Development of 30 micrometers extrinsic silicon multiplexed infrared deterctor array

Computer Science – Performance

Scientific paper

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Arrays, Fabrication, Infrared Detectors, Multiplexing, Performance Tests, Silicon, Antimony, Doped Crystals, Field Effect Transistors, Infrared Astronomy, Pixels

Scientific paper

Two hybrid infrared (IR) detector arrays of antimony-doped silicon (Si:Sb) were produced and tested to evaluate their potential for use in low-background IR astronomy applications. The format of the arrays is 58 x 62 elements, with 76 micron-square pixels. A random-access, switched metal-oxide semiconductor field effect transistor (MOSFET) silicon multiplexer is used to read out the array elements. Reduced-background tests of signal, noise, and noise equivalent power were conducted over the temperature range 3.2 to 12 K. The arrays were found to have good sensitivity and good uniformity.

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