Results 91 to 100 of about 25,876 (202)
Wavefront division digital holography
AIP Advances, 2018 Digital holography (DH), mostly Mach-Zehnder configuration based, belongs to non-common path amplitude splitting interference imaging whose stability and fringe contrast are environmental sensitive.
Wenhui Zhang +6 more
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Applied Sciences, 2018 The quality of reconstructed images in relation to the bit depth of holograms formed by wavelength-selective phase-shifting digital holography was investigated.
Tatsuki Tahara +2 more
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Digital holography - an innovative technology for analysis of living cells
Bioingeniøren, 2010 Background: Digital holography is a novel technique which has been used for about five years to study living cells. The technique is an innovative, non-destructive method with possibilities to study living cells over time.
Zahra El-Schish +3 more
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Crack Detection by Optical Voice Recorder Based on Digital Holography
Photonic Sensors, 2019 The detection of crack on materials is an important issue in industry. On the contrary to conventional methods, such as manual inspection, sensor detection, and image processing techniques, a new simple method to detect the crack is proposed with optical
Gülhan Ustabaş Kaya, Zehra Saraç
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Biomedical Optics and 3-D Imaging, 2010 We extend digital holography, and the techniques of computational imaging in general, to beam propagation in nonlinear media. Nonlinearity mixes high-frequency spatial modes with low-frequency ones, so that reconstruction results in super-resolution of the object.
Christopher Barsi, Jason Fleischer
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Advances in Optical Metrology: High-Bandwidth Digital Holography for Transparent Objects Analysis
PhotonicsAccurate and non-invasive optical metrology of transparent objects is essential in several commercial and research applications, from fluid dynamics to biomedical imaging.
Manoj Kumar +5 more
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Lensless single-shot dual-wavelength digital holography with sub-pixel resolution and centimeter depth range [PDF]
APL PhotonicsLensless single-shot dual-wavelength digital holography is resolution limited by the pixel-size of the camera and often has an insufficient depth range.
Huangcheng Shangguan +2 more
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Deep learning bimodal frequency-selective digital holography by using a confocal dual-beam setup
New Journal of PhysicsThis paper proposes a bimodal digital holography technique based on deep learning, marking the first application of neural networks in frequency-selective holographic reconstruction.
Wanbin Zhang +6 more
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Backscatter digital holography of microparticles
Optics Express, 2013 This work investigates a method for digital holographic imaging of microparticles. Traditional digital holographic techniques use a particle's forward scattered light to form the hologram, whereas here we use the backscattered light. Images of a particle are then computationally reconstructed from the backscatter hologram, and several examples of such ...
Nava R, Subedi +2 more
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Zooming algorithms for Digital Holography
Journal of Physics: Conference Series, 2010 Digital Holography is an imaging modality made up of two parts: (i) Recording an interference pattern on a CCD, where an object wave field and a known reference wave are coincident and extracting the complex object wave field from this interference pattern and (ii) Replaying or reconstructing the hologram on a computer by simulating the propagation of ...
Hennelly, Bryan M. +3 more
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