DEVELOPMENT OF SLEWING MIRROR TELESCOPE OPTICAL SYSTEM FOR THE UFFO-PATHFINDER

Gamma-ray Bursts: 15 Years of GRB Afterglows Pub Date : 2013-11-11 DOI:10.1051/EAS/1361090

S. Jeong, J. Nam, K. Ahn, I. Park, Sug-Whan Kim, J. Lee, H. Lim, S. Brandt, C. Budtz-Jørgensen, A. Castro-Tirado, Pisin Chen, M. Cho, J. Choi, B. Grossan, M. Huang, A. Jung, Jieun Kim, Min Bin Kim, Y. W. Kim, E. Linder, K. Min, G. Na, M. Panasyuk, J. Řípa, V. Reglero, G. Smoot, J. Suh, S. Svertilov, N. Vedenkin, I. Yashin

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Abstract

The Slewing Mirror Telescope (SMT) is the UV/optical telescope of UFFO-pathfinder. The SMT optical system is a Ritchey-Chretien (RC) telescope of 100 mm diameter pointed by means of a gimbal-mounted flat mirror in front of the telescope. The RC telescope has a 17 × 17arcmin2 in Field of View and 4.3 arcsec resolution (full width half maximum of the point spread function) The beam-steering mirror enables the SMT to access a 35 × 35degree region and point and settle within 1 sec. All mirrors were fabricated to about 0.02 wavelengths RMS in wave front error (WFE) and 84.7% average reflectivity over 200 nm ~ 650 nm. The RC telescope was aligned to 0.05 wavelengths RMS in WFE (test wavelength 632.8 nm). In this paper, the technical details of the RC telescope and slewing mirror system assembly, integration, and testing are given shortly, and performance tests of the full SMT optical system are reported.

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uffo探路者用回转镜望远镜光学系统的研制

回转镜望远镜(SMT)是uffo探路者的紫外/光学望远镜。SMT光学系统是一个直径为100mm的里奇-克雷蒂安(RC)望远镜，通过望远镜前的平衡平反射镜进行指向。RC望远镜的视场面积为17 × 17arcmin2，分辨率为4.3 arcsec(点扩展函数全宽的一半)，波束导向镜使SMT能够在1秒内到达35 × 35度的区域和点，所有反射镜的波前误差(WFE)约为0.02波长RMS，平均反射率为84.7%，在200 nm ~ 650 nm范围内。在WFE(测试波长632.8 nm)中，RC望远镜对准0.05波长RMS。本文简要介绍了RC望远镜和回转镜系统的装配、集成和测试的技术细节，并报道了整个SMT光学系统的性能测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Gamma-ray Bursts: 15 Years of GRB Afterglows

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