Diffractive masks by confocal microscopy

P. Maceira; V. Moreno; J. R. Salgueiro; F. Guitian; A. Gil

doi:10.1117/12.892177

26 July 2011 Diffractive masks by confocal microscopy

P. Maceira, V. Moreno, J. R. Salgueiro, F. Guitian, A. Gil

Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 80013L (2011) https://doi.org/10.1117/12.892177
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal

Abstract

We show how confocal microscopy can be used as a simple, fast and flexible technique to fabricate multiple diffractive masks on a single plate. These masks are useful to make full bandgap photonic crystals with a woodpile structure in a single illumination step. The versatility for the control of the confocal microscope allows to define the illumination area and codify the features of the diffractive mask in a simple and straightforward way. The period of the diffraction grating can be easily established by modifying the illumination area. This allows to control the dimensions of the woodpile structures and consequently the bandgap spectral range of the fabricated structures.

Citation Download Citation

P. Maceira, V. Moreno, J. R. Salgueiro, F. Guitian, and A. Gil "Diffractive masks by confocal microscopy", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80013L (26 July 2011); https://doi.org/10.1117/12.892177

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