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Laser Growth and Processing of Photonic Devices by N Vainos

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4

Fabrication of periodic photonic microstructures by the interference of ultrashort pulse laser beams

Q-Z. Zhao,     Shanghai Institute of Optics and Fine Mechanics, CAS, China

Abstract:

The fabrication of periodic photonic microstructures by the interference of ultrashort pulse laser beams has found applications in several fields. This interference can produce a periodically modulated light intensity distribution with a period of the same order as the laser wavelength. A periodically modulated microstructure can be obtained if the periodically modulated light intensity distribution is transferred to a photoreactive material. The interference of two beams creates a onedimensional periodic pattern. In principle, by increasing the number of ...

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