Phase comparator apparatus and method
Abstract
This invention finds especially useful application for interferometer measurements made in plasma fusion devices (e.g., for measuring the line integral of electron density in the plasma). Such interferometers typically use very high intermediate frequencies (e.g., on the order of 10 to 70 MHz) and therefore the phase comparison circuitry should be a high speed circuit with a linear transfer characteristic so as to accurately differentiate between small fractions of interference fringes.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 5306123
- Application Number:
- ON: DE85017791
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; PLASMA DIAGNOSTICS; INTERFEROMETRY; ELECTROMAGNETIC RADIATION; PLASMA DENSITY; SPECIFICATIONS; RADIATIONS; 700102* - Fusion Energy- Plasma Research- Diagnostics
Citation Formats
Coffield, F E. Phase comparator apparatus and method. United States: N. p., 1985.
Web.
Coffield, F E. Phase comparator apparatus and method. United States.
Coffield, F E. Fri .
"Phase comparator apparatus and method". United States.
@article{osti_5306123,
title = {Phase comparator apparatus and method},
author = {Coffield, F E},
abstractNote = {This invention finds especially useful application for interferometer measurements made in plasma fusion devices (e.g., for measuring the line integral of electron density in the plasma). Such interferometers typically use very high intermediate frequencies (e.g., on the order of 10 to 70 MHz) and therefore the phase comparison circuitry should be a high speed circuit with a linear transfer characteristic so as to accurately differentiate between small fractions of interference fringes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Feb 01 00:00:00 EST 1985},
month = {Fri Feb 01 00:00:00 EST 1985}
}
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