Speckle reduction in visible-light optical coherence tomography using scan modulation

I Rubinoff, L Beckmann, Y Wang, AA Fawzi… - …, 2019 - spiedigitallibrary.org
… to reduce speckle in visible-light optical coherence tomography (… modulate B-scans
orthogonally to their axis of acquisition. Such modulation enables acquisition of uncorrelated speckle

Optical coherence tomography speckle reduction by a partially spatially coherent source

J Kim, DT Miller, E Kim, S Oh, J Oh… - Journal of Biomedical …, 2005 - spiedigitallibrary.org
speckle reduction with a partially spatially coherent source, we record low-coherence
integral 29 of amplitudes reflected from the sample modulated by point-spread function [ h ( …

Aperture phase modulation with adaptive optics: a novel approach for speckle reduction and structure extraction in optical coherence tomography

P Zhang, SK Manna, EB Miller, Y Jian… - Biomedical optics …, 2019 - opg.optica.org
speckle contrast (NSC) metric to quantify speckle reduction in multi-frame averaging. The
averaging of independent speckle … the primary mechanism by which speckle is reduced. If in a …

Optical coherence modulation by ultrasonic waves. 2: Application to speckle reduction

Y Imai, M Imai, Y Ohtsuka - Applied Optics, 1980 - opg.optica.org
… Use of this double phase-modulation scheme is expected to remove speckle more effectively.
The … for speckle reduction in an image plane by the double phase-modulation technique. …

Speckle in optical coherence tomography

JM Schmitt, SH Xiang, KM Yung - Journal of biomedical optics, 1999 - spiedigitallibrary.org
… of speckle in OCT. The concepts of signal-carrying and signal-degrading speckle are defined
… In the remaining half of the paper, four speckle-reduction methods—polarization diversity, …

Speckle-modulating optical coherence tomography in living mice and humans

O Liba, MD Lew, ED SoRelle, R Dutta, D Sen… - Nature …, 2017 - nature.com
… As a consequence, OCT is susceptible to coherent noise (specklespeckle-modulating
OCT (SM-OCT), a method based purely on light manipulation that virtually eliminates speckle

Speckle in optical coherence tomography: an overview

JM Schmitt, SH Xiang, KM Yung - Saratov Fall Meeting'98 …, 1999 - spiedigitallibrary.org
Speckle arises as a natural consequent of the limited spatial-frequency bandwidth of the …
optical coherence tomography (OCT). In images of highly scattering biological tissues, speckle

Array detection for speckle reduction in optical coherence microscopy

JM Schmitt - Physics in Medicine & Biology, 1997 - iopscience.iop.org
Modulation of interference signal was accomplished by translating the stage parallel to the
… In this study we investigated a speckle reduction method for optical-coherence microscopy …

Speckle reduction in laser projections with ultrasonic waves

L Wang, TT Tschudi, M Boeddinghaus… - Optical …, 2000 - spiedigitallibrary.org
… to eliminate speckles in the far field by modulating a laser … We found experimentally that
phase modulation of the laser … control of spatial coherence and will remove speckle more effec…

Speckle reduction in coherent information processing

T Iwai, T Asakura - Proceedings of the IEEE, 1996 - ieeexplore.ieee.org
… the control of spatial coherence using an ultrasonic light modulator and applied it to the …
effectiveness of the speckle reduction using various virtual partially coherent sources. Fig. …