Wide range high speed adjustable focusing of high frequency electromagnetic radiation

1,045,563. Modulating light. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 4, 1964 [June 28, 1963], No. 23117/64. Heading H4F. Apparatus for controlling the intensity, and more particularly the point of focus f, Fig. 3, of a beam 14 of plane polarized monochromatic light comprises a plate 50 of...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MAX ERHARD
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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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