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US Patent 7525654 Tunable laser-based chemical imaging system

Patent 7525654 was granted and assigned to Duquesne University on April, 2009 by the United States Patent and Trademark Office.

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Patent
Patent

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Current Assignee
Duquesne University
Duquesne University
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7525654
Patent Inventor Names
Robert P. Cogdill0
Carl A. Anderson0
James K. Drennen, III0
Date of Patent
April 28, 2009
Patent Application Number
10969424
Date Filed
October 20, 2004
Patent Primary Examiner
‌
Gregory J. Toatley, Jr
Patent abstract

A chemical imaging device which utilizes a computer controlled tunable laser to provide light of wavelengths in the near infrared band and a focal plane array to image a sample illuminated at various wavelengths of light. The device also provides light intensity reference detectors at the source and terminus of the light delivery pathway for normalizing the collected images and for detecting defects in the light delivery pathway.

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