1 April 2003 On-line monitoring of the manufacturing process of optical microelements by means of controlled heating with laser
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Proceedings Volume 5024, Selected Papers on Optics and Photonics: Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics; (2003); doi: 10.1117/12.497165
Event: International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 2003, 2003, Moscow, Russian Federation
Abstract
This paper explores the use of a novel monitoring method in the manufacture process of optical microelements by means of controlled heating with laser. With this method, based on photoelasticity techniques, it is possible to display the mechanical stresses that forms the microelement and its optical properties. It is defined a new parameter, Relative Stress Area (RSA), which quantify the mechanical stress of a microelement during its creation process, make the comparison between different microelements possible. Also permits to display and quantify the three stages in the fabrication process: creation, balance and cooling. Different microlenses has been monitored and the results are presented in same images and graphs.
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J. E. Julia, Rafael Estrela, "On-line monitoring of the manufacturing process of optical microelements by means of controlled heating with laser", Proc. SPIE 5024, Selected Papers on Optics and Photonics: Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, (1 April 2003); doi: 10.1117/12.497165; https://doi.org/10.1117/12.497165
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KEYWORDS
Microlens

Optics manufacturing

Optical properties

Glasses

Image processing

Photoelasticity

Carbon dioxide lasers

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