Dr Andrew Kirby a.k.kirby@durham.ac.uk
Consultancy Work
Fast, large and controllable phase modulation using dual frequency liquid crystals
Kirby, A.K.; Love, G.D.
Authors
G.D. Love
Abstract
We report on a method for high speed, large stroke phase modulation using dual frequency control of liquid crystals. Our system uses an all-electronic feedback system in order to simplify the control. We show half wave phase modulations of ~120Hz with the operating point varying over nearly the full dynamic range of the device, and demonstrate larger phase shifts (2.5 waves) at a frequency of 37Hz. For large phase shifts, the speeds are an order of magnitude faster than existing techniques.
Citation
Kirby, A., & Love, G. (2004). Fast, large and controllable phase modulation using dual frequency liquid crystals. Optics Express, 12(7), 1470-1475. https://doi.org/10.1364/opex.12.001470
Journal Article Type | Article |
---|---|
Publication Date | 2004-04 |
Deposit Date | Feb 28, 2008 |
Publicly Available Date | Mar 29, 2024 |
Journal | Optics Express |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 7 |
Pages | 1470-1475 |
DOI | https://doi.org/10.1364/opex.12.001470 |
Keywords | Optical devices, Liquid-crystal devices. |
Files
Published Journal Article
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