Read e-book online Optical Scanning Holography with MATLAB® PDF
By Ting-Chung Poon
Optical scanning holography (OSH) is an rising niche with many strength novel purposes, corresponding to three-D trend attractiveness, three-D microscopy, three-D cryptography, and 3-D optical distant sensing.
Optical Scanning Holography with MATLAB® introduces readers to the newest advances of digital (or electronic) holography and succinctly covers the required mathematical historical past and wave optics that pertain to Fourier optics and holography. The reader is guided via modeling of the idea and functions using MATLAB®. Optical scanning holography is defined in a way that allows readers to start imposing their very own setups for novel OSH purposes.
Optical Scanning Holography with MATLAB® contains tutorials (with a number of MATLAB® examples through the textual content) and study fabric, in addition to new principles and insights for graduate scholars, scientists, and engineers operating within the fields of Fourier optics, optical scanning imaging, and holography.
Read or Download Optical Scanning Holography with MATLAB® PDF
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This booklet offers an individual desiring a primer on random indications and approaches with a hugely available advent to those topics. It assumes a minimum volume of mathematical historical past and makes a speciality of innovations, similar phrases and fascinating functions to various fields. All of this is often inspired by means of a variety of examples applied with MATLAB, in addition to numerous routines on the finish of every bankruptcy.
Prof. Dr. Benker arbeitet am Fachbereich Mathematik und Informatik der Martin-Luther-Universität in Halle (Saale) und hält u. a. Vorlesungen zur Lösung mathematischer Probleme mit Computeralgebra-Systemen. Neben seinen Lehraufgaben forscht er auf dem Gebiet der mathematischen Optimierung.
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Extra resources for Optical Scanning Holography with MATLAB®
B# C# Ñ 45! exp’ “. #D #1 D 2ÐBß Cà DÑ œ expÐ 45! 3-11) If Eq. 3-11) is now used in Eq. 3-9), we obtain <: ÐBß Cà DÑ œ <:! ÐBß CÑ ‡ 2ÐBß Cà DÑ œ expÐ 45! DÑ ‚ expÖ 45! #1 D ( ( <:! ÐBw ß Cw Ñ 45! Cw . 3-12) is called the Fresnel diffraction formula and describes the Fresnel diffraction of a beam during propagation and having an arbitrary initial complex profile, <:! ÐBß CÑ. To obtain the output field distribution <: ÐBß Cà DÑ at a distance D away from the input (the location of the diffracting screen), we would simply convolve the input field distribution, <:!
X ] . 1-8) where we have used the first of the constitutive relations [Eq. 1-6a)] and assumed % to be time-independent. 1-9) in Eq. % # X ]œ. + f(f † X ). 1-10) If we also assume the permittivity, %, to be space-independent, then we can now recast the first of Maxwell’s equations [Eq. 1-11) f†X œ @ , % by using the first of the constitutive relations [Eq. 1-6a)]. Incorporating Eq. 1-11) into Eq. % # X ]" œ. 1-12) 24 Optical Scanning Holography with MATLAB which is a vector wave equation having source terms on the right-hand side.
TÑ into the 3-D scalar wave equation given by Eq. 2-4), we have Ò # <: # <: # <: Ð4=! Ñ# = <: ÐBß Cà DÑexpÐ4=! tÑ Ð4 + + Ó exp t Ñ œ ! # <: + + Ó œ B# C # D # @# which is the Helmholtz equation [Eq. 3-2)], where we have incorporated the fact that 5! œ =! /@. Note that the Helmholtz equation contains no time variable. 3 Derivation of Eq. , YBC , of Eq. # <: × œ ! # G: 5B# # 5 Ð" Ñ G: œ !. # C ! D # which has the solution CÐDÑ œ C! DÑ where C! Ñ is given as the initial condition. Using this result, the solution to Eq.