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Lateral access to the holes of photonic crystal fibers – selective filling and sensing applications

Cristiano M. B. Cordeiro, Eliane M. dos Santos, C. H. Brito Cruz, Christiano J. de Matos, Daniel S. Ferreiira
2006 Optics Express  
A new, simple, technique is demonstrated to laterally access the cladding holes of solid-core photonic crystal fibers (PCFs) or the central hole of hollow-core PCFs by blowing a hole through the fiber wall (using a fusion splicer and the application of pressure). For both fiber types material was subsequently and successfully inserted into the holes. The proposed method compares favorably with other reported selective filling techniques in terms of simplicity and reproducibility. Also, since
more » ... ity. Also, since the holes are laterally filled, simultaneous optical access to the PCFs is possible, which can prove useful for practical sensing applications. As a proof-of-concept experiment, Rhodamine fluorescence measurements are shown.
doi:10.1364/oe.14.008403 pmid:19529217 fatcat:g7xn6k5hmrf7xbs7zgchngqlka