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Resonant bolometer: results and an application

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Abstract

By using a capacitor in parallel with a semiconducting bolometer, the inductive part of the bolometer impedance is resonated out. The resultant system is a bolometer with a resonant response over a band of ≈2 Hz. This can be viewed as an amplifier with the potential of large gain, with no decrease in signal-to-noise ratio. The resonant bolometer may be useful for very low temperature bolometers, where one could boost the bolometer noise over the amplifier noise.

© 1985 Optical Society of America

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