Diffraction grating with suppressed zero order fabricated using dielectric forces

Gary G. Wells, Naresh Sampara, Emmanouil E. Kriezis, John Fyson, Carl V. Brown

Research output: Contribution to journalArticlepeer-review


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.
Original languageEnglish
Pages (from-to)4404-4406
Number of pages3
JournalOptics Letters
Issue number22
Publication statusPublished - 15 Nov 2011


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