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    • 9. 发明授权
    • Optical thin-film notch filter with very wide pass band regions
    • 具有非常宽的通带区域的光学薄膜陷波滤波器
    • US09354370B1
    • 2016-05-31
    • US12238228
    • 2008-09-25
    • Turan ErdoganLigang Wang
    • Turan ErdoganLigang Wang
    • G02B5/28
    • G02B5/288G02B5/285
    • The present disclosure relates to thin film notch filters having the basic structure of an interference filter. In some embodiments, the filters according to the present disclosure exhibit at least one notch correlating to a pass band defect. The filters of the present disclosure may exhibit at least one of improved pass band bandwidth, improved edge steepness, narrower notch band FWHM, and lower sensitivity to material mismatch, relative to prior known thin film notch filters based on the basic structure of an interference filter. The present disclosure also relates to methods of making the filters described herein, and the use of these filters in optimal measurement systems.
    • 本公开涉及具有干涉滤光器的基本结构的薄膜陷波滤波器。 在一些实施例中,根据本公开的滤波器显示与通带缺陷相关的至少一个陷波。 相对于现有的已知的薄膜陷波滤波器,本发明的滤波器可以基于干扰滤波器的基本结构展现出改进的通带带宽,改进的边缘陡度,窄陷波段FWHM和对材料失配的较低灵敏度中的至少一个 。 本公开还涉及制造本文所述的过滤器的方法以及这些过滤器在最佳测量系统中的使用。
    • 10. 发明授权
    • Optical thin-film polarizing bandpass filter
    • 光学薄膜偏振带通滤光片
    • US08879150B1
    • 2014-11-04
    • US12728124
    • 2010-03-19
    • Ligang WangCraig HodgsonTuran Erdogan
    • Ligang WangCraig HodgsonTuran Erdogan
    • G02B5/30G02B27/28
    • G02B5/3041
    • Optical components and their methods of manufacture are provided, including a first stack of layers configured to exhibit a first stop band for s-polarized radiation and a second stop band for p-polarized radiation incident on the first stack of layers at an oblique angle, a second stack of layers configured to exhibit a third stop band for s-polarized radiation and a fourth stop band for p-polarized radiation incident on the second stack of layers at the oblique angle, where the cut-on wavelength for the first stop band is approximately equal to or larger than the cut-off wavelength for the third stop band. Optical components are further provided to include extended blocking functionality, and to permit stress balancing in thin-film coatings on opposite sides of a substrate.
    • 提供了光学部件及其制造方法,包括被构造成呈现s偏振辐射的第一阻挡带的第一层叠层和用于以倾斜角入射在第一层叠层上的p偏振辐射的第二阻挡带, 第二堆叠层,被配置为呈现s偏振辐射的第三阻挡带和用于以倾斜角度入射在第二层叠层上的p偏振辐射的第四阻挡带,其中第一阻挡带的切入波长 大约等于或大于第三挡带的截止波长。 进一步提供光学部件以包括延伸的阻挡功能,并且允许在衬底的相对侧上的薄膜涂层中的应力平衡。