Drastically simplified holographic methods well suited for in-situ monitoring and process control in a practical industrial environment

Valery Petrov

doi:10.1117/12.339965

4 February 1999 Drastically simplified holographic methods well suited for in-situ monitoring and process control in a practical industrial environment

Valery Petrov

Author Affiliations +

Proceedings Volume 3589, Process Control and Sensors for Manufacturing II; (1999) https://doi.org/10.1117/12.339965
Event: Nondestructive Evaluation Techniques for Aging Infrastructures and Manufacturing, 1999, Newport Beach, CA, United States

Abstract

Several novel methods which drastically simplify production of holograms and holographic interferograms are presented. They relate to the holograms and holographic interferograms obtained on ultra high resolution silver halide media. The unique features of the innovative methods are: extreme simplicity, real time and quasi-real time data output, possibility to record, photoprocess and display holograms in daylight (in some cases even in direct sunlight illumination) without any interference filters; possibility to avoid any liquid baths for photoprocessing; proper color response of the reconstructed images. The novel user- friendly holographic methods can be easily allied for nondestructive optical checks in microelectronics, automotive, aerospace and other industries. They can also be applied for testing of the masterpieces of art. Corresponding examples are given. A novel supersmall holographic device is presented which suits well for in situ monitoring and process control in practical industrial environment. This device can be used as portable holographic interferometer without any lenses and no alignment problems enabling monochrome or color data output. Vast experimental data with photograph of displayed images from holograms and holographic interferograms are given. Real time in situ and quasi-real time holographic interferograms with proper color response are shown.

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Valery Petrov "Drastically simplified holographic methods well suited for in-situ monitoring and process control in a practical industrial environment", Proc. SPIE 3589, Process Control and Sensors for Manufacturing II, (4 February 1999); https://doi.org/10.1117/12.339965

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