Results from bonding of the SALT primary mirror edge sensors

Ockert J. Strydom; Jonathan Love; Hitesh Gajjar

doi:10.1117/12.2233101

22 July 2016 Results from bonding of the SALT primary mirror edge sensors

Ockert J. Strydom, Jonathan Love, Hitesh Gajjar

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 991244 (2016) https://doi.org/10.1117/12.2233101
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Southern African Large Telescope has till recently operated without active closed loop control of its Primary Mirror. The reason for this was that there were no suitable edge sensor system available on the market. Recently a system became available and SALT form Fogale Nanotech. The system consist of a sensor, cables and control electronics. The system was still under development and SALT was responsible for the integration of the sensors before deployment on the Telescope. Several issues still had to be addressed. One of these issues was the integration of the sensors at an appropriate production rate. The sensors was supplied as flexible pc boards with different types making up the transmitters and receivers. These flexible boards were bonded to ClearCeram Z L-Brackets before the appropriate connectors were installed. This paper describes the process used to integrate and test the sensors.

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Ockert J. Strydom, Jonathan Love, and Hitesh Gajjar "Results from bonding of the SALT primary mirror edge sensors", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991244 (22 July 2016); https://doi.org/10.1117/12.2233101

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