A 94-GHZ CONFOCAL FREQUENCY REFERENCE.
Rept. for Sep 65-Apr 66,
AEROSPACE CORP EL SEGUNDO CA LAB OPERATIONS
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The construction and calibration of a confocal wavemeter for the 94-GHz region is described. Material selection was predicted upon obtaining a frequency stability of 1 part in 100,000 per degree c over a 34 degree C temperature range. The system uses a 94-GHz signal generated from a crystal reference and phase-lock loop to calibrate the wavemeter. Several readout techniques are discussed 1 the conventional dip indication, 2 the pip obtained from the resonator used in the transmission mode, and 3 the measurement of the pip phase. The latter technique permits the resolution of 100 GHz or 1 part in 1,000,000. Author
- Test Facilities, Equipment and Methods