Method for obtaining znse/zns optical element

The invention, belonging to the optical material technology field, discloses a method for obtaining polycrystal optical material and particularly a method for obtaining ZnSe/ZnS optical elements. The method comprises the steps of depositing zinc sulfide upon the surface of the Znse substrate in a va...

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Bibliographische Detailangaben
Hauptverfasser:	ZONG JIE, WU ZHIXIN, GAN SHUOWEN, ZHANG TAO, DEMIDENKO A. A, MIRONOV I. A, CARRIBEN E. A, GUSEV P. E, ZHAO XIAOLONG, LIN FENG, DUNAYEV A. A
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CRYSTAL GROWTH ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SEMICONDUCTOR DEVICES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	The invention, belonging to the optical material technology field, discloses a method for obtaining polycrystal optical material and particularly a method for obtaining ZnSe/ZnS optical elements. The method comprises the steps of depositing zinc sulfide upon the surface of the Znse substrate in a vacuum purification mode; carrying out pre-burning of the zinc sulfide powder inside a crucible for 1.5 to 3 hours with the temperature 20-50 DEG C higher than the depositing temperature; putting the surface-polished ZnSe plate into the crucible after cooling; and completing the depositing of the zinc sulfide protective coating in a vacuum steaming manner (with the speed being 0.02 to 0.1mm/h). The method reduces the impurity of the intermediate layer, cuts the light loss of the intermediate layer, and raises the transmission performance of the lamination ZnSe/ZnS material in the visible and infrared spectrum range. The obtained optical material can be applied to optical instrument protective window and window, there