On the real-time reconstruction of digital holograms displayed on photosensitive liquid crystal systems

Miniewicz, Andrzej; Myśliwiec, Jarosław; Kajzar, F.; Parka, Janusz

doi:10.1016/j.optmat.2005.08.020

Cited by 16 publications

(4 citation statements)

References 57 publications

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“…This new system shows quite large optical nonlinearities as nonlinear n 2 coefficients equal to 3.8 Â 10 À2 cm 2 W À1 and n 2 ¼ 5.4 Â 10 À3 cm 2 W À1 for POSS-BAFKU in 1294-1b and E-7 LC mixtures, respectively. Such nonlinearities can be exploited in several applications including all-optical image processing, 53,54 nonlinear optical ltering, 55 real-time holography 56,57 and wavefront correction. 58 The incorporation of azo-functionalized POSS nanoparticles into the LC cell polyimide alignment layer is highly attractive too, 59 as one will obtain a new functionality for pretilt angle change when exposing the anchoring layer to photoisomerizing light.…”

Section: Discussionmentioning

confidence: 99%

Photochromic and nonlinear optical properties of azo-functionalized POSS nanoparticles dispersed in nematic liquid crystals

et al. 2014

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Section: Discussionmentioning

confidence: 99%

Photochromic and nonlinear optical properties of azo-functionalized POSS nanoparticles dispersed in nematic liquid crystals

et al. 2014

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“…An optically addressed SLM could be used as well but it requires additional, optical addressing device (e.g. LCD projector) what would be unnecessary complication of the system [10]. The advantage of optically addressed SLM is nonpixelated structure (fill factor = 100%) therefore there are no light looses caused by diffraction.…”

Section: The Pros and Cons Of Lcos Slmmentioning

confidence: 99%

Phase only SLM as a reference element in Twyman-Green laser interferometer for MEMS measurement

Kacperski

Kujawińska

2007

SPIE Proceedings

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The active Twyman-Green laser interferometer for MEMS measurement equipped with Spatial Light Modulator (SLM) as a reference element is reported. The SLM is electrically addressed, reflective (made in Liquid Crystal on Silicone technology) and phase-only device which allows to actively shape of the reference beam wavefront in the interferometer. The proper use of the SLM in interferometric MEMS measurement is possible after opto-mechanical modification of the interferometer, performed calibration procedures and special interferogram processing. All these aspects are described. The use of such device benefits extension of measurement range and simplification testing procedures. Usefulness of the SLM is shown at the examples of active microelements testing. Advantages and disadvantages of SLM application are described and potential of this device for interferometry is discussed.

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“…The unique subtle balance between order and fluidity is not only deeply fascinating from a scientific point of view, but it gives rise to a broad range of spectacular spectral phenomena that are far from fully explored [1].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Picture of Structural and Electrochemical Properties of Fluorinated Liquid Crystals - a Theoretical Study

Prasad

Ojha

2017

Acta Phys. Pol. A

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A comparative picture of structural and electrochemical properties of fluorinated liquid crystals viz.p-phenylene-4-methoxybenzoate-4-trifluoromethylbenzoate (FLUORO1), and 4-propyloxyphenyl-4-(4-trifluoromethyl benzoyloxy) benzoate (FLUORO2) have been studied. The structure of liquid crystals have been optimized by the density functional B3LYP with 6-31 + G(d) basis set using crystallographic geometry as input. Molecular charge distribution, and phase stability of these molecules have been analyzed based on the Mulliken, and Loewdin population analysis. The electronic absorption spectra of molecules have been simulated by employing the density functional theory method. The effects of substituted groups on electrochemical properties such as highly occupied molecular orbital, lowly unoccupied molecular orbital energies, and energy gap (Eg) have been investigated. It has been observed that substitution of additional alkyl groups leads to prominent decrement in electrochemical properties.

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On the real-time reconstruction of digital holograms displayed on photosensitive liquid crystal systems

Cited by 16 publications

References 57 publications

Photochromic and nonlinear optical properties of azo-functionalized POSS nanoparticles dispersed in nematic liquid crystals

Photochromic and nonlinear optical properties of azo-functionalized POSS nanoparticles dispersed in nematic liquid crystals

Phase only SLM as a reference element in Twyman-Green laser interferometer for MEMS measurement

A Comparative Picture of Structural and Electrochemical Properties of Fluorinated Liquid Crystals - a Theoretical Study

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