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Modeling the light diffraction by micro-optics elements using the finite element method

D.V. Nesterenko, V.V. Kotlyar, Y.Wang1

Image Processing Systems Institute of Russian Academy of Sciences, Russia

1Beijing Institute of Technology, Beijing 100081, China

 PDF, 393 kB

Pages: 44-46.

Full text of article: Russian language.

Abstract:
A relevant problem related to the generation of diffractive optical elements is the energy loss associated with Fresnel reflection, which is especially important when focusing the radiation of highpower industrial lasers. A relatively high refractive index of a diamond leads to the fact that the transmission of a diamond plate at a wavelength of 10.6 μm does not exceed 71% because of the reflection losses. Therefore, the problem of diamond optical elements bleaching - that is, reducing Fresnel reflection losses - becomes particularly relevant. This article presents a method for simulating the propagation of laser radiation through an antireflective structure within the framework of the electromagnetic theory of light.

Citation:
Golovashkin DL, Pavelyev VS, Soifer VA. Numerical analysis of light propagation through an antireflective diamond structure in the framework of electromagnetic theory. Computer Optics 1999; 19: 44 - 46.

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