Optical design of the INTEGRAL Optical Monitoring Camera

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Abstract
The Optical Monitor Camera (OMC) is a part of the scientific payload being developed for the INTEGRAL mission, scheduled to be launched in 2001. The OMC is an imager that will monitor star variations in the V-band in a 5 X 5 degree field of view. An optical system based on 6 lenses has been developed in order to meet the optical requirements in specific environmental conditions. The concept of the optical system and the optical performances are discussed in this paper. The optical design was mainly driven by the high radiation levels and the very wide temperature range of the instrument. The system has been optimized with specific constrains: limited radiation resistant glasses availability and lens barrel material. The filter section is designed in order to improve the optical performances and to withstand the high radiation environment. Great care is taken for the tolerance analysis that is a key factor for the manufacturing process. Specific stray light analyses including ghost effects are included in the optical design.© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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