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Fast polarization state detection by division-of-amplitude in a simple configuration setup

: Negara, Christian

Fulltext urn:nbn:de:0011-n-4175706 (655 KByte PDF)
MD5 Fingerprint: 422f8aedd036301e24702d73404362c7
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Created on: 25.10.2016

Beyerer, Jürgen (Ed.) ; Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung -IOSB-, Karlsruhe; Karlsruhe Institute of Technology -KIT-, Lehrstuhl für Interaktive Echtzeitsysteme -IES-:
Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory 2015. Proceedings : July, 19 to 26, Triberg-Nussbach, Germany
Karlsruhe: KIT Scientific Publishing, 2016 (Karlsruher Schriften zur Anthropomatik 24)
ISBN: 978-3-7315-0519-8
Fraunhofer Institute of Optronics, System Technologies and Image Exploitation and Institute for Anthropomatics, Vision and Fusion Laboratory (Joint Workshop) <2015, Triberg-Nussbach>
Conference Paper, Electronic Publication
Fraunhofer IOSB ()

A new measurement system for imaging ellipsometry has been developed with the ability of taking fast measurements on planar and even highly curved surfaces. This is achieved by a special laser scanner containing four photodetectors to measure the state of polarization with a sampling rate in the megahertz range. Up to now only three of four Stokes parameters can be measured simultaneously. In this work some modifications to the actual detector are proposed which provide the opportunity to measure the whole Stokes parameter. In contrast to the previous work on the division of-amplitude photopolarimeter (DOAP) using a special optical beam splitter, the polarization state detector presented here uses only standard optical components while keeping the adjustment effort low.