FAN Wengtong,ZHAO Hongchao,FAN Lei,et al.Preliminary analysis of space gravitational wave detection telescope system technology[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(01):178-185.
FAN Wengtong,ZHAO Hongchao,FAN Lei,et al.Preliminary analysis of space gravitational wave detection telescope system technology[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(01):178-185. DOI: 10.13471/j.cnki.acta.snus.2020.11.02.2020B111.
Preliminary analysis of space gravitational wave detection telescope system technology
In order to realize the detection of gravitational waves in the frequency range of 0.1 mHz~1 Hz, the formations(or constellations) of space gravitational wave detectors such as Tianqin, LISA, and Taiji needs to achieve picometer-level measurement accuracy on the order of hundreds of thousands or even millions of kilometers. Therefore, telescopes directly used as part of the inter-satellite interferometry optical path are facing huge technical challenges. Space gravitational wave detection telescope has the characteristics of ultra-high precision and ultra-high stability. This article takes the LISA gravitational wave detector telescope as the research object, and analyzes the optical design scheme of the telescope according to the requirements of 10 pm/Hz
1/2
core index of inter-satellite laser interferometry and the actual demand of gravitational wave detection. And based on the design, analysis and discussion on material selection, optical processing, adjustment and stray light suppression are carried out, which provides a reference for the subsequent development of the telescope.
关键词
望远镜引力波LISA杂散光
Keywords
telescopegravitational waveLISAstray light
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