Development of transmission and receiving optical antenna for free space laser communication

Ching-Wei Chen; Liang-Tang Chen; Tung-Hung Tsai; Yi-Ling Yang; Ming-Tse Huang

doi:10.1117/12.3027093

1 October 2024 Development of transmission and receiving optical antenna for free space laser communication

Ching-Wei Chen, Liang-Tang Chen, Tung-Hung Tsai, Yi-Ling Yang, Ming-Tse Huang

Proceedings Volume 13131, Current Developments in Lens Design and Optical Engineering XXV; 131310H (2024) https://doi.org/10.1117/12.3027093
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Conference Poster

Abstract

A transmission and receiving optical antenna is built-in-house by TASA and Taiwan domestic optical company CALIN. A Cassegrain type telescope is designed and manufactured with primary aperture 80 mm. It could provide the transmitted and received gain about 104 dB, and the obscuration loss about -3.8 dB in the link channel for free space optical laser communication. It could also be integrated in the CubeSat or in the optical communication terminal for small satellite missions. The root-mean-square wave front error for the optical antenna is less than 100 nm. The optical aberrations introduced on-axis WFE loss is estimated about -0.72 dB in the link budget. An eyepiece is designed to locate near the focus of telescope to collimate the output beam with beam size about 3.3~4.7 mm for propagating 50 cm distance in the follow-up communication module system. With the strong supporting domestic electro-optical industry, it is expected to help a lot on the development of the Taiwan space technology.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ching-Wei Chen, Liang-Tang Chen, Tung-Hung Tsai, Yi-Ling Yang, and Ming-Tse Huang "Development of transmission and receiving optical antenna for free space laser communication", Proc. SPIE 13131, Current Developments in Lens Design and Optical Engineering XXV, 131310H (1 October 2024); https://doi.org/10.1117/12.3027093

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