Nematic Deformation in Homeotropically-Aligned Liquid Crystal Microlens and its Optical Properties

Gvozdarev, A.; Yudin, I. B.; Nevskaya, G. E.

doi:10.1080/10587250108029936

Cited by 7 publications

(1 citation statement)

References 3 publications

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“…Most of the proposed LC lenses are optical positive lenses. An LC negative lens has been reported using a negative homeotropically aligned LC, 17) but the focus of the lens can be varied only in a limited range. Furthermore, negative LCs and a homeotropical alignment are generally not preferred because of small electrical anisotropies and the occurrence of disclination lines.…”

Section: Introductionmentioning

confidence: 99%

Liquid Crystal Negative Lens

Wang¹,

Ye²,

Sato³

2005

Jpn. J. Appl. Phys.

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Analysis of the process of dissolving impurities in A 3 B 5 compounds has been carried out. A method has been suggested for determination of the heat of dissolution of impurities in A 3 B 5 compounds on the basis of relationships describing the equilibrium of the liquid-phase doping reaction with experimental values used for the coefficients of distribution. The thermodynamic properties of solid solutions of tellurium and zinc in gallium phosphide have been determined: the change of enthalpy and entropy, in particular, in the process of formation of a substitutional solid solution, and the heat of dissolution of impurities.

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Section: Introductionmentioning

confidence: 99%

Liquid Crystal Negative Lens

Wang¹,

Ye²,

Sato³

2005

Jpn. J. Appl. Phys.

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Calculation of nematic director deformation in homeotropically-aligned liquid crystal microlens

Gvozdarev

Yudin²,

Yudin³

et al. 1998

1998 4th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-98 (Cat. No.98EX17

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Comparison of homogeneously- and hybrid-aligned liquid crystal microlenses optical properties

Gvozdarev

Nevskaya

1998

1998 4th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-98 (Cat. No.98EX17

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Optical properties of homogeneously-and hibrid-aligned liquid crystal (LC) microlenses with positive dielectric anisotropy have been researched. Focal lengthvoltage dependencies are similar for both types of LC-microlens. When voltage is low the microlenses possess focusing optical properties. The focal distance decreases with voltage increasing then becomes minimal and increases. At higher voltage defocusing optical properties are observed. The microlens focal distance decreases approximating asimptotically to certain value. The numerical aperture decreases with microlens diameter increasing and it is smaller at hibrid-aligned LC-microlens comared to homogeneously-aligned one The results of experiments agree qualitatively with the results of [l-31.

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Nematic Deformation in Homeotropically-Aligned Liquid Crystal Microlens and its Optical Properties

Cited by 7 publications

References 3 publications

Liquid Crystal Negative Lens

Liquid Crystal Negative Lens

Calculation of nematic director deformation in homeotropically-aligned liquid crystal microlens

Comparison of homogeneously- and hybrid-aligned liquid crystal microlenses optical properties

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