Optical imaging method, and an apparatus for optical imaging
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United States of America Patent
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Issued Date -
Apr 29, 2004
app pub date -
Jan 17, 2003
filing date -
Jan 18, 2002
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Abandoned
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Abstract
In an imaging method, an object to be examined is treated with an optically activatable contrast medium and illuminated via a plurality of LEDs. Luminescent light excited by the irradiation is detected by a detector. The LEDs have emission wavelengths preferably different from one another. There are preferably different spectral filter combinations present that respectively include as a structural unit, an excitation filter for selecting an excitation wavelength from the radiation output by the excitation source, and a luminescence filter for filtering out wavelengths above the expected emission maximum of the luminescent light.
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