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Controlling the cross-section of waveguides inscribed on bulk chalcogenide glasses using fast laser

Sabapathy, Tamilarasan and Sivakumar, Gayathri and Ayiriveetil, Arunbabu and Kar, Ajoy K and Asokan, Sundarrajan (2014) Controlling the cross-section of waveguides inscribed on bulk chalcogenide glasses using fast laser. In: OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 8 (11-12). pp. 1001-1004.

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Waveguides have been fabricated on melt-quenched, bulk chalcogenide glasses using the femto-second laser inscription technique at low repetition rates in the single scan regime. The inscribed waveguides have been characterized by butt-coupling method and the diameter of the waveguide calculated using the mode-field image of the waveguide. The waveguide cross-section symmetry is analyzed using the heat diffusion model by relating the energy and translation speed of the laser. The net-fluence and symmetry of the waveguides are correlated based on the theoretical values and experimental results of guiding cross-section.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the NATL INST OPTOELECTRONICS, 1 ATOMISTILOR ST, PO BOX MG-5, BUCHAREST-MAGURELE 76900, ROMANIA
Keywords: Integrated optics devices; Laser materials processing and Chalcogenide glasses
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 20 Feb 2015 11:56
Last Modified: 20 Feb 2015 11:56
URI: http://eprints.iisc.ac.in/id/eprint/50828

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