Results 121 to 130 of about 2,557,405 (292)
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
doaj +1 more source
High‐Speed Multimode Fiber Imaging Using Binary‐Modulated Silicon Photonics Optical Phased Array
Laser &Photonics Reviews, Volume 19, Issue 13, July 8, 2025.A multimode fiber imaging system at 500 frames per second is experimentally demonstrated. It is enabled by a p‐i‐n diode‐based silicon photonics optical phased array. To simplify the electrical driving of p‐i‐n diodes, a binary modulation method with a costumed‐designed digital driver circuit is proposed. Reconstruction of each frame takes only 0.1 ms,
Gaolei Hu +3 more
wiley +1 more source
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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Optoelectronic Devices for In‐Sensor Computing
Advanced Materials, Volume 37, Issue 23, June 12, 2025.The raw data obtained directly from sensors in the noisy analogue domain is often unstructured, which lacks a predefined format or organization and does not conform to a specific data model. Optoelectronic devices for in‐sensor visual processing can integrate perception, memory, and processing functions in the same physical units, which can compress ...
Qinqi Ren +7 more
wiley +1 more source
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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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
doaj
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
doaj +1 more source
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
doaj +1 more source
Holographic recording of fast events on a CCD camera [PDF]
, 2002 We report on holographic recording of nanosecond events on a conventional CCD camera. Three frames of an air-discharge event, with resolution of 5.9 ns and frame interval of 12 ns, are recorded in a single CCD frame.
Centurion, Martin +4 more
core +1 more source
Strain Measurement Using Phase-shifting Digital Holography with Two Cameras
EPJ Web of Conferences, 2010 Phase-shifting digital holography is a convenient method to measure displacement and strain distributions. Development of compact and conventional strain distribution measurement equipment for practical use is required for inspection of health monitoring
Morimoto Y., Nishitani R., Fujigaki M.
doaj +1 more source