Hydrogen sulfide imaging system
AssigneeRebellion Photonics, Inc.
InventorsRobert Timothy Kester, Nathan Adrian Hagen
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Abstract
Various embodiments disclosed herein describe an infrared (IR) imaging system for detecting a gas. The imaging system can include an optical filter that selectively passes light having a wavelength in a range of 1585 nm to 1595 nm while attenuating light at wavelengths above 1600 nm and below 1580 nm. The system can include an optical detector array sensitive to light having a wavelength of 1590 that is positioned rear of the optical filter.
Claims22
1-105. (canceled)
An infrared (IR) imaging system for detecting carbon dioxide (CO2) gas, the imaging system comprising:
- an optical detector array;
- and
- an optical filter that selectively transfers light within a band of IR wavelengths to the optical detector array,
- wherein, within the band of IR wavelengths, a convolution of the optical filter with an absorption spectrum of CO2 gas is greater than a convolution of the optical filter with an absorption spectrum of hydrogen sulfide (H2S), or methane (CH4), or sulfur dioxide (SO2), or water (H2O).
An infrared (IR) imaging system for detecting carbon dioxide (CO2) gas, the imaging system comprising:
- an optical detector array;
- and
- an optical filter that selectively transfers light within a band of IR wavelengths to the optical detector,
- wherein the optical filter comprises a passband that transmits within the passband a first signal representative of carbon dioxide (CO2) and a second signal representative of one of hydrogen sulfide (HS), methane (CH4), water (H2O), and sulfur dioxide (SO2), the first signal comprising a first peak within the passband, the second signal comprising a second peak within the passband, wherein a ratio of the first peak to the second peak is in a range of 1 to 100,000.
-167. (canceled)
Dependencies are inferred from the claim text.