Diffraction grating with suppressed zero order fabricated using dielectric forces

Wells, Gary, Sampara, Naresh, Kriezis, Emmanouil, Fyson, John and Brown, Carl (2011) Diffraction grating with suppressed zero order fabricated using dielectric forces. Optics Letters, 36 (22). pp. 4404-4406. ISSN 0146-9592

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Abstract

An electric-field-assisted method to produce diffractive optical devices is demonstrated. A uniform film of liquid UV curable resin was produced as a drying ring from an organic solvent. Dielectrophoresis forces maintained the stability of the thin film and also imprinted a periodic corrugation deformation of pitch 20 μm on the film surface. Continuous in situ voltage-controlled adjustment of the optical diffraction pattern was carried out simultaneously with UV curing. A fully cured solid phase grating was produced with the particular voltage-selected tailored optical property that the zero transmitted order was suppressed for laser light at 633 nm.

Item Type:	Article
Subjects:	F300 Physics
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	07 Jan 2014 12:39
Last Modified:	13 Oct 2019 00:31
URI:	http://nrl.northumbria.ac.uk/id/eprint/15023

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