Spectral imaging device with tunable light source
First Claim
1. A spectral imaging device with a narrow band spectrally tunable light source for obtaining multi-spectral images of a target, said device comprising:
- A) a tunable optical parametric oscillator for producing short pulses of light at selected narrow band wavelengths within a broad spectral range, B) a short pulse laser driving said optical parametric oscillator, C) one or more optical components for conveying or directing said short pulses of light to said target, D) a camera comprising a many pixel array detector, said camera being positioned to obtain multi-spectral images of said target.
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Accused Products
Abstract
A spectral imaging device with a narrow band spectrally tunable light source. The light source includes an optical parametric oscillator that can be tuned across a wide range of wavelengths while illuminating a target. In a preferred embodiment, a Q-switched YAG laser pumps the OPO. Two-dimensional images of the target may be detected at various wavelengths by a imaging sensor with a many pixel focal plane array to generate data arrays known as hyper-spectral image cubes. These images detecting variations is optical parameters including transmission, reflectivity, and fluorescence of the target can be obtained in various spectral ranges from ultraviolet to infrared for a variety of applications in metrology, agriculture, life sciences, and in the pharmaceutical industry.
23 Citations
14 Claims
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1. A spectral imaging device with a narrow band spectrally tunable light source for obtaining multi-spectral images of a target, said device comprising:
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A) a tunable optical parametric oscillator for producing short pulses of light at selected narrow band wavelengths within a broad spectral range, B) a short pulse laser driving said optical parametric oscillator, C) one or more optical components for conveying or directing said short pulses of light to said target, D) a camera comprising a many pixel array detector, said camera being positioned to obtain multi-spectral images of said target. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification