Patent ID: 11885745
Assignee: PHOTOTHERMAL SPECTROSCOPY CORP.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A method of performing infrared imaging of a sample, the method comprising:
illuminating the sample with a beam of excitation radiation to excite autofluorescent emission from the sample;
capturing at least a portion of the autofluorescent emission from the sample with a camera-based detector to produce a frame autofluorescent image of the sample;
illuminating at least a portion of the sample corresponding to the frame autofluorescent image with a beam of infrared radiation;
capturing at least a portion of the autofluorescent emission from the sample with the camera-based detector while the portion of the autofluorescent emission from the sample is perturbed by the infrared light absorbed by the sample to produce an IR-absorbed frame autofluorescent image; and
constructing a signal indicative of infrared absorption by the sample using the frame autofluorescent image and the IR-absorbed frame autofluorescent image.