Assembly and testing of the ESI camera

Andrew I. Sheinis; Brian M. Sutin; Harland W. Epps; J. Alan Schier; David F. Hilyard; Jeffrey P. Lewis

doi:10.1117/12.363822

28 September 1999 Assembly and testing of the ESI camera

Andrew I. Sheinis, Brian M. Sutin, Harland W. Epps, J. Alan Schier, David F. Hilyard, Jeffrey P. Lewis

Proceedings Volume 3786, Optomechanical Engineering and Vibration Control; (1999) https://doi.org/10.1117/12.363822
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The Echellette Spectrograph and Imager (ESI), currently being delivered for use at the Cassegrain focus of the Keck II telescope employs an all-spherical, 308 mm focal length f/1.07 Epps camera. The camera consists of 10 lens elements in 5 groups: an oil-coupled doublet; a singlet, an oil- coupled triplet; a grease-coupled triplet; and a field flattener, which also serves as the vacuum-dewar window. A sensitivity analysis suggested that mechanical manufacturing tolerances of order +/- 25 microns were appropriate. In this paper we discuss the sensitivity analysis, the assembly and the testing of this camera.

Citation Download Citation

Andrew I. Sheinis, Brian M. Sutin, Harland W. Epps, J. Alan Schier, David F. Hilyard, and Jeffrey P. Lewis "Assembly and testing of the ESI camera", Proc. SPIE 3786, Optomechanical Engineering and Vibration Control, (28 September 1999); https://doi.org/10.1117/12.363822

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