Journal ArticleDOI
Improvement of image quality in holographic microscopy.
C. J. Budhiraja,S. C. Som +1 more
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TLDR
In this paper, a novel technique of noise reduction in holographic microscopy has been experimentally studied and it has been shown that significant improvement in the holomicroscopic images of actual low-contrast continuous tone biological objects can be achieved without trade off in image resolution.Abstract:
A novel technique of noise reduction in holographic microscopy has been experimentally studied. It has been shown that significant improvement in the holomicroscopic images of actual low-contrast continuous tone biological objects can be achieved without trade off in image resolution. The technique makes use of holographically produced multidirectional phase gratings used as diffusers and the continuous addition of subchannel holograms. It has been shown that the self-imaging property of this type of diffuser makes the use of these diffusers ideal for microscopic objects. Experimental results have also been presented to demonstrate real-time image processing capability of this technique.read more
Citations
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Journal ArticleDOI
Precision coordinate measurements using holographic recording
TL;DR: In this article, the authors discuss the techniques of in-line and off-axis holography, and the problems that are encountered in practice, focusing on precision three-dimensional coordinate measurements from holographic images.
Patent
A method of speckle reduction in laser replayed holographic images
TL;DR: In this article, the reduction of speckle in coherent radiation replayed holographic images in achieved by the preparation of a holographic optical element (10) having a plurality of separate sectors (21-24) which constitute efficient transmission elements.
Book ChapterDOI
Holographic Microscopy of Phase and Diffuse Objects Under the Influence of Laser Radiation, Magnetic Fields, Hyperbary
Leonid V. Tanin,Andrei L. Tanin +1 more
TL;DR: The first works on the development of the directions of biomedical optics in Belarus were studied by L. V. Tanin in 1975, and due to this in 1978, he formed the scientific team "The coherent-optical studies of medico-biological systems" in the Institute of Neurology, Neurosurgery and Physiotherapy of the Ministry of Health of the BSSR where these scientific studies are still carried out.
Book ChapterDOI
Elements of Holography and Image Modification
TL;DR: As was already pointed out in the introduction, holography has become such an extended field of optics that it is impossible to thoroughly treat the subject within such a limited space.
Proceedings ArticleDOI
Television vibrodiagnostics in coherent light
TL;DR: In this paper, the formation analysis of speckle patterns and the holographic image of vibrating objects has been made in dependence on recording and reconstruction of the object image using a television system.
References
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Journal ArticleDOI
Microscopy by reconstructed wave-fronts
TL;DR: In this paper, it is shown that a coherent monochromatic wave can be used to reconstruct the original image of an object from its mirror image with respect to the coherent background.
Journal ArticleDOI
XXV. On copying diffraction-gratings, and on some phenomena connected therewith
TL;DR: The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 11, No. 67, pp. 196-205 as discussed by the authors, was the first publication of this paper.
Journal ArticleDOI
Microscopy by Wavefront Reconstruction
TL;DR: In this paper, an analysis of the aberrations which arise in wavefront-reconstruction imaging images is given and conditions are derived which lead to aberration-free reconstructions.
Journal ArticleDOI
A Study in Diffraction Microscopy with Special Reference to X-Rays
TL;DR: In this paper, the factors which affect resolution in diffraction microscopy are studied and the minimum theoretical resolvable distance between two point objects is limited by d and N but not by the wavelengths used in the analysis and reconstruction.
Journal ArticleDOI
The Formation of the Diffraction Image with Electrons in the Gabor Diffraction Microscope
M. E. Haine,T. Mulvey +1 more
TL;DR: In this paper, the projection and transmission methods of diffraction image formation with electrons are discussed in relation to their practical application, and the significance of the two methods as limiting cases of one general method is shown.
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