Star sensor baffle optimization: some helpful practical design rules

Jean-Jacques P. Arnoux

doi:10.1117/12.258324

11 November 1996 Star sensor baffle optimization: some helpful practical design rules

Jean-Jacques P. Arnoux

Proceedings Volume 2864, Optical System Contamination V, and Stray Light and System Optimization; (1996) https://doi.org/10.1117/12.258324
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The performance of a star sensor is often limited by the stray light level on the detector and by non-uniformity and slopes of the corresponding irradiance. One of the major contributors to this unwanted noise is the baffle, which is frequently designed as a single equipment: its geometry is derived using simple rule to block first and second level scattering of stray light flux coming from external sources at off-axis positions defined by the mission. The geometry of the baffle is constrained by mechanical engineering requirements which confine its overall dimension. Better system performances are obtained when the early design of the baffle can take into account the angular response of the camera.

Citation Download Citation

Jean-Jacques P. Arnoux "Star sensor baffle optimization: some helpful practical design rules", Proc. SPIE 2864, Optical System Contamination V, and Stray Light and System Optimization, (11 November 1996); https://doi.org/10.1117/12.258324

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