Results 71 to 80 of about 7,193 (177)

Intracellular doppler spectroscopy of live tissue sentinels for a fast in-vitro bacterial infection assay. [PDF]

Sci Rep
Lim D, Hua Z, Cunha FD, Turek J, Ladisch M, Nolte D.   +5 more
europepmc   +1 more source

Leveraging Partial Coherence to Enhance Nanoparticle Detection Sensitivity and Throughput in Interferometric Scattering Microscopy. [PDF]

ACS Photonics
Lombardo C, Sottini A, Seiter S, Colas des Francs G, Ortega Arroyo J, Quidant R.   +5 more
europepmc   +1 more source

Metrology with a twist: probing and sensing with vortex light. [PDF]

Light Sci Appl
Cheng M, Jiang W, Guo L, Li J, Forbes A.
europepmc   +1 more source

Amplitude- and Phase-Programmable Dual-Color Photonic Chip for High-Contrast Structured Illumination Microscopy. [PDF]

ACS Photonics
Maran P, Rajan A, Ceccarelli F, Osellame R, Paiè P, Candeo A, Bragheri F, Bassi A.   +7 more
europepmc   +1 more source

Non-Destructive Testing and Evaluation of Hybrid and Advanced Structures: A Comprehensive Review of Methods, Applications, and Emerging Trends. [PDF]

Sensors (Basel)
Abdollahi-Mamoudan F, Ibarra-Castanedo C, Maldague XPV.   +2 more
europepmc   +1 more source

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Applications of digital speckle pattern shearing interferometry in characterization of fluids

Applied Optics, 2021
Digital speckle pattern shearing interferometry is a robust optical technique mostly used for measuring small deformations in solid objects. In this paper we focus on applications of this technique in characterization of liquid and gaseous samples. We demonstrate this by a few examples: measurement of the density (temperature) profiles inside a candle ...
Khosrow Hassani, Seyedeh Marzieh Shiva
openaire   +3 more sources

Speckle noise reduction in digital speckle pattern interferometry using Riesz wavelets transform

2017 International Conference on Advanced Technologies for Signal and Image Processing (ATSIP), 2017
In this work, we present an effective method for speckle noise reduction in digital speckle pattern interferometry (DSPI), which is based on a Riesz wavelet transform thresholding technique. Riesz wavelet transform is a steerable pyramid wavelet transform. Before Riesz-wavelet decomposition is applied to the noised image; the given coefficients undergo
Tounsi Yassine, Siari Ahmed, Nassim Abdelkrim   +2 more
openaire   +2 more sources

Temporal Polarization Phase-shifting for Digital Speckle Pattern Interferometry

Instruments and Experimental Techniques, 2019
A temporal 4-step polarization phase-shifting technique for digital speckle pattern interferometry (DSPI) with one fixed and two rotatable polarizers is proposed. The fixed polarizer is used to filter out the reflected object beam in one polarization direction, and the two rotatable polarizers are used to perform the 4 times phase shifts.
Weixian Li, Lu Li, Sijin Wu, Mingli Dong
openaire   +2 more sources