Photoresponse of YBCO microthermometers below the transition temperature

D. Robbes; Laurence Mechin; C. Gunther; R. Desfeux; C. Maleville; Anne Ghis; Jean-Claude Villegier

doi:10.1117/12.176142

20 May 1994 Photoresponse of YBCO microthermometers below the transition temperature

D. Robbes, Laurence Mechin, C. Gunther, R. Desfeux, C. Maleville, Anne Ghis, Jean-Claude Villegier

Proceedings Volume 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric; (1994) https://doi.org/10.1117/12.176142
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

YBCO microthermometers to be used in composite bolometers are working either on the resistive transition or on the critical current transition, as shown earlier. YBCO microbridges obtained by different techniques and processes, of thicknesses varying from 30 nm to 200 nm, and of widths between 10 micrometers and 30 micrometers have been thus qualified. Results are in good accordance with those predicted by the simplified thermal model. A noise measurement has been made on the voltage fluctuations using a conventional current bias. The previously published results have been greatly improved in terms of sensitivity and detectivity, using either a constant current or a constant voltage DC bias.

Citation Download Citation

D. Robbes, Laurence Mechin, C. Gunther, R. Desfeux, C. Maleville, Anne Ghis, and Jean-Claude Villegier "Photoresponse of YBCO microthermometers below the transition temperature", Proc. SPIE 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric, (20 May 1994); https://doi.org/10.1117/12.176142

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