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8 May 2014 Fiber optically integrated cost-effective spectrometer for optical coherence tomography
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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.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stefan Remund, Anke Bossen, Xianfeng Chen, Ling Wang, Lin Zhang, Boris Považay, and Christoph Meier "Fiber optically integrated cost-effective spectrometer for optical coherence tomography", Proc. SPIE 9129, Biophotonics: Photonic Solutions for Better Health Care IV, 91293G (8 May 2014); doi: 10.1117/12.2052595;

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