Accession Number:

AD0621012

Title:

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

Descriptive Note:

Corporate Author:

FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s):

Report Date:

1965-06-25

Pagination or Media Count:

17.0

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 21. The working frequency is 9690 Mc. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE