119 citations · 123 across the 2 of their papers we have counts for
2 papers
physics.optics2007★ 119 cited
Spatial amplitude and phase modulation using commercial twisted nematic LCDs
E. G. van Putten, I. M. Vellekoop, A. P. Mosk
We present a method for full spatial phase and amplitude control of a laser beam using a twisted nematic liquid crystal display combined with a spatial filter. By spatial filtering…
physics.ed-ph2006★ 4 cited
Recognition of paper samples by correlation of their speckle patterns
F. van Beijnum, E. G. van Putten, K. L. van der Molen +1
Buchanan et al. [Nature 436, p. 475 (2005)] have shown that it is possible to recognize paper samples via their speckle pattern by using a line-shaped laser focus, four photo detec…