Multifrequency probe for pulsed EPR and ENDOR spectroscopy

Nikolai I. Avdievich; Gary J. Gerfen

doi:10.1006/jmre.2001.2450

Multifrequency probe for pulsed EPR and ENDOR spectroscopy

Nikolai I. Avdievich, Gary J. Gerfen

Physiology & Biophysics

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The design, construction, and performance of a multifrequency pulsed EPR and ENDOR probe for use at cryogenic temperatures are described. Interchangeable resonators based on a folded strip line design allow variation of the resonance frequency over a range of 5-11 GHz. Variable coupling to the resonator is achieved capacitively via a simple mechanical adjustment which is thermally and mechanically stable. The entire assembly is robust and easily fabricated. Common methods of analyzing the resonator parameters such as the Q-factor and coupling coefficient are discussed quantitatively. Probe performance data and multifrequency pulsed ENDOR spectra are presented.

Original language	English (US)
Pages (from-to)	178-185
Number of pages	8
Journal	Journal of Magnetic Resonance
Volume	153
Issue number	2
DOIs	https://doi.org/10.1006/jmre.2001.2450
State	Published - Jan 1 2001

ASJC Scopus subject areas

Biophysics
Biochemistry
Nuclear and High Energy Physics
Condensed Matter Physics

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