Apparatus And Method For Cross Axis Parallel Spectroscopy

  • Published: Nov 5, 2009
  • Earliest Priority: Apr 30 2008
  • Family: 4
  • Cited Works: 0
  • Cited by: 2
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An exemplary embodiment of apparatus and method to measure and filter the spectrum of electro-magnetic radiation using multiple dispersive elements, such as diffraction gratings or VIPA etalons, concatenated in a cross-axis orthogonal arrangement can be provided. For example, it is possible to receive at least one first electro-magnetic radiation and generate at least one second electro-magnetic radiation using at least one first spectral separating arrangement. A first spectrum of the second electro-magnetic radiation can be dispersed along at least one first dispersive axis with respect to a propagation direction of the second electro-magnetic radiation. In addition, it is possible to, using at least one second arrangement, receive the second electro-magnetic radiation and produce at least one third electromagnetic radiation having a second spectrum dispersed along at least one second dispersive axis with respect to a propagation direction of the third electromagnetic radiation. The orientations of the respective first and second dispersive axes can be different from one another. The first and/or second dispersive arrangements can be VIPA etalon arrangements

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Document History
  • Publication: Nov 5, 2009
  • Application: Apr 27, 2009
    WO US 2009/0041827 W
  • Priority: Apr 30, 2008
    US US 11220508 A

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