Femtosecond inscription of the first order Bragg gratings in pure fused silica

Dubov, Mykhaylo; Mezentsev, Vladimir and Bennion, Ian (2007). Femtosecond inscription of the first order Bragg gratings in pure fused silica. IN: Nanotech 2006 Conference Technical Proceedings. Nano Science and Technology Institute.


The fabrication of sub-micron periodic structures beyond diffraction limit is a major motivation for the present paper. We describe the fabrication of the periodic structure of 25 mm long with a pitch size of 260 nm which is less than a third of the wavelength used. This is the smallest reported period of the periodic structure inscribed by direct point-by-point method. A prototype of the add-drop filter, which utilizes such gratings, was demonstrated in one stage fabrication process of femtosecond inscription, in the bulk fused silica.

Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
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Additional Information: NSTI Nanotechnology Conference and Trade Show 2006, Boston, Massachusetts (US), 7-11 May 2006.
Event Title: Nanotech 2006- 9th Annual NSTINanotechnology Conference and Trade Show
Event Type: Other
Event Location: Boston, Massachusetts
Event Dates: 2006-05-07 - 2006-05-11
Uncontrolled Keywords: diffraction, fused silica, software prototyping, add-drop filters, femto-second inscription, microfabrication
Published Date: 2007-06-08



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