M-lines technique: prism coupling measurement and discussion of accuracy for homogeneous waveguides
S Monneret, P Huguet-Chantôme… - Journal of Optics A: Pure …, 2000 - iopscience.iop.org
S Monneret, P Huguet-Chantôme, F Flory
Journal of Optics A: Pure and Applied Optics, 2000•iopscience.iop.orgA method is proposed to measure the thickness of the air layer between the prism and the
waveguide in a totally reflecting prism coupler. The coupling efficiency of a Gaussian beam
from the prism into the waveguide can be calculated when the air-layer thickness (ALT) is
known.
waveguide in a totally reflecting prism coupler. The coupling efficiency of a Gaussian beam
from the prism into the waveguide can be calculated when the air-layer thickness (ALT) is
known.
Abstract
A method is proposed to measure the thickness of the air layer between the prism and the waveguide in a totally reflecting prism coupler. The coupling efficiency of a Gaussian beam from the prism into the waveguide can be calculated when the air-layer thickness (ALT) is known.
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