AN ULTRASONIC INTERFEROMETER FOR HIGH-PRESSURE RESEARCH
Ultrasonic interferometer for high-pressure research
SEARCH · Search NASA
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Ultrasonic interferometer for high-pressure research
Single station doppler-interferometer rocket tracking system
Common path interferometer using two fresnel zone plates for diffraction beam splitting, is applied to the testing of unit magnification optics
Single plane parallel plate as lateral shearing interferometer with visible helium-neon gas laser
Radial shearing interferometer based on law of refraction
Common path interferometer, using two fresnel zone plates for diffraction beam splitting, is applied to the testing of unit magnification optics
Variations in signal levels received by radio interferometer system for various trajectories and altitudes of reentering Apollo command module
Digital computer simulation of infrared interferometer, spectrometer, and interferogram analysis
Apollo spacecraft reentry tracking with shipboard unified S-band interferometer system
Mars surface and atmosphere characteristics from thermal emission spectrum measurement by infrared interferometer on planetary flyby spacecraft
Fourier-transform spectroscopy using holographic imaging without computing and with stationary interferometers
Interferometer application to optical instrument testing, double star separation measurements, and photoelectric techniques for stellar diameter measurements
Three antenna signals for real time data feed to interferometer system
Instrument function of diagonal motion, wide angle Michelson interferometer spectrometer
Power response of two-element interference frequency correlation interferometer to point source of broadband random noise
High Q Fabry-Perot interferometer for measurement of atmospheric gas losses, particularly water vapor absorption, using coherent light source in 100-300 gc frequency range
Random error estimation for Mach-Zehnder interferometer interference fringe measurements
Automatic control of spacing of Fabry-Perot interferometers to transmit at given wavelength