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Array-type miniature interferometer as the core optical microsystem of an optical coherence tomography device for tissue inspection

 
: Passilly, N.; Perrin, S.; Lullin, J.; Albero, J.; Bargiel, S.; Froehly, L.; Gorecki, C.; Krauter, J.; Osten, W.; Wang, W.-S.; Wiemer, M.

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Gorecki, C. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical Micro- and Nanometrology VI : 5-7 April 2016, Brussels, Belgium
Bellingham, WA: SPIE, 2016 (Proceedings of SPIE 9890)
ISBN: 9781510601352
Art. 98900C
Conference "Optical Micro- and Nanometrology" <6, 2016, Brussels>
English
Conference Paper
Fraunhofer ENAS ()

Abstract
Some of the critical limitations for widespread use in medical applications of optical devices, such as confocal or optical coherence tomography (OCT) systems, are related to their cost and large size. Indeed, although quite efficient systems are available on the market, e.g. in dermatology, they equip only a few hospitals and hence, are far from being used as an early detection tool, for instance in screening of patients for early detection of cancers. In this framework, the VIAMOS project aims at proposing a concept of miniaturized, batch-fabricated and lower-cost, OCT system dedicated to non-invasive skin inspection. In order to image a large skin area, the system is based on a full-field approach. Moreover, since it relies on micro-fabricated devices whose fields of view are limited, 16 small interferometers are arranged in a dense array to perform multi-channel simultaneous imaging. Gaps between each channel are then filled by scanning of the system followed by stitching.

: http://publica.fraunhofer.de/documents/N-422740.html