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    • 3. 发明授权
    • Optical tunable filters and optical communication device incorporated therein optical tunable filters
    • 光可调谐滤波器和光通信装置并入其中的光可调谐滤波器
    • US06798940B2
    • 2004-09-28
    • US09853289
    • 2001-05-09
    • Myung-Lae LeeWon-Ick JangChang-Auck ChoiYoun-Tae Kim
    • Myung-Lae LeeWon-Ick JangChang-Auck ChoiYoun-Tae Kim
    • G02B626
    • G02B6/3584G02B6/29358G02B6/2938G02B6/29395G02B6/3512G02B6/356G02B6/357
    • The disclosure concerns to an optical filter for use in an optical communication device such as a multiplexer and demultiplexer. The optical filter is a Fabry-Perot filter that is formed with a silicon substrate by using a silicon micromachining process and a silicon etching process. The optical filters are applied to various optical communication devices, such as multiplexer (MUX) or demultiplexer (DEMUX) In each of the optical communication devices, the optical filters are installed and integrated on the silicon substrate together with input/output optical fibers and collimating lenses, resulting in simplifying the manufacturing process thereof and, hence, in reducing the manufacturing cost thereof. Furthermore, each of the optical filters incorporates therein an actuator so as to be tunable (wavelength-selective) in the optical filtering function and to be capable of filtering more various wavelengths in a range.
    • 本公开涉及用于诸如复用器和解复用器的光通信设备中的光学滤波器。 滤光器是通过使用硅微加工工艺和硅蚀刻工艺由硅衬底形成的法布里 - 珀罗滤光器。 光滤波器被应用于诸如多路复用器(MUX)或解复用器(DEMUX)的各种光通信设备。在每个光通信设备中,光滤波器与输入/输出光纤一起安装并集成在硅衬底上并准直 透镜,从而简化了其制造工艺,并因此降低了其制造成本。 此外,每个光学滤波器在其中结合有致动器,以便在光学滤波功能中是可调谐的(波长选择性的),并且能够在一定范围内滤波更多的各种波长。