9786202676205

Polarizing Fabry-Perot filters for Polarization-difference imaging

Obtaining and characterizing Fabry-Perot filters for application in the acquisition of polarization-difference images

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Summary:

This book is the result of research activities carried out at the Polytechnic School of the University of São Paulo to obtain a Ph.D. degree in Electrical Engineering. The objective of the work was the implementation of Fabry-Perot polarizing filters, using thin films with shape birefringence. Such filters were then used to characterize a system for obtaining images sensitive to the state of polarization of light. Computer simulations were used in the design of the filters that were then produced in Sputtering equipment. The thin films thus obtained were characterized using the RBS (Rutherford Backscattering) technique to determine their thickness and stoichiometry. And spectrophotometry techniques were used to evaluate the refractive index of the material from the region of the near-infrared to the ultraviolet. Polarization-difference imaging systems are capable to improve visibility even in turbid environments and so they can be used, among others, in applications such as person rescue in a smoke-filled room.

Author:

Hugo Puertas de Araújo

Biographie:

The author has a Ph.D. degree in Electrical Engineering with an emphasis in Microelectronics by the Polytechnic School of the University of São Paulo. He worked for more than 12 years as a researcher on semiconductor devices and processes characterization at USP. Nowadays works as an Applications Engineering Manager in a Brazilian Design House.

Author:

Sebastião Gomes dos Santos Filho

Biographie:

Number of Pages:

240

Book language:

English

Published On:

2020-07-03

ISBN:

9786202676205

Publishing House:

LAP LAMBERT Academic Publishing

Keywords:

Microelectronics, Polarization-difference Imaging System, Form Birefringence, Polarizing Thin Films, Fabry-Perot filter

Product category:

BUSINESS & ECONOMICS / General