TITLE

A 1-2 GHz pulsed and continuous wave electron paramagnetic resonance spectrometer

AUTHOR(S)
Quine, Richard W.; Rinard, George A.; Ghim, Bernard T.; Eaton, Sandra S.; Eaton, Gareth R.
PUB. DATE
July 1996
SOURCE
Review of Scientific Instruments;Jul96, Vol. 67 Issue 7, p2514
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Presents a microwave bridge that performs three types of electron paramagnetic experiments. Accomplishment of switching between experiments via front-panel switches; Design features and performances; Incorporation of a Smith chart display and phase adjustment meter for ease of tuning.
ACCESSION #
4271703

 

Related Articles

  • A novel probe head for high-field, high-frequency electron paramagnetic resonance. Annino, G.; Cassettari, M.; Longo, I.; Martinelli, M.; Van Bentum, P.J.M.; Van der Horst, E. // Review of Scientific Instruments;Mar99, Vol. 70 Issue 3, p1787 

    Focuses on a probe head especially useful for electron paramagnetic resonance (EPR) spectrometers working at high field-high frequency. Basis on the whispering gallery mode dielectric resonators; Excitation network's use of a properly shaped dielectric waveguide sharing its external field...

  • Computer-controlled pulsed electron-paramagnetic-resonance spectrometer. Mailer, C.; Danielson, J. D. S.; Robinson, Bruce H. // Review of Scientific Instruments;Oct85, Vol. 56 Issue 10, p1917 

    A computer-controlled electron-paramagnetic-resonance spectrometer for pulse and cw experiments is described. Particular features include: (i) a TWT microwave amplifier for high-power pump operation; (ii) a low-noise microwave amplifier for signal-to-noise improvement; (iii) the use of SPDT...

  • Phase noise reduction of a 19 GHz veractor-tuned Gunn oscillator for electron paramagnetic resonance spectroscopy. Lesniewski, P.; Hyde, James S. // Review of Scientific Instruments;Aug1990, Vol. 61 Issue 8, p2248 

    Klystrons are being replaced with solid-state microwave oscillators by designers of microwave bridges for electron paramagnetic resonance (EPR) spectroscopy. Veractor-tuned Gunn oscillators have a number of advantages, but phase noise 100 kHz from the carrier is excessive. A Pound-type dc...

  • New method for accurate calibration of an electron-spin polarimeter. Hopster, H.; Abraham, D. L. // Review of Scientific Instruments;Jan1988, Vol. 59 Issue 1, p49 

    A new method is described which allows the accurate absolute calibration of an electron-spin polarization analyzer. It is based on measuring spin–orbit-induced scattering asymmetries and simultaneous polarization analysis of the scattered electrons in elastic electron scattering. It is...

  • Electron paramagnetic resonance Q-band bridge with GaAs field-effect transistor signal amplifier and low-noise Gunn diode oscillator. Hyde, James S.; Newton, M. E.; Strangeway, Robert A.; Camenisch, Theodore G.; Froncisz, W. // Review of Scientific Instruments;Dec1991, Vol. 62 Issue 12, p2969 

    A Varian Q-band E-110 microwave bridge for electron paramagnetic resonance (EPR) spectroscopy has been modified by addition of a low-phase noise Gunn diode oscillator of our own design, a low-noise GaAs field-effect transistor microwave signal amplifier, and a balanced mixer requiring high input...

  • Probehead operating at 35 GHz for continuous wave and pulse electron paramagnetic resonance applications. Gromov, Igor; Forrer, Jörg; Schweiger, Arthur // Review of Scientific Instruments;Jun2006, Vol. 77 Issue 6, p064704 

    The design, construction, numerical modeling, and performance of a probehead for electron paramagnetic resonance (EPR) spectroscopy at 34–36 GHz is described. A classical cylindrical cavity operating in the TE011 mode with adjustable frequency and coupling has been found to be well suited...

  • Direct detection and time-locked subsampling applied to pulsed electron paramagnetic resonance imaging. Pursley, Randall H.; Salem, Ghadi; Pohida, Thomas J.; Devasahayam, Nallathamby; Subramanian, Sankaran; Krishna, Murali C. // Review of Scientific Instruments;May2005, Vol. 76 Issue 5, p053709 

    The application of direct time-locked subsampling (TLSS) to Fourier transform electron paramagnetic resonance (FT-EPR) spectroscopy at radio frequencies (rf) is described. With conventional FT-EPR spectroscopy, the high Larmor frequencies (Lf) often necessitate the use of intermediate frequency...

  • Pulsed Orotron—A new microwave source for submillimeter pulse high-field electron paramagnetic resonance spectroscopy. Grishin, Yu. A.; Fuchs, M.R.; Schnegg, A.; Dubinskii, A.A.; Dumesh, B.S.; Rusin, F.S.; Bratman, V.L.; Möbius, K. // Review of Scientific Instruments;Sep2004, Vol. 75 Issue 9, p2926 

    A vacuum-tube device for the generation of pulsed microwave radiation in the submillimeter range (up to 380 GHz) is presented, designed for use as a source in a 360 GHz high-field/high-frequency electron paramagnetic resonance (EPR) spectrometer—the pulsed Orotron. Analogous to the known...

  • Broadband (up to 10 GHz) electron-paramagnetic-resonance spectrometer: cw implementation with direct detection. Rubinson, Kenneth A. // Review of Scientific Instruments;Mar89, Vol. 60 Issue 3, p392 

    The design principles for a broadband (up to 10 GHz) electron-paramagnetic-resonance (EPR) spectrometer are presented. The upper frequency limit is determined by the losses in the coaxial cables. The sample is inserted along the central conductor at the end of a short-circuited coaxial line that...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics