Optical spectrometer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 29, 2005
Issued Date -
N/A
app pub date -
Jan 12, 2005
filing date -
Jul 12, 2002
priority date (Note) -
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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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