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Feasibility of infrared imaging arrays using high-Tc superconducting bolometers (1992)

Verghese, S. ; Richards, P. L. ; Char, K. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 71 (1992), S. 2491-2498

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The design of high-Tc superconducting bolometers for applications such as infrared imaging arrays is discussed. The dependence of bolometer sensitivity on excess voltage noise in the thermometer is a function of the detector area and thus of the wavelength to be detected. Measurements of the voltage noise in thin films of YBa2Cu3O7−δ on Si, Si3N4, and sapphire substrates are used to predict the performance of different bolometer architectures. Useful opportunities exist for bolometers made on both Si and Si3N4 membranes. A readout scheme for two-dimensional arrays of bolometers is also described in which real-time signal integration is performed on the chip.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.351063

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