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Proceedings Paper

Monitoring the rate of pulsed laser deposition of silver thin films using a fiber optic sensor
Author(s): John Shelly Mechery; Periasamy Radhakrishnan; V. P. N. Nampoori; C. P. G. Vallabhan
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Paper Abstract

A new sensing technique for the in situ monitoring of the rate of pulsed laser deposition of metal thin films has been developed. This optical fiber based sensor utilizes the evanescent wave penetration of waveguide modes into the uncladded portion of a multimode fiber. The utility of this optical fiber sensor is demonstrated in the case of pulsed laser deposition (PLD) of silver thin films obtained by a Q- switched Nd:YAG laser which is used to irradiate a silver target at the required conditions for the preparation of thin films. In the present paper we describe the performance and characteristics of this sensor and show how this device can be an effective tool for the monitoring of the deposition rate of silver thin films.

Paper Details

Date Published: 28 April 1999
PDF: 4 pages
Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); doi: 10.1117/12.347978
Show Author Affiliations
John Shelly Mechery, Cochin Univ. of Science and Technology (Singapore)
Periasamy Radhakrishnan, Cochin Univ. of Science and Technology (India)
V. P. N. Nampoori, Cochin Univ. of Science and Technology (India)
C. P. G. Vallabhan, Cochin Univ. of Science and Technology (India)


Published in SPIE Proceedings Vol. 3666:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98
Anurag Sharma; Banshi Dhar Gupta; Ajoy K. Ghatak, Editor(s)

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