We have developed a mini-coil pulsed magnet system with direct optical access, ideally suited for nonlinear and ultrafast spectroscopy studies of materials in high magnetic fields up to 30 T. The apparatus consists of a small coil in a liquid nitrogen cryostat coupled with a helium flow cryostat to provide sample temperatures down to below 10 K. Direct optical access to the sample is achieved with the use of easily interchangeable windows separated by a short distance of ∼135 mm on either side of the coupled cryostats with numerical apertures of 0.20 and 0.03 for measurements employing the Faraday geometry. As a demonstration, we performed time-resolved and time-integrated photoluminescence measurements as well as transmission measurements on InGaAs quantum wells.
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December 2013
Research Article|
December 27 2013
A table-top, repetitive pulsed magnet for nonlinear and ultrafast spectroscopy in high magnetic fields up to 30 T Available to Purchase
G. Timothy Noe, II;
G. Timothy Noe, II
1Department of Electrical and Computer Engineering,
Rice University
, Houston, Texas 77005, USA
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Hiroyuki Nojiri;
Hiroyuki Nojiri
2Institute for Materials Research,
Tohoku University
, Sendai 980-8577, Japan
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Joseph Lee;
Joseph Lee
1Department of Electrical and Computer Engineering,
Rice University
, Houston, Texas 77005, USA
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Gary L. Woods;
Gary L. Woods
1Department of Electrical and Computer Engineering,
Rice University
, Houston, Texas 77005, USA
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Jean Léotin;
Jean Léotin
3
Laboratoire National des Champs Magnétiques Intenses
, CNRS-UJF-UPS-INSA, Toulouse, France
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Junichiro Kono
Junichiro Kono
a)
1Department of Electrical and Computer Engineering,
Rice University
, Houston, Texas 77005, USA
4Department of Physics and Astronomy,
Rice University
, Houston, Texas 77005, USA and Department of Materials Science and NanoEngineering, Rice University, Houston, Texas 77005, USA
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G. Timothy Noe, II
1
Hiroyuki Nojiri
2
Joseph Lee
1
Gary L. Woods
1
Jean Léotin
3
Junichiro Kono
1,4,a)
1Department of Electrical and Computer Engineering,
Rice University
, Houston, Texas 77005, USA
2Institute for Materials Research,
Tohoku University
, Sendai 980-8577, Japan
3
Laboratoire National des Champs Magnétiques Intenses
, CNRS-UJF-UPS-INSA, Toulouse, France
4Department of Physics and Astronomy,
Rice University
, Houston, Texas 77005, USA and Department of Materials Science and NanoEngineering, Rice University, Houston, Texas 77005, USA
Rev. Sci. Instrum. 84, 123906 (2013)
Article history
Received:
October 13 2013
Accepted:
December 04 2013
Citation
G. Timothy Noe, Hiroyuki Nojiri, Joseph Lee, Gary L. Woods, Jean Léotin, Junichiro Kono; A table-top, repetitive pulsed magnet for nonlinear and ultrafast spectroscopy in high magnetic fields up to 30 T. Rev. Sci. Instrum. 1 December 2013; 84 (12): 123906. https://doi.org/10.1063/1.4850675
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