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    • 22. 发明授权
    • Process for the production of an optical lens
    • 制造光学透镜的方法
    • US08025818B2
    • 2011-09-27
    • US12700022
    • 2010-02-04
    • Jochen AlkemperJoe HaydenJosé ZimmerFrank-Thomas LentesSteffen ReichelUlrich Peuchert
    • Jochen AlkemperJoe HaydenJosé ZimmerFrank-Thomas LentesSteffen ReichelUlrich Peuchert
    • B29D11/00
    • G02B3/00G02B5/1852G02B5/1857G02B5/1895G02B27/4211
    • The invention relates to an optical hybrid lens. According to the invention, the lens consists of a substrate (1) that consists of a ceramic having a predetermined shape and at least another material (2), which covers a surface of the substrate (1) at least in certain sections in order to form a lens surface.Use of an optical ceramic as a material enables an additional degree of freedom for adjusting the imaging properties of the hybrid lens. The optical ceramic may have a high refractive index and a low dispersion. The other material can be a material that can be deformed or recast at temperatures that are low in comparison to those of the optical ceramic. In particular the other material can be a low-TG glass or a polymer. The other material is directly applied onto the substrate without a further surface finishing being necessarily required.Other aspects of the invention relate to an optical lens group, an optical image acquisition device, and a process for manufacturing a hybrid lens.
    • 本发明涉及一种光学混合透镜。 根据本发明,透镜包括由具有预定形状的陶瓷和至少另一材料(2)组成的基底(1),其至少在某些部分覆盖基底(1)的表面,以至 形成透镜表面。 使用光学陶瓷作为材料能够提供用于调整混合透镜的成像特性的附加自由度。 光学陶瓷可以具有高折射率和低色散。 另一种材料可以是在与光学陶瓷的温度相比较低的温度下可以变形或重铸的材料。 特别地,其它材料可以是低TG玻璃或聚合物。 另一种材料直接施加到基材上,而不需要进一步的表面处理。 本发明的其他方面涉及一种光学透镜组,光学图像采集装置和用于制造混合透镜的工艺。
    • 27. 发明授权
    • Determining the suitability of an optical material for the production of optical elements, corresponding device, and use of said material
    • 确定用于制造光学元件的光学材料的适用性,相应的装置以及所述材料的使用
    • US07256887B2
    • 2007-08-14
    • US10527850
    • 2003-09-16
    • Christian MuehligWolfgang TriebelJochen AlkemperRegina Martin
    • Christian MuehligWolfgang TriebelJochen AlkemperRegina Martin
    • G01N21/64
    • G01N21/6402
    • The method tests the suitability of an optical material having a radiation-induced absorption, especially of an alkali or alkaline earth halide, for production of an optical element exposed to high-energy irradiation. The method includes pre-irradiating the optical material with laser radiation until rapid damage induced in the optical material with the laser radiation is saturated; subsequently measuring fluorescence of the optical material during and/or immediately after irradiating the optical material with excitation radiation and determining the non-intrinsic fluorescence and intrinsic fluorescence present in the measured fluorescence. Suitability may be preferably determined according to a ratio of the amount of non-intrinsic fluorescence to intrinsic fluorescence. A device for performing the method including a barrier device for blocking scattered excitation radiation is also provided.
    • 该方法测试具有辐射​​诱发吸收的光学材料,特别是碱金属或碱土金属卤化物的光学材料适用于生产暴露于高能辐射的光学元件。 该方法包括用激光辐射预先照射光学材料,直到激光辐射在光学材料中引起的快速损伤饱和为止; 随后在用激发辐射照射光学材料期间和/或之后立即测量光学材料的荧光,并确定所测量的荧光中存在的非固有荧光和固有荧光。 可以根据非固有荧光量与固有荧光的比率来确定适宜性。 还提供了一种用于执行包括阻挡散射激发辐射的屏障装置的方法的装置。