By P. Hariharan
Fundamentals of Holography is a basic advent to the topic written through a number one employee within the box. It starts off with the speculation of holographic imaging, the features of the reconstructed picture, and a few of the varieties of holograms. sensible facets of holography are then defined, together with mild assets, the features of recording media and recording fabrics, in addition to tools for generating varieties of holograms and computer-generated holograms. eventually, vital purposes of holography are mentioned, resembling high-resolution imaging, holographic optical parts, details processing, and holographic interferometry.
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A hologram recorded with an Arϩ laser (1 ϭ514 nm) and an interbeam angle of 30° is to be illuminated with green light from a high-pressure mercury vapor lamp which has a mean wavelength 2 of 546 nm and a spectral bandwidth ⌬2 of about 5 nm. The lamp can be regarded as a source with an eﬀective diameter of 5 mm and is placed at a distance of 1 m from the hologram. What is the maximum depth of the image that can be reconstructed with an acceptable value of the image blur? 5 mm at a viewing distance of 1 m.
3), the output can be tuned over a range of wavelengths (50–80 nm) by incorporating a wavelength selector, such as a diﬀraction grating or a birefringent ﬁlter, in the laser cavity. While pulsed Nd:YAG lasers (with a frequency doubler) have been used for holography, the most commonly used type of pulsed laser is the ruby laser, mainly because of the large output energy available (up to 10 J per pulse) and the wavelength of the light emitted (694 nm), which is fairly well matched to the peak sensitivity of available photographic materials for holography.
Reconstructing response and eﬃciency of hologram gratings. In Proceedings of the Symposium on Modern Optics, pp. 605–17. Brooklyn Polytechnic Press. Kogelnik, H. (1969). Coupled wave theory for thick hologram gratings. Bell System Technical Journal, 48, 2909–47. , Gaylord, T. K. & Magnusson, R. (1980a). Criteria for Bragg regime diﬀraction by phase gratings. Optics Communications, 32, 14–8. , Gaylord, T. K. & Magnusson, R. (1980b). Criteria for Raman-Nath regime diﬀraction by phase gratings. Optics Communications, 32, 19–23.
Basics of Holography ( Cambridge University Press ) by P. Hariharan