OPTICAL POLARIZATION SPOT SIZE CHANGING DEVICES

In a beam-addressed optical memory, the spatial pattern of the focused light spot is selectively changed by making the light from the source traverse either a first or a second path. The focused light spot has a first spatial pattern when the light beam traverses the first path and a second, differe...

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Bibliographische Detailangaben
1. Verfasser:	BERNAL G E,US
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 INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	In a beam-addressed optical memory, the spatial pattern of the focused light spot is selectively changed by making the light from the source traverse either a first or a second path. The focused light spot has a first spatial pattern when the light beam traverses the first path and a second, different, spatial pattern when the light beam traverses the second path.