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Throughout optics and photonics, phase is normally controlled via an optical path difference. Although much less common, an alternative means for phase control exists: a geometric phase (GP) shift occ...
Imagine watching the World Cup or the Super Bowl in 3-D in the comfort of your own home. That option may be available sooner than you think. With support from the National Science Foundation (NSF), op...
In 2010, Michael Escuti received funding from the National Science Foundation (NSF) to study and make novel hologram technologies.He created a tool that did much more."Not long after we received the N...
Noise reduction for digital holograms in a discrete cosine transform (DCT) domain
digital hologram noise reduction discrete cosine transform holographic reconstruction
2011/5/9
This paper presents a method for reducing noise in a digital hologram, which occurs during
acquisition. The algorithm proposed initially transforms a digital hologram into frequency-domain
data thro...
On-demand Optical Tweezers Using Computer-generated Phase Holograms
Holographic optical tweezers Spatial light modulator Time-multiplexing
2009/6/2
We have developed an optical tweezers system by on-demand operation. In this work, we achieved real-time displacement of a trapped particle together with a fixed trapped array of particles. The displa...