Search Results: Interferogram

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Wave interference
Kamis, 2026-06-25 18:38:49

In physics, interference is a phenomenon in which two coherent waves are combined by adding their intensities or displacements with due consideration for...

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Fourier-transform infrared spectroscopy
Minggu, 2026-08-16 08:58:25

interferogram is obtained by varying the OPD and recording the signal from the detector for various values of the OPD. The form of the interferogram when...

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Interferometric synthetic-aperture radar
Jumat, 2026-07-17 16:39:58

hence be removed from the interferogram. Once the ground effects have been removed, the major signal present in the interferogram is a contribution from...

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Optical resolution
Rabu, 2026-01-28 05:13:50

aliased and phase-reversed. When using other methods, including the interferogram, sinusoid, and the edge in the ISO 12233 target, it is possible to compute...

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Optical vortex
Minggu, 2026-08-16 09:28:38

ultra-short lasers. Computer-generated holograms (CGHs) are the calculated interferogram between a plane wave and a Laguerre-Gaussian beam which is transferred...

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White light interferometry
Sabtu, 2026-01-31 01:25:50

Above: White light Interferogram, Below: Red-, Green- and Blue channels of the White light interferogram shown above...

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Fourier-transform spectroscopy
Selasa, 2025-09-30 23:18:53

"Fourier-transform spectroscopy"). The raw data is sometimes called an "interferogram". Because of the existing computer equipment requirements, and the ability...

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Interferometry
Minggu, 2026-08-16 09:09:59

analysis of the intensity variations in an interferogram is thrown away. Finally, with static interferograms, additional information is needed to determine...

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Phase-shifting interferometry
Senin, 2026-08-24 14:15:29

sub-nanometre precision. It works by recording a short sequence of interferograms, each captured with a known phase offset between the reference and object...

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N-slit interferometer
Senin, 2025-09-29 14:36:33

generation and measurement of complex interference patterns. These interferograms are accurately reproduced, or predicted, by the N-slit interferometric...

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Synthetic-aperture radar
Sabtu, 2026-06-27 00:39:40

simple. One interferogram is created from the first two images; this is also called the reference interferogram or topographical interferogram. A second...

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Acoustic holography
Minggu, 2026-06-07 17:19:19

recorded as a two-dimensional pattern called a hologram (a type of interferogram). The hologram contains information about the phase and amplitude of...

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Hubble Space Telescope
Minggu, 2026-08-23 15:23:57

used by Perkin-Elmer to figure the mirror, as well as by analyzing interferograms obtained during ground testing of the mirror. Because of the way the...

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Atmospheric correction for interferometric synthetic aperture radar technique
Selasa, 2026-06-23 07:26:48

displacement from an interferogram caused by the effect of weather variables such as humidity, temperature, and pressure. An interferogram is generated by...

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2023 Turkey–Syria earthquakes
Rabu, 2026-08-12 19:18:47

Interferogram of the Mw7.8 mainshock...

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Air-wedge shearing interferometer
Minggu, 2025-10-05 13:09:30

[specify] The overlap of beams 2 and 3 in the image plane creates an interferogram. To minimize image aberrations the angle plane of the glass wedges has...

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N-slit interferometric equation
Senin, 2026-08-10 13:57:59

described. Although originally derived to reproduce and predict N-slit interferograms, this equation also has applications to other areas of optics. In this...

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Michelson interferometer
Selasa, 2026-07-21 17:49:26

interferometer, but for simplicity, the illustration does not show this.) An interferogram is generated by making measurements of the signal at many discrete positions...

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Infrared spectroscopy
Selasa, 2026-08-11 18:22:35

through the interferometer. The signal directly recorded, called an "interferogram", represents light output as a function of mirror position. A data-processing...

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Stationary-wave integrated Fourier-transform spectrometry
Jumat, 2023-08-04 00:24:14

the waveguide are then sampled by optical probes. This results in an interferogram. A mathematical function known as a Lippmann transform, similar to a...

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Rayleigh interferometer
Minggu, 2022-11-06 04:50:39

Collimated coherent light passing through two tubes with different refraction index gases, then an imaging lens creates the interferogram....

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Digital holography
Senin, 2026-08-17 06:37:10

reconstruction of object data is performed numerically from digitized interferograms. Digital holography offers a means of measuring optical phase data and...

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Electron holography
Kamis, 2025-07-24 13:18:13

vacuum edge; parallel to this edge one can see the phase planes of the interferogram, which is part of the image and from which the phase information can...

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Methods of detecting exoplanets
Minggu, 2026-08-23 09:19:56

8799 e, using optical interferometry. By looking at the wiggles of an interferogram using a Fourier-Transform-Spectrometer, enhanced sensitivity could be...

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Fourier-transform ion cyclotron resonance
Selasa, 2026-07-28 03:15:14

resulting signal is called a free induction decay (FID), transient or interferogram that consists of a superposition of sine waves. The useful signal is...

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Optical coherence tomography
Jumat, 2026-08-14 23:51:34

spectral interferogram is acquired sequentially by tuning the wavelength of a laser light source. SD-OCT acquires a spectral interferogram simultaneously...

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OLED
Rabu, 2026-08-26 13:14:07

"Coherent electrically excited organic semiconductors: visibility of interferograms and emission linewidth". Optics Letters. 32 (4): 412–4. Bibcode:2007OptL...

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White light scanner
Selasa, 2026-06-16 08:53:40

white-light interferogram, the localized phase of the interferogram, or a combination of both shape and phase. The white light interferogram actually consists...

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Food physical chemistry
Senin, 2026-05-18 20:41:56

An FTIR interferogram. The central peak is at zero retardation, ZPD) where the maximum amount of light passes through the interferometer to the detector...

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Culture of Japan
Senin, 2026-08-24 11:33:50

Foreign Affairs Japan. Retrieved 14 August 2025. "Fig. 5. Fragments of interferograms: a - from January 8, 2007– February 28, 2009, b - from January 11, 2008–...

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1999 İzmit earthquake
Rabu, 2026-08-05 07:45:41

An interferogram image of the rupture caused by the earthquake...

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Deformation (volcanology)
Selasa, 2026-06-23 02:26:35

Interferogram produced with the Italian Space Agency's (ASI) constellation of COSMO-SkyMed radar satellites over Kilauea, Hawaii, showing ground deformation...

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Quantum optical coherence tomography
Rabu, 2025-12-10 08:24:28

the same source bandwidth; interferogram components that are insensitive to even-order dispersion of the medium; interferogram components that are sensitive...

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Aspheric lens
Minggu, 2026-05-10 19:03:18

beam reflected from the surface to be measured, error maps, known as interferograms, are created which represent a full-field deviation of the surface shape...

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Noise (signal processing)
Selasa, 2026-05-12 01:46:48

brightness or contrast Speckle noise, typical of radar imaging and interferograms Film grain in analog photography Compression artifacts or "mosquito...

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Zernike polynomials
Rabu, 2026-08-12 14:32:49

0 instead of 1 (subtract 1). This method is commonly used including interferogram analysis software in Zygo interferometers and the open source software...

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Central Valley land subsidence
Rabu, 2026-01-28 00:01:41

InSAR data from NASA's Jet Propulsion Laboratory in conjunction with interferograms to interpret the topographic change captured by satellite imagery. Continuous...

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F. J. Duarte
Selasa, 2026-03-03 21:51:54

demonstrating non-destructive (or soft) interception of propagating interferograms. A spin-off of this research, with applications to the aviation industry...

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Pragma (album)
Senin, 2025-12-29 01:12:41

the works of established composers, for example Morton Subotnick on "Interferogram". Cowley noted that, as on his previous solo album, Each in Our Own...

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Photoplethysmogram
Sabtu, 2026-03-28 00:01:52

component analysis of digital holograms reconstructed from digitized interferograms acquired at rates beyond ~1000 frames per second reveals surface waves...

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ROI PAC
Rabu, 2025-08-20 00:41:14

and Caltech for processing SAR images to create InSAR images, named interferograms. ROI_PAC stands for Repeat Orbit Interferometry PACkage. It is a UNIX...

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Nano-FTIR
Minggu, 2026-08-16 13:05:40

translating the reference mirror yields an interferogram. The subsequent Fourier transform of this interferogram returns the near-field spectra of the sample...

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Lucy (spacecraft)
Jumat, 2026-07-24 07:17:55

5 mrad. L'TES has one mode of taking data. It continuously collects interferograms (every 0.5, 1.0, or 2.0 s) and transfers them to the spacecraft for...

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Juliet Biggs
Selasa, 2026-03-24 19:56:49

Biggs; Tim Wright; Zhong Lu; Barry Parsons (September 2007). "Multi-interferogram method for measuring interseismic deformation: Denali Fault, Alaska"...

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Dual-polarization interferometry
Selasa, 2025-07-15 07:45:41

excite two polarization modes of the waveguides. Measurement of the interferogram for both polarizations allows both the refractive index and the thickness...

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Holographic interference microscopy
Selasa, 2026-01-13 00:01:06

the phase micro-objects under study. The image can be considered as interferogram in interference fringes of infinite width. The method solves the same...

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Total Carbon Column Observing Network
Senin, 2026-07-20 13:49:40

retrieval software. GGG is the software of the TCCON. It includes the I2S (interferogram to spectrum) FFT, and GFIT spectral fitting subroutines. GFIT is also...

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Vibrational analysis with scanning probe microscopy
Selasa, 2026-08-11 19:44:15

approach used for AFM-FTIR. The output from the probe resembles an interferogram and is Fourier-transformed to obtain the infrared absorption spectrum...

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Seismic interferometry
Sabtu, 2026-04-04 00:10:19

first. Seismic interferometry is fundamentally similar to the optical interferogram produced by the interference of a direct and reflected wave passing...

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Penning trap
Sabtu, 2026-01-24 02:12:13

resulting signal is called a free induction decay (fid), transient or interferogram that consists of a superposition of sine waves. The useful signal is...

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Ultrashort pulse
Rabu, 2026-05-13 02:46:08

SI, but which requires integration of the phase extracted from the interferogram to obtain the probe pulse phase. Frequency-resolved optical gating (FROG)...

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2017 Aegean Sea earthquake
Senin, 2026-07-27 10:40:07

and displacement of the mainshock faulting were observed via GPS and interferograms. Most of the deformation was observed in Karaada, near the epicenter...

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Spectral interferometry
Sabtu, 2026-02-21 04:39:44

detector or a simple camera, the whole interferogram can be recorded simultaneously. Furthermore, the interferogram is not nullified by small fluctuations...

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2018 lower Puna eruption
Rabu, 2026-06-24 09:41:59

Retrieved May 22, 2018. ESA [@@ESA_EO] (May 15, 2018). "Updated #Kīlauea interferogram May 7–13, 6 PM local time: after the eruption of the volcano & a 6.9...

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Infrared atmospheric sounding interferometer
Selasa, 2026-08-11 16:28:33

across track and the onboard calibration. The former consists of 120 interferograms, each one corresponding to one pixel. Of course, as researchers are...

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Phase retrieval
Senin, 2026-07-27 13:35:45

Wolfgang; Zhang, Yan (2005). "Wave-front reconstruction from a sequence of interferograms recorded at different planes". Optics Letters. 30 (8): 833–835. doi:10...

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2019 Cotabato earthquakes
Senin, 2026-07-27 05:33:00

Sentinel-1, while the other also included information from ALOS-2. InSAR interferograms can be used to detect and quantify ground deformation associated with...

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Richard Goldstein (astronomer)
Jumat, 2026-07-17 11:27:25

parameter |citeseerx= (help) Goldstein, R. M.; Werner, C. L. (1998). "Radar interferogram filtering for geophysical applications". Geophysical Research Letters...

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Laser Doppler imaging
Selasa, 2026-08-11 23:38:53

compute Doppler-sensitive perfusion and flow-contrast maps. In LDH, an interferogram is recorded on a high-speed camera, digitally propagated to reconstruct...

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Tim Hodgkinson
Jumat, 2026-04-10 17:45:57

voices. c 7' For Looking Inside (1997) – for 3 prepared violas. c 10'30" Interferogram (1997) – for large ensemble. c 10' Mala; Elated (1997) – for clarinet...

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Spectroscopic optical coherence tomography
Selasa, 2026-08-25 08:12:26

discussed in Bosscharrt et al. The general form of the detected OCT interferogram is written as: i d = | E s | 2 + | E r | 2 + 2 { E s E r cos ⁡ ( k 2...

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Spectral phase interferometry for direct electric-field reconstruction
Jumat, 2025-10-31 08:10:16

described by Takeda. The first step involves Fourier transforming the interferogram into the pseudo time domain: S ~ ( t ~ ) = F [ S ( ω ) ] = E ~ d c (...

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Point diffraction interferometer
Senin, 2026-01-05 13:01:34

Petrova, Natalia; Abels, Artur (2012-12-18). "Alignment of phase-shifting interferograms in the two-beam point diffraction interferometer". In Mazuray, Laurent;...

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Remote sensing in geology
Senin, 2026-08-17 11:46:09

reveal displacement, assuming no ground change. A displacement map (interferogram) is generated to visualize the changes with a precision up to a half...

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Photothermal microspectroscopy
Selasa, 2023-02-07 05:42:01

resultant measured temperature fluctuations provide an interferogram that replaces the interferogram obtained by a conventional FTIR setup, e.g., by direct...

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Holographic interferometry
Selasa, 2026-03-03 00:42:31

slow (e.g. video rate) camera will record time-averaged holographic interferograms which will result in lowpass filtering of the optical fluctuation signal...

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2019 Davao del Sur earthquake
Senin, 2026-08-10 10:14:05

Sentinel-1, while the other also included information from ALOS-2. InSAR interferograms can be used to detect and quantify ground deformation associated with...

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Organic laser
Senin, 2025-10-27 13:15:52

" Coherent emission, characterized via high-visibility double-slit interferograms (V ~ 0.9) and near diffraction-limited beam divergence, has been reported...

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Phase-contrast X-ray imaging
Selasa, 2026-08-18 21:24:48

method can be used to extract the phase shift information with only one interferogram, thus shortening the exposure time, but this has the disadvantage of...

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Infrared Nanospectroscopy (AFM-IR)
Minggu, 2026-08-16 12:46:04

conventional AFM probe to detect the thermal expansion. He reported an interferogram but not a spectrum; the first infrared spectrum obtained in this way...

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QuakeSim
Kamis, 2026-01-22 18:48:44

Seismicity data Processed Interferometric Synthetic Aperture Radar (InSAR) Interferograms from existing satellites This information plays a big role in the process...

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Multiple scattering low coherence interferometry
Kamis, 2026-08-06 13:20:19

domain, and a short-time Fourier transform method is used to process the interferograms as in spectroscopic OCT. Because of enhanced depth penetration, this...

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Incoherent broad-band cavity-enhanced absorption spectroscopy
Minggu, 2026-04-05 20:08:42

spectrum is reconstructed taking the Fourier transform of the recorded interferogram. Similar to other cavity enhanced spectroscopic techniques, in IBBCEAS...

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Andrea Fischer (scientist)
Sabtu, 2025-10-18 17:22:04

she used European Remote-Sensing Satellite synthetic-aperture radar interferograms to monitor surges of glaciers in the Vatnajökull ice cap. Her research...

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