Spectral and fluorescence lifetime endoscopic system using a double-clad photonic crystal fiber

A. Ibrahim, F. Poulon, F. Melouki, M. Zanello, P. Varlet, R. Habert, B. Devaux, A. Kudlinski, and D. Abi Haidar

We present a customized small-core double-clad photonic crystal fiber for spectral and fluorescence lifetime measurements of human samples. In this Letter, the new fiber has been characterized on different fluorophores and samples of human brain tumor; a comparison to a bi-fiber homemade system and a commercial fiber probe was made.

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