Title

Femtosecond Laser Fabrication Of Tubular Waveguides In Poly(Methyl Methacrylate)

Abstract

Femtosecond laser direct writing is employed for the fabrication of buried tubular waveguides in bulk poly(methyl methacrylate). A novel technique using selective chemical etching is presented to resolve the two-dimensional refractive-index profile of the fabrication structures. End-to-end coupling in the waveguides reveals a near-field intensity distribution that results from the superimposition of several propagating modes with different azimuthal symmetries. Mode analysis of the tubular waveguides is performed using the finite-difference method, and the possible propagating mode profiles are compared with the experimental data. © 2004 Optical Society of America.

Publication Date

8-15-2004

Publication Title

Optics Letters

Volume

29

Issue

16

Number of Pages

1840-1842

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.29.001840

Socpus ID

4043082605 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/4043082605

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