Multiring detector for tracking antenna

Dingyu Liu; Shulan Wang

doi:10.1117/12.182178

5 August 1994 Multi-ring detector for tracking antenna

Dingyu Liu, Shulan Wang

Proceedings Volume 2321, Second International Conference on Optoelectronic Science and Engineering '94; (1994) https://doi.org/10.1117/12.182178
Event: Optoelectronic Science and Engineering '94: International Conference, 1994, Beijing, China

Abstract

The analysis of optical antenna gain for laser communications has been made by some authors in the past years, most of them pay attention to on-axis situation, however, in latter years, laser navigation becomes interested, off-axis situation has been given more considerations, four-quadrant detector is commonly used for TEM₀₀ mode detection. But it is unsatisfactory in the case of the divergent angle exceeding some criterion for large variations of distance detection, especially, it is difficult to make a precise judgement for what is the distortions of the wave front by random disturbance. This paper suggested a method of multi- ring detection to meet such demand.

Citation Download Citation

Dingyu Liu and Shulan Wang "Multi-ring detector for tracking antenna", Proc. SPIE 2321, Second International Conference on Optoelectronic Science and Engineering '94, (5 August 1994); https://doi.org/10.1117/12.182178

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