FAR INFRARED RESPONSE OF THIN-FILM BI2SR2CACU2O8 USING A FREE-ELECTRON LASER

PRETTL, W and LENGFELLNER, H and KAMINSKI, JP and SCHNEIDER, G and HUGGARD, PG and OBRIEN, T and BLAU, W (1992) FAR INFRARED RESPONSE OF THIN-FILM BI2SR2CACU2O8 USING A FREE-ELECTRON LASER. INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES, 13 (10). pp. 1659-1666. ISSN 0195-9271,

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Abstract

The far infrared response of granular thin-film Bi2Sr2CaCu2O8 superconductor has been investigated using long (almost-equal-to 5 mus) but sharply truncated free electron laser pulses in the frequency range between 50 cm-1 and 125 cm-1. Under constant current bias, a fast response and a slow bolometric signal component could be identified in this energy range, which is below the BCS energy gap (almost-equal-to 200 cm-1). Measurements of the power dependences of the signal voltages showed that both the fast and the thermal responses are consistent with the predictions of the resistively shunted Josephson junction model.

Item Type: Article
Uncontrolled Keywords: CU-O; MICROWAVE; SUPERCONDUCTORS; PHOTORESPONSE; RADIATION; LOSSES; HIGH-TC SUPERCONDUCTORS; FIR-DETECTION; FREE-ELECTRON-LASER
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:44
URI: https://pred.uni-regensburg.de/id/eprint/54355

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