Optically generated liquid crystal gratings

Gibbons, Wayne M.; Sun, Shao‐Tang

doi:10.1063/1.112629

Cited by 73 publications

(34 citation statements)

References 6 publications

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“…Furthermore, with our simple method, fabrication seems feasible of patterned electrode/ªanchoringº surfaces which, for example, can control the tilt-angle of LCs with respect to the surface, [25,26] induce radial or azimuthal arrangement thereof, [27] or produce chirped LC gratings. [28] Also, microcutting of multilayers, in particular of polymer/polymer systems, should also permit the fabrication of curved alignment/electrode components [29] that generally are difficult to produce with other processes. Finally, the present method may enable simple fabrication of electronic components such as field-effect transistors.…”

Section: Discussionmentioning

confidence: 99%

Microcutting Materials on Polymer Substrates

Stutzmann¹,

Tervoort

Broer

et al. 2002

Adv. Funct. Mater.

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The production of micrometer and sub‐micrometer features over large areas for use in electronic and optical structures remains challenging, particularly as requirements extend beyond traditional electronic materials to ceramics and polymers. We demonstrate that the technique of microcutting allows patterning of such structures on polymer substrates of these materials as exemplified by the ceramic indium tin oxide (ITO) and the conducting polymer poly(3,4‐ethylenedioxythiophene) (PEDOT). Given the brittleness of most ceramics such as ITO, this is very unexpected, but we find no evidence for microcracking and find high electrical conductivities in narrow tracks (∼2.5 μm) that are separated by less than 500 nm. The micrometer‐scale patterns also act as very efficient alignment layers for liquid crystals (LCs), and allow complex alignment patterns.

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Section: Discussionmentioning

confidence: 99%

Microcutting Materials on Polymer Substrates

Stutzmann¹,

Tervoort

Broer

et al. 2002

Adv. Funct. Mater.

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“…First, by exploiting striped electrodes to generate periodic electrical field distribution and locally control the directors of uniformly aligned LCs. 5,6 The other is to directly guide the initial LC directors to realize periodic refractive index profile through patterned alignment layers [7][8][9] or holographic recording in polymer dispersed liquid crystals. 10,11 Linearly polarized light is needed for LC components which limits the optical efficiency, thus, introduction of approaches for polarization independent design is considerably important.…”

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confidence: 99%

Polarization independent liquid crystal gratings based on orthogonal photoalignments

Srivastava

Lin

et al. 2012

Appl. Phys. Lett.

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“…In addition, liquid crystals (LCs) doped with trace amounts of azo-dyes have also been studied as the recording media in recent years [16][17][18][19][20][21][22]. This is because LCs are suitable materials for creating polarization gratings owing to their large optical anisotropy and electro-optical effects [23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 98%