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    • 3. 发明申请
    • PROCESS AND DEVICE FOR THE WAVELENGTH-SELECTIVE MIXTURE AND/OR DISTRIBUTION OF POLYCHROMATIC LIGHT
    • 用于波长选择性混合和/或分布多色光的方法和装置
    • WO9919754A8
    • 1999-08-05
    • PCT/EP9806131
    • 1998-09-25
    • DEUTSCHE TELEKOM AGKOOPS HANS WILFRIED PETERSHERIDAN JOHNZUERN MARTIN
    • KOOPS HANS WILFRIED PETERSHERIDAN JOHNZUERN MARTIN
    • G02B6/12G02B6/122G03F7/00
    • B82Y20/00G01J3/0256G02B6/1225G03F7/0005
    • The problem of the wavelength-selective mixture or distribution of polychromatic light consists, when decomposing the spectrum into several spectrally delimited light beams of minor wavelength width, which are the determinant feature of a spectrometer, in making them as easy and reliable to select as possible. When mixing polychromatic light, lights having only one wavelength are successively fed to each member of a selective chain to form a partial spectrum, and when distributing chromatic light, one wavelength is filtered out of each member and the remaining spectrum is fed after reflection to the next member for being further decomposed. A chain of photonic crystals is used both for mixing and distributing and a wavelength-selective coupler/decoupler is associated to each crystal. The fields of application of the invention are, besides the wavelength-selective mixture or distribution of polychromatic light, also spectrometric measurements and thus environment monitoring.
    • 在波长选择混合或多色的光的分布,则问题是光谱的拆卸成多个光谱受限光束较低波长宽度,这也是一个光谱仪的质量显著特征的期间,基于所述简单和安全可能的选择。 选择性链的每个链路被依次提供给用于该混合物的单一波长的各个光,以形成频谱的一部分,并过滤在每个肢体分布的波长和反射到用于混合物的进一步分割的下一个元素之后被供应给相应的各个残余频谱。 对于混合和分布都使用光子晶体链,并且每个晶体被分配一个波长选择输入/输出耦合器。 除了多色光的波长选择性混合或分布之外,本发明的应用领域还包括光谱测量和因此环境监测。