Low-cost large aperture telescopes for optical communications

Details Low-cost large aperture telescopes for optical communications Low-cost large aperture telescopes for optical communications

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6304e..18h&link_type=abstract

Free-Space Laser Communications VI. Edited by Majumdar, Arun K.; Davis, Christopher C.. Proceedings of the SPIE, Volume 6304, p

Physics

Optics

Scientific paper

Low-cost, large-aperture optical receivers are required to form an affordable optical ground receiver network for laser communications. Among the ground receiver station's multiple subsystems, here, we only discuss the ongoing research activities aimed at reducing the cost of the large-size optics on the receiver. Experimental results of two different approaches for fabricating low-cost mirrors of wavefront quality on the order of 100-200X the diffraction limit are described. Laboratory-level effort are underway to improve the surface figure to better than 20X the diffraction limit.

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