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Optical Engineering

System for laser writing to lithograph masks for integrated optics
Author(s): Jose Ramon Salgueiro; Juan F. Roman; Vincente Moreno de las Cuevas
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Paper Abstract

A simple and low-cost laser writing system that allows one to obtain micrometer features with high-quality borders is presented. After an overview of the complete fabrication process of masks to carry out the ion-exchange technique in glass in a selective way, a complete description of the experimental setup for direct laser writing is given, including details about such important parts as the control of the motorized stage and the system to perform focusing and alignment. A discussion of the way of focusing the laser beam in order to get the best performance is presented. Results of the characterization of the laser writing system and some examples of integrated optical elements and masks to fabricate them are shown.

Paper Details

Date Published: 1 April 1998
PDF: 9 pages
Opt. Eng. 37(4) doi: 10.1117/1.601945
Published in: Optical Engineering Volume 37, Issue 4
Show Author Affiliations
Jose Ramon Salgueiro, Univ. de Santiago de Compostela (Spain)
Juan F. Roman, Air Force Wright Lab. (Spain)
Vincente Moreno de las Cuevas, Univ. de Santiago de Compostela (Spain)

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