Method for detection and imaging over a broad spectral range
Abstract
A method of controlling the coordinate sensitivity in a superconducting microbolometer employs localized light, heating or magnetic field effects to form normal or mixed state regions on a superconducting film and to control the spatial location. Electron beam lithography and wet chemical etching were applied as pattern transfer processes in epitaxial Y--Ba--Cu--O films. Two different sensor designs were tested: (i) a 3 millimeter long and 40 micrometer wide stripe and (ii) a 1.25 millimeters long, and 50 micron wide meandering-like structure. Scanning the laser beam along the stripe leads to physical displacement of the sensitive area, and, therefore, may be used as a basis for imaging over a broad spectral range. Forming the superconducting film as a meandering structure provides the equivalent of a two-dimensional detector array. Advantages of this approach are simplicity of detector fabrication, and simplicity of the read-out process requiring only two electrical terminals.
- Inventors:
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 915752
- Patent Number(s):
- 7274019
- Application Number:
- 11/190,784
- Assignee:
- CHO
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
- DOE Contract Number:
- W-31109-ENG-38
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Yefremenko, Volodymyr, Gordiyenko, Eduard, Pishko, Olga, Novosad, Valentyn, and Pishko, Vitalii. Method for detection and imaging over a broad spectral range. United States: N. p., 2007.
Web.
Yefremenko, Volodymyr, Gordiyenko, Eduard, Pishko, Olga, Novosad, Valentyn, & Pishko, Vitalii. Method for detection and imaging over a broad spectral range. United States.
Yefremenko, Volodymyr, Gordiyenko, Eduard, Pishko, Olga, Novosad, Valentyn, and Pishko, Vitalii. Tue .
"Method for detection and imaging over a broad spectral range". United States. https://www.osti.gov/servlets/purl/915752.
@article{osti_915752,
title = {Method for detection and imaging over a broad spectral range},
author = {Yefremenko, Volodymyr and Gordiyenko, Eduard and Pishko, Olga and Novosad, Valentyn and Pishko, Vitalii},
abstractNote = {A method of controlling the coordinate sensitivity in a superconducting microbolometer employs localized light, heating or magnetic field effects to form normal or mixed state regions on a superconducting film and to control the spatial location. Electron beam lithography and wet chemical etching were applied as pattern transfer processes in epitaxial Y--Ba--Cu--O films. Two different sensor designs were tested: (i) a 3 millimeter long and 40 micrometer wide stripe and (ii) a 1.25 millimeters long, and 50 micron wide meandering-like structure. Scanning the laser beam along the stripe leads to physical displacement of the sensitive area, and, therefore, may be used as a basis for imaging over a broad spectral range. Forming the superconducting film as a meandering structure provides the equivalent of a two-dimensional detector array. Advantages of this approach are simplicity of detector fabrication, and simplicity of the read-out process requiring only two electrical terminals.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 25 00:00:00 EDT 2007},
month = {Tue Sep 25 00:00:00 EDT 2007}
}