Affiliation:
1. Chongqing University of Post and Telecommunications
2. ITMO University
3. Suzhou JFManu Precision Manufacturing Technology Co.
Abstract
A novel high-resolution and large-range autocollimator measurement system for roll angle is proposed. The system retains the basic internal structure of the traditional autocollimator (AC), which only uses a novel non-standard cylindrical cube-corner reflector (CCCR) instead of the planar reflector. In the article, the mathematical relationship between the structure of this special reflector and the spatial coordinate vector change of the reflected beam is deduced, and the measurement formula of the roll angle autocollimator (RAC) measurement system is established based on this mathematical relationship. The effectiveness of the measurement system and method is verified by experiments. Experimental results show that this method can effectively enhance the range to ±20°, and the whole measurement accuracy is 6.1”, the measuring resolution is 1”.
Funder
National Key Research and Development Program of China
National Natural Science Foundation of China
Basic Research Project of Chongqing Science and Technology Commission
Grant of Russian Federation
Science and Technology Research Program of Chongqing Municipal Education Commission
Subject
Atomic and Molecular Physics, and Optics
Cited by
9 articles.
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