Detection of light using high temperature superconducting microstrip lines

Conference · Fri Mar 01 04:00:00 EST 1991 · IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)

OSTI ID:5845316

Culbertson, J C; Newman, H S; Strom, U; Pond, J M; Chrisey, D B; Horwitz, J S; Wolf, S A ^[1]

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1. Naval Research Lab., Washington, DC (United States)

This paper reports the results of measurements of the effects of external light on the transmission of microwaves through superconducting YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} microstrip lines. The microstrip geometries used include an asymmetric ring and a meander path. Measurements were made as a function of the microwave frequency (up to 12 GHz), as a function of temperature (above to below the superconducting transition temperature), and as a function of microwave power. The authors observed a position dependent photoresponse due to local variations in the T{sub c} of the superconductor - caused by locally varying microwave current densities (standing wave component). At low microwave powers this technique can be used to optically probe the local character of the superconducting film without having to move contacts over the film. The asymmetric ring microstrip interferometer was observed to show light induced shifts in the null frequencies due to the kinetic inductance effect.

• OSTI ID: 5845316
• Report Number(s): CONF-900944--
• Conference Information: Journal Name: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) Journal Volume: 27:2
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CRITICAL TEMPERATURE
CURRENT DENSITY
ELECTROMAGNETIC RADIATION
FILMS
FUNCTIONS
MICROWAVE RADIATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
RESPONSE FUNCTIONS
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
TRANSMISSION
VISIBLE RADIATION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES