ELECTRON PARAMAGNETIC RESONANCE SPECTROMETER WITH FREQUENCY AND MAGNETIC-FIELD MODULATION,

Abstract

A new electron paramagnetic resonance spectrometer is described. Its distinctive characteristic is the use of combined frequency-and magnetic-field modulation. Its structure is simplified as a result. Due to the use of magic tee balance adjustment and application of a positive bias voltage to the microwave crystal diode, its noise level is reduced almost that of thermal noise. It has increased detection efficiency and higher sensitivity. The signal of 5 x 10 to the -9th power molar DPPH can be observed on the oscilloscope. The signal-to-noise ratio is 2:1. The working frequency is 9690 Mc. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 25, 1965
Accession Number
AD0621012

Entities

People

  • Tuong Tai-chian

Organizations

  • National Air and Space Intelligence Center

Tags

DTIC Thesaurus Topics

  • Electron Paramagnetic Resonance
  • Electrons
  • Frequency
  • Magnetic Fields
  • Magnetic Properties
  • Modulation
  • Paramagnetic Resonance
  • Resonance
  • Resonant Frequency
  • Spectrometers

Readers

  • Electronics Engineering
  • Materials Science and Engineering.
  • Plasma Physics / Magnetohydrodynamics

Technology Areas

  • Microelectronics