Temperature measurement system for a 3.5-meter borosilicate mirror

Details Temperature measurement system for a 3.5-meter borosilicate mirror Temperature measurement system for a 3.5-meter borosilicate mirror

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2199..858h&link_type=abstract

Proc. SPIE Vol. 2199, p. 858-861, Advanced Technology Optical Telescopes V, Larry M. Stepp; Ed.

Computer Science

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Scientific paper

Optimizing the performance of a telescope requires the ability to accurately measure and monitor the spatial variation of temperature in critical components. Surfaces near a telescope may warm or chill ambient air and cause image degradation. It is desirable to monitor the temperature of such systems. The design, fabrication and testing of a reliable, low-cost, multiplexed temperature measurement system with a resolution and stability approaching 0.01 degree(s)C is described. This system, with 176 temperature sensors, will be used to monitor the performance of a 3.5 m borosilicate mirror ventilation system. It is applicable to a broad range of telescope and telescope enclosure temperature measurement problems.

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