Title:
光学分光計
Document Type and Number:
Japanese Patent JP2005533249
Kind Code:
A
Abstract:
Incoming light is spectrally analyzed by diffracting the incoming light with a grating. At least a part of the incoming light is split off so that this part contains mainly one polarization component of the incoming light. It is ensured that this split-off part and a remaining part of the incoming light reach the grating with their polarized component mainly parallel to a main direction of polarization which is diffracted with maximal efficiency by the grating. For this purpose, at least the split-off part is diffracted after being passed through a polarization rotating element.
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Inventors:
Puppels Helwin Yang
Application Number:
JP2004521279A
Publication Date:
November 04, 2005
Filing Date:
July 12, 2002
Export Citation:
Assignee:
River Diagnostics Base Roten Fennaught Shap
International Classes:
G01J3/18; G01J3/447; (IPC1-7): G01J3/18
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato