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Microscopy imaging system and method employing stimulated raman spectroscopy as a contrast mechanism

United States Patent

8,027,032
September 27, 2011
View the Complete Patent at the US Patent & Trademark Office
A microscopy imaging system includes a first light source for providing a first train of pulses at a first center optical frequency .omega..sub.1, a second light source for providing a second train of pulses at a second center optical frequency .omega..sub.2, a modulator system, an optical detector, and a processor. The modulator system is for modulating a beam property of the second train of pulses at a modulation frequency f of at least 100 kHz. The optical detector is for detecting an integrated intensity of substantially all optical frequency components of the first train of pulses from the common focal volume by blocking the second train of pulses being modulated. The processor is for detecting, a modulation at the modulation frequency f, of the integrated intensity of the optical frequency components of the first train of pulses to provide a pixel of an image for the microscopy imaging system.
Xie; Xiaoliang Sunney (Lexington, MA), Freudiger; Christian (Boston, MA), Min; Wei (Cambridge, MA)
President & Fellows of Harvard College (Cambridge, MA)
12/ 196,746
August 22, 2008
SPONSORSHIP INFORMATION This invention was made with Government support under National Institutes of Health award 5DP1OD000277-05, Department of Energy award DE-FG02-07ER15875, and National Science Foundation award DBI-0649892. The Govermnent has certain rights in the invention.