24 July 2008 Results from the Pan-STARRS Orthogonal Transfer Array (OTA)
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Abstract
The Pan-STARRS project has completed its first 1.4 gigapixel mosaic focalplane CCD camera using 60 Orthogonal Transfer Arrays (OTAs). The devices are the second of a series of planned development lots. Several novel properties were implemented into their design including 4 phase pixels for on-detector tip-tilt image compensation, selectable region logic for standby or active operation, relatively high output amplifier count, close four side buttable packaging and deep depletion construction. The testing and operational challenges of deploying these OTAs required enhancements and new approaches to hardware and software. We compare performance achieved with that which was predicted, and discuss on-sky results, tools developed, shortcomings, and plans for future OTA features and improvements.
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John L. Tonry, John L. Tonry, Barry E. Burke, Barry E. Burke, Sidik Isani, Sidik Isani, Peter M. Onaka, Peter M. Onaka, Michael J. Cooper, Michael J. Cooper, } "Results from the Pan-STARRS Orthogonal Transfer Array (OTA)", Proc. SPIE 7021, High Energy, Optical, and Infrared Detectors for Astronomy III, 702105 (24 July 2008); doi: 10.1117/12.789617; https://doi.org/10.1117/12.789617
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