Optical scanning holography with Matlab by Ting-Chung Poon

By Ting-Chung Poon

Optical Scanning Holography is an exhilarating new box with many capability novel functions. This booklet comprises tutorials, learn fabrics, in addition to new principles and insights that would be helpful for these operating within the box of optics and holography. The e-book has been written via one of many prime researchers within the box. It covers the fundamental rules of the subject on the way to make the booklet correct for future years.

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D k! 2-6) Eq. 2-5) is called a plane-wave solution and the wave is called a plane wave of unit amplitude. D . Fig. 2 Plane wave propagating along the 5! direction. Since the electromagnetic fields are real functions of space and time, we can define, for example, the electric field by taking the real part of < to obtain a real quantity, ReÒ<(B, C, D , t) Ó œ cosÐ=! D DÑ. 2-7) Let us now consider a plane wave propagating along the D -direction. , <ÐDß >Ñ, the wave equation [Eq. 2-8) and its plane wave solution then becomes <(D , t) œ expÒ4Ð=!

Note that the parallel rays emerging from the lens of focal length 0# have a separation of an expansion factor, Q œ 0# Î0" , larger than the separation of the rays originally emerging from the laser. Fig. 6 Practical implementation of spherical waves and plane waves. 7 shows a simple example of diffraction geometry where a plane wave oscillating at =! Þ The problem is to determine the diffracted field distribution after the aperture. To tackle the problem, we will need to solve the 3-D scalar wave equation, which is subject to an initial condition.

Similar to Eq. 5-3), where B ! œ C ! œ ! for an on-axis point object, we now have >ÐBß CÑ œ l + expÐ450 Bsin)Ñ  œ E  F sinÒ 45! expÒ  45! Ól2 2 1 D! 5! 2 ÐB  C2 Ñ  50 Bsin)Ó, 2 D! D! Ñ2 and F œ +5! 1D! 5-7) >aBß Cb given by Eq.

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