Abstract

We describe the properties of a prototype bolometer operating at liquid nitrogen temperature based on a Bi 2Sr 2CaCu 2O 8+x single crystal 15 μm thick grown by the flux method. The use of thin single crystals having low thermal capacities was suggested by the request of decreasing the response time τ of the device. Preliminary results indicate that single-crystal-based far infrared bolometers can be competitive with the commercial detectors operating at room temperature.

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