LIQUID/VAPOR OPTICAL MODULATOR

Apparatus and method for modulating light (111) involving the formation of bubbles (119) in a normally opaque fluid (107) contained within a cell (103,105,109) by focusing a beam (115) from a laser (117) in regions of the fluid (107). When such bubbles (119) are formed the modulator (101) becomes su...

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Bibliographische Detailangaben
Hauptverfasser:	LAWTON, JOHN A, HOHMAN, JR., JAMES L, LAGANIS, EVAN D
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	Apparatus and method for modulating light (111) involving the formation of bubbles (119) in a normally opaque fluid (107) contained within a cell (103,105,109) by focusing a beam (115) from a laser (117) in regions of the fluid (107). When such bubbles (119) are formed the modulator (101) becomes substantially transparent in the region of each bubble (119). When the laser beam (115) is turned off or moved away the bubble (119) condenses and the modulator (101) again becomes opaque in the region of the condensed bubble.