shen, Yong Bo, Junwei Zuo, Kai Wei

Proceedings Volume 9678, AOPC 2015: Telescope and Space Optical Instrumentation; 96781B (2015) https://doi.org/10.1117/12.2205119
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

Sodium laser guide star is an ideal source for astronomical adaptive optics system correcting wave-front aberration caused by atmospheric turbulence. However, the cost and difficulties to manufacture a compact high quality sodium laser with power higher than 20W is not a guarantee that the laser will provide a bright enough laser guide star due to the physics of sodium atom in the atmosphere. It would be helpful if a prediction tool could provide the estimation of photon generating performance for arbitrary laser output formats, before an actual laser were designed. Based on rate equation, we developed a Monte Carlo simulation software that could be used to predict sodium laser guide star generating performance for arbitrary laser formats. In this paper, we will describe the model of our simulation, its implementation and present comparison results with field test data.

Citation Download Citation

Lu Feng, Edward Kibblewhite, Kai Jin, Suijian Xue, Zhixia Shen, Yong Bo, Junwei Zuo, and Kai Wei "A Monte Carlo simulation for predicting photon return from sodium laser guide star", Proc. SPIE 9678, AOPC 2015: Telescope and Space Optical Instrumentation, 96781B (8 October 2015); https://doi.org/10.1117/12.2205119

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