Fine pointing mechanism using multi-layered piezo-electric actuator for optical ISL system

Koichi Shiratama; Takehide Hamuro; Yoshio Ohgushi; Motoh Shimizu; Hiroshi Arikawa; Yasumasa Hisada; Hiroshi Anegawa

doi:10.1117/12.18180

1 July 1990 Fine pointing mechanism using multi-layered piezo-electric actuator for optical ISL system

Koichi Shiratama, Takehide Hamuro, Yoshio Ohgushi, Motoh Shimizu, Hiroshi Arikawa, Yasumasa Hisada, Hiroshi Anegawa

Proceedings Volume 1218, Free-Space Laser Communication Technologies II; (1990) https://doi.org/10.1117/12.18180
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

A new type of the fine pointing mechanism (FPM) was examined as part of the optical ISL studies conducted by NASDA. Compact piezo-electric mirror deflecting mechanism (MDM) , having a very high resolution (less than 3 irad) was fabricated, and the performance of the MDM was evaluated aiming for application in the ISL optical FPM. The fundamental performance of the fine pointing assembly (FPA) in optical ISL with the multi-layered piezo—electric MDM was confirmed sufficient for optical ISL having pointing error by disturbance (± 0.75 irad) and pointing angle (± 720 Mrad). It was confirmed that the examined FPM is suitable for the fine pointing of optical ISL, by combining appropriately designed optics and coarse pointing assembly (CPA) , through a preliminary system design.

Citation Download Citation

Koichi Shiratama, Takehide Hamuro, Yoshio Ohgushi, Motoh Shimizu, Hiroshi Arikawa, Yasumasa Hisada, and Hiroshi Anegawa "Fine pointing mechanism using multi-layered piezo-electric actuator for optical ISL system", Proc. SPIE 1218, Free-Space Laser Communication Technologies II, (1 July 1990); https://doi.org/10.1117/12.18180

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