Optical devices from porous silicon having continuously varying refractive index



We shall discuss two types of optical devices made using porous silicon, in which the refractive index distribution is continuous. In the rugate filter, the refractive index profiles is sinusoidal along the growth axis, while in the graded refractive index lenses that we fabricated from PSi, the refractive index is quadratic in the plane of the porous layer. We shall talk about the design and fabrication methods used to manufacture both of these device types, and show examples for each.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.School of PhysicsThe University of New South WalesSydneyAustralia

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