Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves
Patent
1984-02-24
1986-07-01
Levy, Stewart J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Analysis of complex waves
324 77B, 324 95, G01R 2316
Patent
active
045982473
ABSTRACT:
A spectrum analyzer for analyzing electromagnetic radiation which may be utilized to determine the radiation wavelength and power. The analyzer includes a gas filled chamber which has a collimating lens through which radiation is injected, and a reflective plate that reflects the radiation back toward the lens. A standing wave is created within the chamber having spatially periodic peaks. The chamber gas pressure is regulated to a pressure such that gas breakdown occurs, thereby generating a light pattern at each standing wave peak. The patterns are then photographed, and the patterns' diameters and spacing are measured from the resulting photograph. From the spacing and diameter obtained, wavelength and power may be calculated.
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C. W. Roberson et al., "A Free-Electron Laser Driven by a Long-Pulse Induon Linac"; Infrared and Millimeter Waves, vol. 10 Millimeter Components and Techniques, Part II; 1983; pp. 361-398.
F. Mako et al., "A Broadband High Power Millimeter to Centimeter Spectrometer", NRL Report No. 4945; May 20, 1983.
C. W. Roberson et al., "A Free Electron Laser Driven by a Long Pulse Induction Linac"; NRL Memorandum Report 5013; Mar. 7, 1983.
Mako Frederick M.
Pasour John A.
Roberson Charles W.
Beers Robert F.
Levy Stewart J.
O'Shea Kevin D.
Sharp William R.
Sheinbein Sol
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