Optical response of highly oriented YBCO thin films

A thin-film transition edge bolometer was fabricated from laser ablated YBCO. The response to chopped 633-nm radiation was measured as a function of temperature, optical intensity, bias current, and signal frequency. At a chopping frequency of 1 Hz and a bias current of 100 mu A, the responsivity wa...

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Veröffentlicht in:IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1991-03, Vol.27 (2), p.2828-2831
1. Verfasser: Eidelloth, W.
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description A thin-film transition edge bolometer was fabricated from laser ablated YBCO. The response to chopped 633-nm radiation was measured as a function of temperature, optical intensity, bias current, and signal frequency. At a chopping frequency of 1 Hz and a bias current of 100 mu A, the responsivity was 10 V/W and the noise power was 39 nW/ square root Hz. At low frequencies the device showed all the characteristics of a bolometer. At higher frequencies, however, an additional component of the photo response was found. The magnitude of this component scales roughly like f/sup -0.5/. This additional response is thought to be caused by optically induced depinning of vortices.
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This additional response is thought to be caused by optically induced depinning of vortices.</description><subject>440500 -- Thermal Instrumentation-- (1990-)</subject><subject>ALKALINE EARTH METAL COMPOUNDS</subject><subject>Applied sciences</subject><subject>BARIUM COMPOUNDS</subject><subject>BARIUM OXIDES</subject><subject>BOLOMETERS</subject><subject>CHALCOGENIDES</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>COPPER COMPOUNDS</subject><subject>COPPER OXIDES</subject><subject>CRYSTAL STRUCTURE</subject><subject>Current measurement</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>FABRICATION</subject><subject>Frequency</subject><subject>FREQUENCY DEPENDENCE</subject><subject>FUNCTIONS</subject><subject>GRAIN ORIENTATION</subject><subject>Laser noise</subject><subject>Laser transitions</subject><subject>LASER-PRODUCED PLASMA</subject><subject>MEASURING INSTRUMENTS</subject><subject>MICROSTRUCTURE</subject><subject>Optical films</subject><subject>Optical noise</subject><subject>OPTICAL PROPERTIES</subject><subject>Optical vortices</subject><subject>ORIENTATION</subject><subject>OTHER INSTRUMENTATION</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHYSICAL PROPERTIES</subject><subject>PLASMA</subject><subject>RESPONSE FUNCTIONS</subject><subject>Semiconductor electronics. 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Microelectronics. Optoelectronics. Solid state devices</topic><topic>Superconducting devices</topic><topic>SUPERCONDUCTING FILMS</topic><topic>TEMPERATURE DEPENDENCE</topic><topic>Transistors</topic><topic>TRANSITION ELEMENT COMPOUNDS</topic><topic>VORTICES</topic><topic>Yttrium barium copper oxide</topic><topic>YTTRIUM COMPOUNDS 665412 -- Superconducting Devices-- (1992-)</topic><topic>YTTRIUM OXIDES</topic><toplevel>online_resources</toplevel><creatorcontrib>Eidelloth, W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics &amp; Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>OSTI.GOV</collection><jtitle>IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Eidelloth, W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical response of highly oriented YBCO thin films</atitle><jtitle>IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)</jtitle><stitle>TMAG</stitle><date>1991-03-01</date><risdate>1991</risdate><volume>27</volume><issue>2</issue><spage>2828</spage><epage>2831</epage><pages>2828-2831</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>A thin-film transition edge bolometer was fabricated from laser ablated YBCO. The response to chopped 633-nm radiation was measured as a function of temperature, optical intensity, bias current, and signal frequency. At a chopping frequency of 1 Hz and a bias current of 100 mu A, the responsivity was 10 V/W and the noise power was 39 nW/ square root Hz. At low frequencies the device showed all the characteristics of a bolometer. At higher frequencies, however, an additional component of the photo response was found. The magnitude of this component scales roughly like f/sup -0.5/. This additional response is thought to be caused by optically induced depinning of vortices.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.133798</doi><tpages>4</tpages></addata></record>
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identifier ISSN: 0018-9464
ispartof IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States), 1991-03, Vol.27 (2), p.2828-2831
issn 0018-9464
1941-0069
language eng
recordid cdi_osti_scitechconnect_5922449
source IEEE Electronic Library (IEL)
subjects 440500 -- Thermal Instrumentation-- (1990-)
ALKALINE EARTH METAL COMPOUNDS
Applied sciences
BARIUM COMPOUNDS
BARIUM OXIDES
BOLOMETERS
CHALCOGENIDES
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
Current measurement
Electronics
Exact sciences and technology
FABRICATION
Frequency
FREQUENCY DEPENDENCE
FUNCTIONS
GRAIN ORIENTATION
Laser noise
Laser transitions
LASER-PRODUCED PLASMA
MEASURING INSTRUMENTS
MICROSTRUCTURE
Optical films
Optical noise
OPTICAL PROPERTIES
Optical vortices
ORIENTATION
OTHER INSTRUMENTATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLASMA
RESPONSE FUNCTIONS
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
SUPERCONDUCTING FILMS
TEMPERATURE DEPENDENCE
Transistors
TRANSITION ELEMENT COMPOUNDS
VORTICES
Yttrium barium copper oxide
YTTRIUM COMPOUNDS 665412 -- Superconducting Devices-- (1992-)
YTTRIUM OXIDES
title Optical response of highly oriented YBCO thin films
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