Optics: measuring and testing – Plural test
Reissue Patent
2008-01-01
2008-01-01
Lauchman, Layla G. (Department: 2877)
Optics: measuring and testing
Plural test
C356S051000, C356S318000, C356S417000, C250S339020, C250S339090, C250S339120
Reissue Patent
active
RE039977
ABSTRACT:
A chemical imaging system is provided which uses a near infrared radiation microscope. The system includes an illumination source which illuminates an area of a sample using light in the near infrared radiation wavelength and light in the visible wavelength. A multitude of spatially resolved spectra of transmitted, reflecteddelete-start id="DEL-S-00001" date="20080101" ?,delete-end id="DEL-S-00001" ?insert-start id="INS-S-00001" date="20080101" ?orinsert-end id="INS-S-00001" ?emitteddelete-start id="DEL-S-00002" date="20080101" ?or scattereddelete-end id="DEL-S-00002" ?near infrared wavelength radiation light from the illuminated area of the sample is collected and a collimated beam is produced therefrom. A near infrared imaging spectrometer is provided for selectingdelete-start id="DEL-S-00003" date="20080101" ?adelete-end id="DEL-S-00003" ?near infrared radiation imageinsert-start id="INS-S-00002" date="20080101" ?sinsert-end id="INS-S-00002" ?of the collimated beam.insert-start id="INS-S-00003" date="20080101" ?The spectrometer comprises a liquid crystal tunable filter.insert-end id="INS-S-00003" ?Thedelete-start id="DEL-S-00004" date="20080101" ?filtereddelete-end id="DEL-S-00004" ?insert-start id="INS-S-00004" date="20080101" ?selectedinsert-end id="INS-S-00004" ?images are collected by a detector for further processing. The visible wavelength light from the illuminated area of the sample is simultaneously detected providing for the simultaneous visible and near infrared chemical imaging analysis of the sample. Two efficient means for performing three dimensional near infrared chemical imaging microscopy are provided.
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Keitzer Scott
Nelson Matthew
Treado Patrick J.
ChemImage Corporation
Lauchman Layla G.
Morgan & Lewis & Bockius, LLP
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