The Practical Application Of Optical Fibres And Microlenses To Multi-Object Spectroscopy.

Ralph Powell

doi:10.1117/12.968081

13 October 1986 The Practical Application Of Optical Fibres And Microlenses To Multi-Object Spectroscopy.

Ralph Powell

Proceedings Volume 0627, Instrumentation in Astronomy VI; (1986) https://doi.org/10.1117/12.968081
Event: 1986 Astronomy Conferences, 1986, Tucson, United States

Abstract

Multi-object fibre optic feeds are being prepared for use with the Cassegrain spectrographs of the La Palma Observatory 2.5m Isaac Newton Telescope and 4.2m William Herschel Telescope. The techniques used for terminating and preparing the fibres are described. In order to maintain high efficiency when feeding f/15 and f/11 spectrographs with fibres, microlenses have been used. The preparation and setting up of a microlensed fibre system to feed the f/15 spectrograph of the INT from the f/3.3 prime focus is described. The performance of this system is demonstrated in the laboratory and details are given of the system under construction for the WHT.

Citation Download Citation

Ralph Powell "The Practical Application Of Optical Fibres And Microlenses To Multi-Object Spectroscopy.", Proc. SPIE 0627, Instrumentation in Astronomy VI, (13 October 1986); https://doi.org/10.1117/12.968081

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