THERMAL LENS FORMING ELEMENT AND METHOD FOR MANUFACTURING THE SAME

THERMAL LENS FORMING ELEMENT AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To allow an inorganic pigment difficult to liquefy and easy to settle out when is colloidal-dispersed into a liquid, to be used for a thermal lens forming element.SOLUTION: There is provided a thermal lens forming element 100 including a control light absorbing region with an i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANAKA NORIO, TAKARADA SHIGERU
Format: Patent
Sprache:eng ; jpn
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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Zusammenfassung:PROBLEM TO BE SOLVED: To allow an inorganic pigment difficult to liquefy and easy to settle out when is colloidal-dispersed into a liquid, to be used for a thermal lens forming element.SOLUTION: There is provided a thermal lens forming element 100 including a control light absorbing region with an inorganic porous particle layer 6 impregnated with a mixture organic solvent 10, the layer 6 being made of inorganic porous particles containing pigments, in the front surfaces and in holes of the particles, absorbing a light with the wavelength of a control light and not absorbing a light with the wavelength of a signal light and the solvent 10 having the same index of refraction as the inorganic porous particles.SELECTED DRAWING: Figure 2c 【課題】溶液化が困難かつ液体中にコロイド分散させても沈降し易い無機色素を熱レンズ形成素子へ使用できるようにする。【解決手段】信号光の波長の光を吸収せず、制御光の波長の光を吸収する色素が表面および孔内に担持された無機多孔質粒子から成る無機多孔質粒子層６に、前記無機多孔質粒子と屈折率が同一になるよう調整された混合有機溶剤１０を含浸させた制御光吸収領域を有する熱レンズ形成素子１００である。【選択図】図２ｃ