OPTICAL SYSTEM FORMING BEAM ( VARIANTS ) AND OPTICAL SENSOR

OPTICAL SYSTEM FORMING BEAM ( VARIANTS ) AND OPTICAL SENSOR

optics. SUBSTANCE: given optical system incorporates light source, plane-parallel plates placed in relative symmetric position with reference to plane perpendicular to optical axis of light source, photodetector detecting light reflected from optical recording medium and cylindrical lens. Cylindrica...

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Hauptverfasser: KIM TAE-KIJUNG, SEONG P'ONG-JONG, LI CHUL-VU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator KIM TAE-KIJUNG
SEONG P'ONG-JONG
LI CHUL-VU
description optics. SUBSTANCE: given optical system incorporates light source, plane-parallel plates placed in relative symmetric position with reference to plane perpendicular to optical axis of light source, photodetector detecting light reflected from optical recording medium and cylindrical lens. Cylindrical lens is located between light source and plane-parallel plates. First plane-parallel plate on which light beam falls from cylindrical lens lets this beam pass through and reflects light beam reflected from optical recording medium towards photodetector. EFFECT: enhanced efficiency of usage of light beam and minimal aberration of wave front. 28 cl, 8 dwg
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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title OPTICAL SYSTEM FORMING BEAM ( VARIANTS ) AND OPTICAL SENSOR
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