Method and apparatus for creating transient optical elements and

Details Method and apparatus for creating transient optical elements and Method and apparatus for creating transient optical elements and

1990-07-11

1992-06-30

LaRoche, Eugene R.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359241, 359244, G02F 101, G02F 103

Patent

active

051268744

ABSTRACT:
A transient optical element is created by providing a body of a third order non-linear material and then passing a pulse of light through the body of non-linear material. The pulse of light has a cross-sectional area corresponding to the cross-sectional area of the transient optical element to be created and power sufficient to induce an index of refraction change over the portion of the body of non-linear material through which it passes. The portion of the body of non-linear material having the induced index of refraction change constitutes the transient optical element with the duration of the transient optical element depending on the response time of the non-linear material and the duration of pulse of light. Typical optical elements that can be so created include prisms, lenses, gratings, mirrors, beamsplitters and wave guides. By forming a plurality of optical elements within the third order non-linear material rather than simply a single optical element, a transient optical circuit can be created.

REFERENCES:
patent: 3743423 (1973-07-01), Heinz et al.
patent: 4496222 (1985-01-01), Shah
patent: 4585301 (1986-04-01), Bialkowski
patent: 4673250 (1987-06-01), Roberts et al.
patent: 4921336 (1990-05-01), Dagenais et al.
patent: 4960322 (1990-10-01), Khoshnevisan et al.

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