Results 21 to 30 of about 1,184,514 (267)
Reduction in the reconstruction error of computer-generated holograms by photorefractive volume holography [PDF]
, 1993 We suggest a method for coding high-resolution computer-generated volume holograms. It involves splitting the computer-generated hologram into multiple holograms, their individual recording as volume holograms by use of the maximal resolution available ...
Barhen, Jacob +3 more
core +2 more sources
Monochrome Image Hologram (MIH)
مجلة بغداد للعلوم, 2008 A new computer-generated optical element called a monochrome image hologram (MIH) is described. A real nonnegative function to represent the transmittance of a synthesized hologram is used.
Baghdad Science Journal
doaj +1 more source
OBJECT STRUCTURE EFFECT ON OPTIMAL LEVELS OF HOLOGRAM BINA-RIZATION IN TERMS OF RECONSTRUCTED IMAGE QUALITY [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2018 Subject of Research. The paper presents research results on object structure effect, that is the type and size of its elements, on optimal level of computer generated Fresnel holograms binarization in terms of reconstructed image quality. Method.
S. N. Koreshev, S. O. Starovoitov
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Lensfree on-chip microscopy over a wide field-of-view using pixel super-resolution. [PDF]
, 2010 We demonstrate lensfree holographic microscopy on a chip to achieve approximately 0.6 microm spatial resolution corresponding to a numerical aperture of approximately 0.5 over a large field-of-view of approximately 24 mm2.
Bishara, Waheb +3 more
core +1 more source
Sub-Terahertz Computer Generated Hologram with Two Image Planes
Applied Sciences, 2019 An advanced optical structure such as a synthetic hologram (also called a computer-generated hologram) is designed for sub-terahertz radiation. The detailed design process is carried out using the ping-pong method, which is based on the modified ...
Mateusz Surma +3 more
doaj +1 more source
SEARCH AUTOMATION OF BINARIZATION OPTIMUM LEVEL FOR SYNTHESIZED HOLOGRAMS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2017 The paper considers the features of synthesized holograms suitable for practical use. It is established that binary holograms are the first of all suitable ones for successful application in practice.
Oleg V. Nikanorov, Denis S. Smorodinov
doaj +1 more source
Photonics, 2022 Interferenceless coded aperture correlation holography (I-COACH) was recently introduced for recording incoherent holograms without two-wave interference.
Rui Xiong +5 more
doaj +1 more source
Simultaneous reconstruction of phase and amplitude contrast from a single holographic record [PDF]
, 2009 We present a reconstruction technique for simultaneous retrieval of absorption and phase shifting properties of an object recorded by in-line holography.
Barton +17 more
core +1 more source
مجلة بغداد للعلوم, 2008 This paper present a study about effect of the random phase and expansion of the scale sampling factors to improve the monochrome image hologram and compared it with previous produced others.
Baghdad Science Journal
doaj +1 more source
Frontiers in Physics, 2022 In this work we apply a phase-shifting interferometry (PSI) to evaluate the reconstruction of complex-valued holograms displayed onto a phase-only spatial light modulator (SLM).
Esther Nabadda +5 more
doaj +1 more source