Light pulse intensity regenerator, light transforming repeater, preamplifier for light signal, light intensity change measuring apparatus and stabilized light source

Input light incident into fiber end is separated by a light separator. Light traveling straight through the light separator is guided through an optical fiber to a light amplifying and deflecting section, where only components with deflection angle in a predetermined range are amplified and deflecte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIRANO, ISUKE, AOSHIMA, SHINICHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 DEVICES USING STIMULATED EMISSION ELECTRICITY 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:	Input light incident into fiber end is separated by a light separator. Light traveling straight through the light separator is guided through an optical fiber to a light amplifying and deflecting section, where only components with deflection angle in a predetermined range are amplified and deflected then to be extracted. The extracted components are output as output light through an optical fiber. The other part of light separated by the light separator is received by a photo detector. The light received by the photo detector is converted into an electric signal, and the electric signal is then input into the light amplifying and deflecting section. Using the electric signal generated from the photo detector, desired wave shaping may be effected by adjusting a light amplification factor of the light amplifying and deflecting section, a change speed of deflection angle, and/or a range of deflection angle selected.