Download Diffractive Optics: Design, Fabrication, and Test (Tutorial by Donald C. O'Shea, Thomas J. Suleski, Alan D. Kathman, Visit PDF

By Donald C. O'Shea, Thomas J. Suleski, Alan D. Kathman, Visit Amazon's Dennis W. Prather Page, search results, Learn about Author Central, Dennis W. Prather,

This booklet offers the reader with the wide variety of fabrics that have been mentioned in a sequence of brief classes provided at Georgia Tech at the layout, fabrication, and checking out of diffractive optical parts (DOEs). even if there aren't lengthy derivations or precise equipment for particular engineering calculations, the reader can be normal and ok with uncomplicated computational concepts. this article isn't really a ''cookbook'' for generating DOEs, however it should still offer readers with enough info to evaluate even if this expertise would get advantages their paintings, and to appreciate the necessities for utilizing the innovations and methods provided through the authors.

Contents

- Preface
- Introduction
- Scalar Diffraction Theory
- Electromagnetic research of Diffractive Optical Elements
- Diffractive Lens Design
- layout of Diffraction Gratings
- creating a DOE
- Photolithographic Fabrication of Diffractive Optical Elements
- Survey of Fabrication ideas for Diffractive Optical Elements
- trying out Diffractive Optical Elements
- software of Diffractive Optics to Lens Design
- extra functions of Diffractive Optical Elements
- Index

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Additional info for Diffractive Optics: Design, Fabrication, and Test (Tutorial Texts in Optical Engineering. SPIE Press Monograph)

Sample text

To demonstrate the efficiency losses predicted by extended scalar theory, the diffraction efficiency has been plotted as a function of period/wavelength for a typical glass blazed structure in Fig. 12. The plot compares the simple scalar theory prediction (100%), with extended scalar theory and vector theory. The vector theory calculation was done using rigorous coupled-wave analysis (discussed in detail in Chapter 3), solving Maxwell’s equations for the air/glass interface. The extended scalar prediction is significantly more accurate than the basic scalar method.

Org/terms Scalar Diffraction Theory 21 (7) The beam size or aperture at the aperture plane is large compared with the wavelength. (8) The distance from the aperture plane to the evaluation plane is large compared with the wavelength. Using these assumptions still allows accurate analysis of light propagation from a wide variety of diffractive optical elements. However, it should be noted that assumptions 2 and 7 are typically not valid within a diffractive microstructure. This difficulty is circumvented by determining the complex transmission function of a diffractive element analytically, then applying scalar theory to model the propagation of light to a subsequent plane in the optical system.

One application of the Dirac delta function that demonstrates its utility consists of expressing two side-by-side apertures in a compact form. They are arranged in what is known in an elementary physics text as Young’s double-slit geometry. This arrangement can be represented as the sum of two rectangle functions of width b separated by a distance a: rect[(x + Λ/2)/b] + rect[(x − Λ/2)/b] as shown on the right side of Fig. 4. However, it can also be written using a convolution of the rectangle function and two delta functions as rect(x/b) ⊗ [δ(x + Λ/2) + δ(x − Λ/2)] (left side of Fig.

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