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Proceedings Paper

Fiber optically integrated cost-effective spectrometer for optical coherence tomography
Author(s): Stefan Remund; Anke Bossen; Xianfeng Chen; Ling Wang; Lin Zhang; Boris Považay; Christoph Meier
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Paper Abstract

A tilted fiber Bragg grating (TFBG) was integrated as the dispersive element in a high performance biomedical imaging system. The spectrum emitted by the 23 mm long active region of the fiber is projected through custom designed optics consisting of a cylindrical lens for vertical beam collimation and successively by an achromatic doublet onto a linear detector array. High resolution tomograms of biomedical samples were successfully acquired by the frequency domain OCT-system. Tomograms of ophthalmic and dermal samples obtained by the frequency domain OCT-system were obtained achieving 2.84 μm axial and 10.2 μm lateral resolution. The miniaturization reduces costs and has the potential to further extend the field of application for OCT-systems in biology, medicine and technology.

Paper Details

Date Published: 8 May 2014
PDF: 7 pages
Proc. SPIE 9129, Biophotonics: Photonic Solutions for Better Health Care IV, 91293G (8 May 2014); doi: 10.1117/12.2052595
Show Author Affiliations
Stefan Remund, Bern Univ. of Applied Sciences (Switzerland)
Anke Bossen, Bern Univ. of Applied Sciences (Switzerland)
Xianfeng Chen, Bangor Univ. (United Kingdom)
Ling Wang, Jiangnan Univ. (China)
Neuro-Electronics Research Flanders (Belgium)
Lin Zhang, Aston Univ. (United Kingdom)
Boris Považay, Bern Univ. of Applied Sciences (Switzerland)
Christoph Meier, Bern Univ. of Applied Sciences (Switzerland)


Published in SPIE Proceedings Vol. 9129:
Biophotonics: Photonic Solutions for Better Health Care IV
Jürgen Popp; Valery V. Tuchin; Dennis L. Matthews; Francesco Saverio Pavone; Paul Garside, Editor(s)

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