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Nematic liquid-crystal spatial light modulator

CiteSeerX — VIII-B-1 Developments of Liquid Crystal Spatial Light Modulator

CiteSeerX — VIII-B-1 Developments of Liquid Crystal Spatial Light Modulator

... of Liquid Crystal Spatial Light Modulator SATO, Shin-ichiro; WATANABE, Kazuo The chemical reaction controls with laser lights are one of the most important subjects of ...a ...

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Finite element method for 3D optical modeling of liquid crystal on silicon spatial light modulator

Finite element method for 3D optical modeling of liquid crystal on silicon spatial light modulator

... b HOLOEYE Photonics AG, Volmerstr. 1, 12489 Berlin, Germany ABSTRACT Accurate optical modeling for design and optimization of liquid crystal on silicon spatial light modulators (LCoS SLMs) is ...

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Multi-spectral random illumination using a liquid crystal spatial light modulator

Multi-spectral random illumination using a liquid crystal spatial light modulator

... The nonlinearity of the optimization problem is very strong. Traditional optimization methods may easily con- verge to the local maxima. Thus, we use the genetic algo- rithm function ga in MATLAB to optimize the ...

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A direct comparison between a MEMS deformable mirror and a liquid crystal spatial light modulator in signal-based wavefront sensing

A direct comparison between a MEMS deformable mirror and a liquid crystal spatial light modulator in signal-based wavefront sensing

... a spatial light modulator in signal-based wavefront sensing, was compared under identical ...reflecting spatial light ...the spatial light modulator can be a good ...

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Deformed-helix ferroelectric liquid-crystal spatial light modulator that demonstrates high diffraction efficiency and 370-line pairs mm resolution

Deformed-helix ferroelectric liquid-crystal spatial light modulator that demonstrates high diffraction efficiency and 370-line pairs mm resolution

... write light is not present, because the carrier lifetime in the PC layer is much longer than the 48-ms ...the spatial frequency of the grating is 18 lp ...

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Miscibility Study of Nematic Liquid Crystal with Cholesteric Liquid crystal

Miscibility Study of Nematic Liquid Crystal with Cholesteric Liquid crystal

... When light passes through the sample, energy from the light is used to promote an electron from a bonding or non- bonding orbital into one of the empty anti-bonding ...absorbing light in the visible ...

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Dynamics of Discs in a Nematic Liquid Crystal

Dynamics of Discs in a Nematic Liquid Crystal

... of liquid crystal research and optical ...of light thought the liquid crystal sample for ...defect-free liquid crystal and would not work in case of any ...transmitted ...

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Nematic liquid crystal alignment on chemical patterns

Nematic liquid crystal alignment on chemical patterns

... I. INTRODUCTION Techniques for patterning substrates on the micron-scale are now routine in surface sci- ence. Some of these methods can readily be used to produce features on the nano-scale. However, almost nothing is ...

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Nematic liquid crystal alignment on stripe patterned substrates

Nematic liquid crystal alignment on stripe patterned substrates

... a spatial variation in its y- and z-components, the x-component remaining small ...bulk nematic was found to adopt a spatially uniform configuration rather than a periodically distorted ...

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Flexoelectric polarisation effects in nematic liquid crystal phase gratings

Flexoelectric polarisation effects in nematic liquid crystal phase gratings

... Immediately after the application of the positive voltage (t > 2.50 sec) a series of strong diffraction spots appear up to order ±15. The highest orders reduce in intensity within 1.25 sec but the lower orders persist ...

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Dynamics of Nanoparticles Assembly at the Interface of a Nematic Liquid  Crystal Droplet

Dynamics of Nanoparticles Assembly at the Interface of a Nematic Liquid Crystal Droplet

... cloudy liquid to clear ...this liquid crystal upon cooling; first a pale blue color appeared as the liquid crystal turned cloudy and then a bright blue-violet color appeared as the ...

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Characterization of carbon nanotube–thermotropic nematic liquid crystal composites

Characterization of carbon nanotube–thermotropic nematic liquid crystal composites

... where: d h - hydrodynamic diameter of the particle size d; D - translational diffusion coefficient; k - Boltzmann’s constant; T - absolute temperature; η - viscosity. The hydrodynamic diameter refers to how a particle ...

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Surface anchoring controls orientation of a microswimmer in nematic liquid crystal

Surface anchoring controls orientation of a microswimmer in nematic liquid crystal

... The liquid crystal far field director orientation is shown by n ∞ ...the liquid crystal director field; near the microswimmer these segments are tangential to the microswimmer’s surface, thus ...

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Small amplitude oscillatory flows of nematic liquid crystal polymers

Small amplitude oscillatory flows of nematic liquid crystal polymers

... Therefore, it allows us to impose a linear velocity profile and then compute the orientation’s reaction. A modified version of this chapter appears in Choate and Forest (2006). 2.1 Monodomain limit and ...

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Capacitive Interdigital Sensor with Inhomogeneous Nematic Liquid Crystal Film

Capacitive Interdigital Sensor with Inhomogeneous Nematic Liquid Crystal Film

... The spatial distance of the periodic interdigitated cell is called a unit cell which could be defined as the distance between the centerlines of the adjacent fingers belonging to the same ...

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Nonlinear optical beams in bounded nematic liquid crystal cells

Nonlinear optical beams in bounded nematic liquid crystal cells

... a nematic liquid crystal due to a balance between the nonlinear, nonlocal response of the nematic and the diffractive spreading of the light ...a nematic liquid ...

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Microlenses immersed in nematic liquid crystal with electrically controllable focal length

Microlenses immersed in nematic liquid crystal with electrically controllable focal length

... optically, a lensing structure. However, the approximation to an ideal lens optical phase profile (i.e. small aberrations) is true only for a limited voltage range. Such lenses have applications as optical fibre switches ...

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Electrically tunable lens based on a dual-frequency nematic liquid crystal

Electrically tunable lens based on a dual-frequency nematic liquid crystal

... A light beam from a He–Ne laser 共␭ ⫽ 633 nm兲 passes through a beam expander and a polarizer P oriented parallel to the projection of the LC easy axis onto the xy plane ...the light beam passes through the ...

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Third-ordernonlinear optical properties of Spatial Light Modulator

Third-ordernonlinear optical properties of Spatial Light Modulator

... Roopashree, M.B., A. Vyas, R. Banyal and B.R. Prasad, phase characteristics of reflecting and transmitting type twisted nematic spatial light modulator. Shahriari,E.and W.M. Mat Yunus, 2010. ...

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A 2D spatial light modulator for spatio temporal shaping

A 2D spatial light modulator for spatio temporal shaping

... Phase Modulator (PPM). The PPM consists of a parallel aligned nematic liquid crystal (PAL-SLM) which is optically addressed with an ...write- light is shone on it from the back. The ...

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