Zobrazeno 1 - 10
of 25
pro vyhledávání: '"William J. Hossack"'
Autor:
David Tyndall, William J. Hossack, Ian Underwood, Robert Henderson, Richard Walker, Krzysztof Nguyen
Publikováno v:
SID Symposium Digest of Technical Papers. 43:1151-1154
A novel Time of Flight based 3D imaging system incorporates adaptive structured illumination using holographic projection via a phase-modulating ferroelectric liquid crystal on silicon spatial light modulator. It demonstrates high optical signal to n
Publikováno v:
Optics Communications. 236:313-322
In phase modulating diffractive optical devices multi-phase modulation provides improved performance over binary modulation. Multi-phase modulation can be achieved by using nematic liquid crystal spatial light modulators (NLCSLM) with pulse-width mod
Publikováno v:
Optics Communications. 104:266-270
An iterative design method for electrically switchable liquid crystal fan-out elements using a constrained growing technique that ensures electrical conductivity is presented. Digital simulations are compared with initial optical results.
Publikováno v:
Optics and Lasers in Engineering. 19:253-260
An optical processor for generating a two-dimensional squared auto-correlation function is proposed in this paper. The incoherent-to-coherent conversion is performed by an optically-addressed spatial light modulator. The processor is meant to be used
Publikováno v:
Applied optics. 34(11)
pOptical processors for generating a two-dimensional squared autocorrelation function have been presented for postprocessing particle image velocimetry photographs of fluid flows. The incoherent-tocoherent conversion can be performed by an optically
Publikováno v:
Applied optics. 34(1)
An efficient, high-yield process for the production of binary-phase holograms is presented by controlled deposition of silicon nitride over a sapphire substrate with the binary structure formed by plasma etch of the silicon nitride. Optical results a
Autor:
Michael A. Ochsenkühn, Colin Campbell, Jochen Arlt, Jason Crain, Iain C. A. F. Robinson, Gerard Giraud, William J. Hossack
Publikováno v:
Journal of biophotonics. 3(3)
Intracellular imaging is a key tool in the investigation of host-pathogen interactions. Advances in this area are particularly sought to understand the effect of viral infection processes on the host cell and its metabolic functions including those c
Publikováno v:
Optics express. 14(7)
A ferroelectric liquid crystal spatial light modulator is used to generate up to 24 independently controllable traps in a holographic optical tweezers system using time-multiplexed Fresnel zone plates. For use in biological applications, helical zone
Publikováno v:
SPIE Proceedings.
A holographic optical tweezers system is constructed using time-shared multiplexing to generate multiple optical traps. Computer generated Fresnel zone plates are used to produce the required laser focuses for standard optical traps while helical zon
Publikováno v:
Optical Trapping and Optical Micromanipulation.
Typical optical tweezers setups use high numerical aperture oil-immersion objectives to trap particles suspended in an aqueous medium. When trapping deep inside a sample or out of the imaging plane the quality of the trap in such a system deteriorate