Faculty of Physics - University of Bucharest

UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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2024-11-21 20:57

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Conference: Bucharest University Faculty of Physics 2008 Meeting

Section: Optics, Spectroscopy, Plasma and Lasers

Title:

Analysis of planar waveguide parameters using m-line spectroscopy

Authors:

Mircea Bulinski 1, Gabriel Moagar-Poladin 2

Affiliation:

1- Faculty of Physics, University of Bucharest, 2 - National Institut6e for Research and Development in Microtechnologies – IMT Bucharest

E-mail

Keywords:

m-line spectroscopy, waveguides

Abstract:

The m-line spectroscopy allows a reliable measurement of waveguides parameters using the light propagation modes into the guide. The technique is based on the prism coupling technique. We present the technical specification, software solutions and measurement technique for a manufactured computerized experimental setup. By this method, refractive index and thickness of a deposited thin layer of PVA and Fe:PVA have been determined with a very good accuracy. The method is also applicable for anisotropic materials (by modified m-line spectroscopy) and up to four-layer waveguide structures.