Interferometric control of fiber lengths for a coherent telescope array

Details Interferometric control of fiber lengths for a coherent telescope array Interferometric control of fiber lengths for a coherent telescope array

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apopt..31.3736r&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 31, no. 19, July 1, 1992, p. 3736-3743.

Physics

Optics

20

Fiber Optics, Image Processing, Mach-Zehnder Interferometers, Optical Thickness, Radio Telescopes, Servocontrol, Very Long Base Interferometry, High Resolution, Spatial Resolution, Spectral Bands, Spectral Line Width, Step Functions

Scientific paper

A laser-controlled servosystem that keeps the fiber-optical length difference stable is described. A new interferometer design is proposed which makes it possible to introduce an arbitrary number of telescopes with simultaneous control of all fiber lengths from an unstabilized laser. The interferometer compares the optical length of all the filters (called slaves) with that of a unique master fiber.

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