By P. Hariharan
Fundamentals of Holography is a basic advent to the topic written by way of a number one employee within the box. It starts off with the speculation of holographic imaging, the features of the reconstructed snapshot, and some of the forms of holograms. functional points of holography are then defined, together with gentle resources, the features of recording media and recording fabrics, in addition to equipment for generating forms of holograms and computer-generated holograms. ultimately, vital functions of holography are mentioned, reminiscent of high-resolution imaging, holographic optical components, info processing, and holographic interferometry.
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Fundamentals of Holography is a common advent to the topic written by means of a number one employee within the box. It starts with the idea of holographic imaging, the features of the reconstructed snapshot, and many of the sorts of holograms. functional features of holography are then defined, together with mild resources, the features of recording media and recording fabrics, in addition to tools for generating kinds of holograms and computer-generated holograms.
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Additional resources for Basics of Holography ( Cambridge University Press )
The coeﬃcient of astigmatism is Aϭ(xP2zP3)Ϫ(xO2zO3)ϩ(xR2zR3)Ϫ(xC2zC3). 14) Astigmatism is eliminated when zR ϭzO, (xP zP)ϭϪ(xR zR) and zP ϭ zO. Coma and astigmatism can, therefore, be eliminated simultaneously only when ϭ1. The coeﬃcient for curvature of ﬁeld is Fϭ[(xP2 ϩyP2)zP3] Ϫ[(xO2 ϩyO2)zO3] ϩ[(xR2 ϩyR2)zR3] Ϫ[(xC2 ϩyC2)zC3]. which disappears when the astigmatism is reduced to zero. 5 Image speckle 21 Finally, the coeﬃcient of distortion is Dx ϭ[(xP3 ϩxPyP2)zP3] Ϫ[(xO3 ϩxOyO2)zO3] ϩ[ (xR3 ϩxRyR2)zR3] Ϫ[(xC3 ϩxCyC2)zC3].
9, ed. J. C. Dainty, pp. 123–70. Berlin: SpringerVerlag. Meier, R. W. (1965). Magniﬁcation and third-order aberrations in holography. Journal of the Optical Society of America, 55, 987–92. Problems 25 Rotz, F. B. & Friesem, A. A. (1966). Holograms with non-pseudoscopic real images. Applied Physics Letters, 8, 146–8. 1. A hologram is recorded using a pulsed ruby laser ( ϭ694 nm), and illuminated with a He–Ne laser ( ϭ633 nm) to view the image. The reference beam in the recording system appears to diverge from a point at a distance of 1 m from the hologram.
The helium–cadmium (He–Cd) laser provides a stable output at a relatively short wavelength (442 nm) and is useful with recording materials such as photoresists. Diode lasers can be used as a source of red light, and are now available with output wavelengths that are fairly well matched to the sensitivity of commercial photographic materials. Diode lasers can also be used to pump a Nd:YAG laser with a frequency doubler. Such a system provides a compact cw source of green light ( ϭ532 nm) with output powers up to 100 mW.
Basics of Holography ( Cambridge University Press ) by P. Hariharan