Application of PSD in collimation testing

Zhou Zhang; Lihong Jiao; Xiaodong Hu

doi:10.1117/12.293491

14 November 1997 Application of PSD in collimation testing

Zhou Zhang, Lihong Jiao, Xiaodong Hu

Proceedings Volume 3241, Smart Materials, Structures, and Integrated Systems; (1997) https://doi.org/10.1117/12.293491
Event: Far East and Pacific Rim Symposium on Smart Materials, Structures, and MEMS, 1997, Adelaide, Australia

Abstract

In this paper a detecting system that detects the errors of the dynamic angle measuring instrument has been developed. Theoretical analyses have been done on the detecting principles of the system. This new automatic testing system in which PSD instead of collimator can measure the dividing errors of the dynamic angular instrument. This detecting device overcomes the shortage of the collimator whose dynamic respond spectrum is limited in the course of dynamic testing. Moreover, this device has simple structure and is easy to adjust. The system consists of two-mode laser, a laser collimation system, rotating table, PSD and a 12-sides polygon mirror that was used as an angle standard. The optoelectronic position-sensitive detector (PSD) has the advantage of short respond time, high discrimination and large respond spectrum. But it has large position testing error. In this paper, the position testing error of PSD has got demarcating correction in order to meet the need of high precise measurement. This device can work in high speed. Its accuracy is high in the dynamic testing. With the system, a preliminary experimental research has been made on the round synchronous transformer. Experimental results show that the system satisfies the initial design requirements.

Citation Download Citation

Zhou Zhang, Lihong Jiao, and Xiaodong Hu "Application of PSD in collimation testing", Proc. SPIE 3241, Smart Materials, Structures, and Integrated Systems, (14 November 1997); https://doi.org/10.1117/12.293491

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