Design of off-axis four-mirror afocal optical system with high magnification

doi:10.3788/CO.20201301.0179

CIOMP OpenIR

	Design of off-axis four-mirror afocal optical system with high magnification
	S.-N. Chen,H.-L. Jiang,C.-Y. Wang and Z. Chen
	2020
发表期刊	Chinese Optics
ISSN	20951531
卷号	13 期号:1 页码:179-188
摘要	The space gravitational wave detection is realized by adopting the technology of heterodyne laser interferometry. The accuracy and noise level of the measurement are extremely rigorous. As an important part of space-based gravitational wave observatory, telescope plays the role of laser signal transceiver, and is characterized by high magnification, high image quality, high similarity of wave-front error over the field of view and extraordinary ability to suppress stray light. Aiming at above requirements, methods of design and analysis of the off-axis four-mirror afocal optical system with high magnification are investigated. Based on the theory of primary aberration, the design method of initial structure is explored. The system has an intermediate image plane and an available exit pupil, which facilitates stray light suppression and integration with the scientific interferometer. The wave-front similarity merit function is established. After optimization, the entrance pupil diameter is 200 mm, the magnification is 40. The Root-Mean-Square (RMS) wave-front error is better than 0.005 and the Peak-to-Valley (PV) value is less than 0.023, moreover, the RMS of wave-front similarity residuals are better than 0.000 8(=1 064 nm) within the 8 rad scientific field of view. Over the field of regard for acquisition, the imaging quality is close to the diffraction limit. The tolerance of the system is analyzed and meets the requirements of space-based gravitational wave detection. 2020, China Science Publishing & Media LTD. All right reserved.
DOI	10.3788/CO.20201301.0179
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收录类别	EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64435
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	S.-N. Chen,H.-L. Jiang,C.-Y. Wang and Z. Chen. Design of off-axis four-mirror afocal optical system with high magnification[J]. Chinese Optics,2020,13(1):179-188.
APA	S.-N. Chen,H.-L. Jiang,C.-Y. Wang and Z. Chen.(2020).Design of off-axis four-mirror afocal optical system with high magnification.Chinese Optics,13(1),179-188.
MLA	S.-N. Chen,H.-L. Jiang,C.-Y. Wang and Z. Chen."Design of off-axis four-mirror afocal optical system with high magnification".Chinese Optics 13.1(2020):179-188.

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