Optimal pulse-width modulation for sinusoidal fringe generation with projector defocusing: comment |
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| Authors: | Ayubi Gastón A Ferrari José A |
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| Affiliation: | Instituto de Física, Facultad de Ingeniería, Universidad de la República, Montevideo, Uruguay. |
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| Abstract: | We comment on a recent Letter [Opt. Lett. 35, 4121 (2010)], in which the authors discuss an optimal pulse-width modulation (OPWM) method for sinusoidal fringe generation. We consider that the comparison of the squared binary method (SBM) and the sinusoidal pulse-width modulation (SPWM) method has considerable deficiencies. |
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