A table-top, repetitive pulsed magnet for nonlinear and ultrafast spectroscopy in high magnetic fields up to 30 T

G. Timothy Noe, Hiroyuki Nojiri, Joseph Lee, Gary L. Woods, Jean Léotin, Junichiro Kono

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number123906
JournalReview of Scientific Instruments
Volume84
Issue number12
DOIs
Publication statusPublished - 2013 Dec

ASJC Scopus subject areas

  • Instrumentation

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