Multi/demultiplexer and spectral isolator for optical inter-satellites communications

Details Multi/demultiplexer and spectral isolator for optical inter-satellites communications Multi/demultiplexer and spectral isolator for optical inter-satellites communications

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1131...54c&link_type=abstract

IN: Optical space communication; Proceedings of the Meeting, Paris, France, Apr. 24-26, 1989 (A90-38001 16-17). Bellingham, WA,

Physics

Demultiplexing, Multiplexing, Optical Communication, Polarization (Waves), Satellite Communication, Wave Attenuation, Channels (Data Transmission), Layouts, Optical Density

Scientific paper

Filtering, polarizing and phase-retarding methods are used by the present multiplexer/demultiplexer design, in order to alternatively combine or split four spectrally proximate optical channels at 821, 827, 833, and 839 nm. The spectral isolator employed for transmission, communication, and tracking functions has been found to possess excellent transmission of all optical channels, as well as a substantial isolation ratio between the communication and transmit channels, low level calibration requirements in the tracking channel, and very low wavefront deformation. The optical configuration employed yields high optomechanical stability and spectral stability.

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