A high speed digital light beam deflector

Schmidt, U.

doi:10.1016/0031-9163(64)91072-8

Cited by 24 publications

(4 citation statements)

References 3 publications

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“…4) There is no piezooptic effect. The low electrooptic coefficient of liquids made the development of special high-voltage switches necessary [12],…”

Section: B Deflectors Using Kerr Effect Liquidsmentioning

confidence: 99%

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Electrooptic materials for digital light beam deflectors

Pepperl

Schmidt

1973

Proc. IEEE

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The technology of digital deflectors made -cant progress in the past. The success of this development was primarily based on the advances made in the preparation of electrooptic mate& The selection criteria are described here for a material suitt able for the particular application under consideration, and a survey is made of the most promising electroopticmaterials, both solid state and liquid. The list of solid-state materials comprises representatives of the class of oxygen octahedra ferroelectrics, KDP isomorphs, and AR-type compounds. A section on Kerr liquids begins with c d e r ations for the optimization of the molecular structure and gives experimental results on some newly synthesized materials. Further, the impurity conduction phenomena that are important to the technical performance are described in detail. The fhal section reviews the present state of digital deflector development.

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“…4) There is no piezooptic effect. The low electrooptic coefficient of liquids made the development of special high-voltage switches necessary [12],…”

Section: B Deflectors Using Kerr Effect Liquidsmentioning

confidence: 99%

“…[l], [lo], [ l l ] and whose optical properties have been outlined in a number of papers, e.g., [9], [12], [ I s ] , [14]. A brief description of the basic idea will, however, be given in Section 11.…”

Section: Introductionmentioning

confidence: 99%

Electrooptic materials for digital light beam deflectors

Pepperl

Schmidt

1973

Proc. IEEE

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“…Video demonstrations of these experiments (Figs. 3,5,7,9 and 10) can be found in ref#20 and the Optics Express website. http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-5-868…”

Section: Introductionmentioning

confidence: 99%

“…These previously demonstrated polarization based scanners (Refs. [1][2][3][4][5][6][7][8][9][15][16][17]) have been limited to 1-D and 2-D scans with discrete scan beam spots. Other limitations of these scanners have included high drive voltages, pixelation, and non-programmable birefringent plate designs.…”

Section: Introductionmentioning

confidence: 99%

Demonstration of 3-dimensional wide-angle no-moving-parts laser beam steering

Khan

Riza

2004

SPIE Proceedings

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Design and demonstration of a versatile liquid crystal-based scanner is shown for steering a laser beam in three dimensions. The scanner consists of a unique combination of digital and analog control polarization-based beamforming optics resulting in both continuous and random fashion beam steering. The scanner features a novel device biasing method, large aperture beamforming optics, low electrical power consumption, and ultra-fine as well as wide angle coarse beam steering. Demonstrations include one, two and three dimensional beam steering with a maximum of 40.92 o continuous scan, all at 1550 nm. The minimum scanner aperture is 1 cm diameter and uses a combination of ferroelectric and nematic liquid crystals in addition to Rutile crystal birefringent prisms.

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A High-Capacity Digital Light Deflector Using Wollaston Prisms

Tabor¹

1967

Bell System Technical Journal

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A high speed digital light beam deflector

Cited by 24 publications

References 3 publications

Electrooptic materials for digital light beam deflectors

Electrooptic materials for digital light beam deflectors

Demonstration of 3-dimensional wide-angle no-moving-parts laser beam steering

A High-Capacity Digital Light Deflector Using Wollaston Prisms

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