interferogram


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.
Related to interferogram: Fourier transform

interferogram

[‚in·tə′fir·ə‚gram]
(graphic arts)
A photograph of a shock wave or other fluid flow, produced with the aid of an interferometer, in which the displacement of interference fringes is proportional to the density change across the fluid.
(spectroscopy)
A graph of the variation of the output signal from an interferometer as the condition for interference within the interferometer is varied.
References in periodicals archive ?
The functions [psi]b(k) and a(k) are related to the interferogram f(z) and the constant C as
Similarly, we also created an interferogram for flat protrusion-free heat exchange areas located in the channel also in a forced convection.
However, no frequency dependence is mentioned, presumably because the loss for each interferogram cannot be dissected in these terms.
To improve measurement accuracy a software for interferogram acquisition and evaluation was developed (Figure 4).
Single-Image Interferogram Demodulation (Manuel Servin, Julio Estrada, and Antonio Quiroga).
When recovering such hologram both fixed images of the page interfere one with another making a holographic interferogram (hereinafter--interferogram).
Sixteen scans of the interferogram were coadded, representing a data acquisition time of about one hour for each spectrum.
1, c interferogram of hard disc is obtained by the method of double exposure, under the changing temperature regime.
This method gave us a double-exposure holographic interferogram which presents the state of object at the moment of the second exposure.
Two retro-mirrors, each consisting of a plane mirror and a parabolic mirror, are used; one retro-mirror is held fixed while the other is scanned to obtain the interferogram (the Fourier transform of the spectrum).
One of these programs allow for the most common interferogram types, test patterns or transverse or wave aberration functions to be displayed on the computer.