Volume 20, Issue 2-4 705925 pp. 81-87
Article
Open Access

Realization of Optical Logic Gates Using the Thermal Lens Effect

Achamma Kurian

Corresponding Author

Achamma Kurian

International School of Photonics Cochin University of Science & Technology Cochin 682022, India , cusat.ac.in

Catholicate College Pathanamthitta 689645, India , catholicatecollege.co.in

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K. P. Unnikrishnan

K. P. Unnikrishnan

International School of Photonics Cochin University of Science & Technology Cochin 682022, India , cusat.ac.in

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Thomas Lee S.

Thomas Lee S.

International School of Photonics Cochin University of Science & Technology Cochin 682022, India , cusat.ac.in

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V. P. N. Nampoori

V. P. N. Nampoori

International School of Photonics Cochin University of Science & Technology Cochin 682022, India , cusat.ac.in

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C. P. G. Vallabhan

C. P. G. Vallabhan

International School of Photonics Cochin University of Science & Technology Cochin 682022, India , cusat.ac.in

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First published: 01 January 2002
Citations: 7

Abstract

A sensitive method based on the principle of photothermal phenomena to realize optical logic gates is presented. A dual beam thermal lens method using low power cw lasers in a dye-doped polymer can be very effectively used as an alternate technique to perform the logical function such as NAND, AND and OR.

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