New PDF release: Laser Beam Shaping: Theory and Techniques

By Fred M. Dickey

ISBN-10: 1466561009

ISBN-13: 9781466561007

Laser Beam Shaping: thought and methods addresses the speculation and perform of each very important process for lossless beam shaping. whole with experimental effects in addition to advice on whilst beam shaping is sensible and whilst every one strategy is suitable, the second one version is up-to-date to mirror major advancements within the box. This authoritative text:

Features new chapters on axicon mild ring new release platforms, laser-beam-splitting (fan-out) gratings, vortex beams, and microlens diffusers Describes the newest advances in beam profile dimension expertise and laser beam shaping utilizing diffractive diffusers includes new fabric on wavelength dependence, channel integrators, geometrical optics, and optical software
Laser Beam Shaping: concept and strategies, moment variation not just offers a operating figuring out of the basics, but additionally deals perception into the aptitude program of laser-beam-profile shaping in laser approach layout.

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Extra resources for Laser Beam Shaping: Theory and Techniques

Sample text

This transform allows us to find the two-dimensional Fourier transform of a radially symmetric function by performing a one-dimensional integral. The Hankel transform can be very useful when analyzing diffraction effects in beam shaping problems with radial symmetry. To understand Hankel transforms, it is necessary to be familiar with an identity in the theory of Bessel functions. 39. 40 is known as Bessel’s equation. The solutions that are regular at r = 0 are called Bessel functions, which can be written as Jm(r).

59) 30 Laser Beam Shaping In this case, the relative error between the first-order term and the exact solution will die down like l/γ. If the function f(ξ) is real, then the functions A(x) and B(x) will have the same phase. This implies that the relative error between |H(x,γ)|2 and the value predicted by the first term in the method of stationary phase will be O(1/γ2). This expression will remain valid provided the functions f(ξ) and ∂2 q/∂ξ2 are differentiable at ξ0(x). 60) We see that in this case, the relative error between the first-order term and the exact solution will die down like 1/γ1/2.

In order to describe the phenomenon of birefringence in crystals, it is necessary to use the general tensor form for the polarization. ) This relation between the electric field and the polarization also assumes that the polarization depends only on the local value of the electric field. Using such a theory, it is not possible to describe the rotation of the polarization field by an optically active material. 42 Laser Beam Shaping A similar approximation is used to take into account the effect of currents that are produced by the magnetic field.

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Laser Beam Shaping: Theory and Techniques by Fred M. Dickey

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