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Polarization control in optical fibers and applications in optical microscopy and spectroscopy

 
: Zeh, C.; Illing, R.; Köhler, B.; Opitz, J.; Eng, L.; Härtling, T.

:

Peters, K.J. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2013 : San Diego, California, USA, March 10-14, 2013
Bellingham, WA: SPIE, 2013 (Proceedings of SPIE 8693)
ISBN: 978-0-8194-9476-4
Paper 86930Q
Conference "Smart Sensor Phenomena, Technology, Networks, and Systems Integration" <2013, San Diego/Calif.>
English
Conference Paper
Fraunhofer IZFP, Institutsteil Dresden ( IKTS-MD) ()

Abstract
We demonstrate the construction of an acoustic long period ber grating (LPG) incorporating an index tailored few-mode ber and discuss its implementation for high resolution microscopy and spectroscopy. The LPG is used to selectively excite radially or azimuthally polarized second-higher order modes. Among many others, possible applications are nano-particle characterization and optical near- eld microscopy. The goal is to increase the feasibility and reliability of nondestructive optical evaluation for micro- and nanoscale devices and nanostructured materials.

: http://publica.fraunhofer.de/documents/N-243543.html