Investigation of a large-core photonic crystal fiber sensor for enhancement of fluorescent light collection of polymer membrane

Jianjun Ma; Wojtek J. Bock; Zhiyuan Wang; Wenhui Hao; Sean M. MacKinnon

doi:10.1117/12.628428

12 October 2005 Investigation of a large-core photonic crystal fiber sensor for enhancement of fluorescent light collection of polymer membrane

Jianjun Ma, Wojtek J. Bock, Zhiyuan Wang, Wenhui Hao, Sean M. MacKinnon

Author Affiliations +

Proceedings Volume 5970, Photonic Applications in Devices and Communication Systems; 597006 (2005) https://doi.org/10.1117/12.628428
Event: Photonics North, 2005, Toronto, Canada

Abstract

A three-fiber probe is fabricated for the measurement of fluorescent light emitted from a flat and tilted membrane cast on a glass substrate. With two identical photonic crystal fibers (PCFs) as the receiving fibers, we demonstrate that a segment of pure glass rod formed at the front end of a large-core PCF has an enhanced capability of collecting fluorescent light. The percentage of this increase depends on the distance between the membrane and the fiber probe. An initial theoretical investigation reveals that a longer fused segment can shift the light reception cone towards the symmetric axis of the illuminating fiber where the maximum energy locates. Higher emission is expected in this area and would be able to reach this shifted reception cone. This area is a dead zone for the PCF without or with a shorter fused segment. The possible applications of this fused glass segment with a proper length are highlighted.

Citation Download Citation

Jianjun Ma, Wojtek J. Bock, Zhiyuan Wang, Wenhui Hao, and Sean M. MacKinnon "Investigation of a large-core photonic crystal fiber sensor for enhancement of fluorescent light collection of polymer membrane", Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 597006 (12 October 2005); https://doi.org/10.1117/12.628428

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