Large Focal Plane Arrays for Future Missions

Details Large Focal Plane Arrays for Future Missions Large Focal Plane Arrays for Future Missions

2009-04-13

arxiv.org/abs/0904.1991v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

11 pages - Astro2010 Technology White Paper

Scientific paper

We outline the challenges associated with the development and construction of large focal plane arrays for use both on the ground and in space. Using lessons learned from existing JPL-led and ASU/JPL partnership efforts to develop technology for, and design such arrays and imagers for large focal planes, we enumerate here the remaining problems that need to be solved to make such a venture viable. Technologies we consider vital for further development include: (1) architectures, processes, circuits, and readout solutions for production and integration of four-side buttable, low-cost, high-fidelity, high-performance, and high-reliability CCD and CMOS imagers; (2) modular, four-side buttable packaging of CCD/CMOS imagers; (3) techniques and hardware to test and characterize the large number of chips required to produce the hundreds of flight-grade detectors needed for large focal-plane missions being conceived at this time; (4) ground based testbed needs, such as a large format camera mounted on a ground-based telescope, to field test the detectors and the focal plane technology solutions; and (5) validation of critical sub-components of the design on a balloon mission to ensure their flight-readiness. This paper outlines the steps required to provide a mature solution to the astronomical community with a minimal investment, building on years of planning and investments already completed at JPL.

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