Results 141 to 150 of about 10,806,149 (217)

Laser interferometric techniques in orthopaedics

Journal of Medical Engineering & Technology, 1991
(1991). Laser interferometric techniques in orthopaedics. Journal of Medical Engineering & Technology: Vol. 15, No. 6, pp. 209-221.
J C, Shelton, D M, Katz
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Interferometric Scattering (iSCAT) Microscopy and Related Techniques

Biological and Medical Physics, Biomedical Engineering, 2018
Interferometric scattering (iSCAT) microscopy is a powerful tool for label-free sensitive detection and imaging of nanoparticles to high spatiotemporal resolution. As it was born out of detection principles central to conventional microscopy, we begin by
Richard W. Taylor, V. Sandoghdar
semanticscholar   +1 more source

Interferometric technique with a reference scale

Applied Optics, 2022
A double interferometer technique is presented. One interferometer generates a reference scale, while the other one is used as a measuring tool. The presented apparatus makes it possible to overcome 2 π ambiguity by monitoring the phase difference at short time or space intervals.
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Coating techniques in optical interferometric metrology

Applied Optics, 1997
In optical interferometry diffuse reflectivity of the surface under study should be high and homogeneous. Application of a white reflective coating can strongly improve measurement results. The optical properties of bronze powder, TiO(2) powder, white Chinese ink, and MgO coatings are discussed.
Dirckx, Joris, Decraemer, Willem
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A review of selected topics in interferometric optical metrology

Reports on progress in physics. Physical Society, 2019
This review gathers together 15 special topics in modern interferometric metrology representing a sampling of historical, current and future developments.
P. D. de Groot
semanticscholar   +1 more source

Comparison Of Interferometric Contouring Techniques

SPIE Proceedings, 1989
Projected fringe contouring, projection moire, shadow moire, and two-angle holographic contouring all measure surface height relative to a reference surface. A single theory can be used to describe all of these techniques. This paper compares these techniques with each other and with conventional interferometry.
Katherine Creath, James C. Wyant
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Low Coherence Interferometric Technique

2001
We propose an original technique based on low coherence interferometry to detect objects in strongly scattering media. In order to use broadband light, a special interferometer called the SISAM correlator is used to allow coherent superposition of the reference and tested beams.
G. Brun, I. Verrier, K. Ben Houcine, C. Veillas, J. P. Goure   +4 more
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Contactless interferometric incremental measurement technique

Measurement, 1988
Abstract This paper presents a measurement technique which makes it possible to scan varying interference patterns by using the incremental procedure (forward-backward counting method). The essence of this procedure is that the primary interference pattern is scanned point-shaped (with a very small detector area) and in a locally identical way.
-Ing H.-J. Büchner, sc techn G. Jäger
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A new interferometric alignment technique

Applied Physics Letters, 1977
A new interferometric alignment technique has been developed that is suitable for aligning x-ray lithography masks or photomasks relative to a substrate. A superposition precision of 200 Å has been demonstrated and in principle ∼100 Å should be possible.
D. C. Flanders, Henry I. Smith, Stewart Austin   +2 more
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New absolute distance interferometric technique

SPIE Proceedings, 2004
We present a new method for the measurement of the absolute distance of a remote target based on the laser diode self-mixing interferometry technique, assisted by an electronic feedback loop capable of increasing the measurement accuracy. In this method, we use an electronic feedback loop to generate a wavelength change that exactly corresponds to one ...
S. Donati, G. Giuliani, NORGIA, MICHELE
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