Liquid evaporation light deflector

Applied Optics
G W Taylor

Abstract

A new type of general purpose digital light deflector is described, which is based on the electrically controlled vaporization of a high refractive index transparent liquid at an inclined interface formed by the liquid and a transparent solid. Deflectors operating on this principle can be designed to provide multiposition linear or angular displacement of a light beam in one or two dimensions. Such deflectors can be random accessed, are capable of large angular deflection, are simple and cheap to build, occupy a small volume, and should have a long operating life. Furthermore, they are not limited to deflecting only small diameter, monochromatic, polarized light beams. Millisecond deflection is possible at power levels of 0.3 W/mm(2) of light beam area. The deflectors have high optical transmission efficiency with on-off contrast ratios of 150: 1 and higher.

References

Mar 1, 1966·Applied Optics·R A Soref, D H McMahon
Oct 1, 1966·Applied Optics·V J Fowler, J Schlafer

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Citations

Jun 1, 1973·Applied Optics·G W Taylor

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