Systems, methods, and computer program products for infrared (IR) image operations are provided. An example imaging system includes a first IR imaging device configured to generate first IR image data and a second IR imaging device configured to generate second IR image data. The system further includes a computing device that receives the first IR image data from the first IR imaging device and receives the second IR image data from the second IR imaging device. The computing device further determines a first feature representing a position of a gas plume based upon the first IR image data and a second feature representing a position of the gas plume based upon the second IR image data and determines a disparity between the first and second features. The computing device further determines a distance between the imaging system and the gas plume based upon the determined disparity.

Systems, methods, and computer program products for infrared (IR) image operations are provided. An example imaging system includes a first IR imaging device configured to generate first IR image data and a second IR imaging device configured to generate second IR image data. The system further includes a computing device that receives the first IR image data from the first IR imaging device and receives the second IR image data from the second IR imaging device. The computing device further determines a first feature representing a position of a gas plume based upon the first IR image data and a second feature representing a position of the gas plume based upon the second IR image data and determines a disparity between the first and second features. The computing device further determines a distance between the imaging system and the gas plume based upon the determined disparity.

A gas analysis system with an FTIR spectrometer preferably utilizes a long path gas cell, a narrow band detector, and an optical filter that narrows the detection region to measure hydrogen sulfide.

A gas analysis system with an FTIR spectrometer preferably utilizes a long path gas cell, a narrow band detector, and an optical filter that narrows the detection region to measure hydrogen sulfide.

Methods and systems for detecting barrier blockage in a gas detector are disclosed. In some embodiments, a gas detector comprises a barrier configured to define a sensing chamber of the gas detector. The gas detector further comprises a radiation detection system. The radiation detection system comprises a radiation source and a detector. The radiation detection system may be configured for generating output signals related to radiation transmitted through the barrier. The gas detector comprises a controller operatively connected to the radiation detection system. The controller is configured to: determine an amount of radiation transmitted through the barrier based on the output signals; and determine a condition of the barrier based on the determined amount of radiation, wherein the determined condition indicates whether the barrier is blocked.

Methods and systems for detecting barrier blockage in a gas detector are disclosed. In some embodiments, a gas detector comprises a barrier configured to define a sensing chamber of the gas detector. The gas detector further comprises a radiation detection system. The radiation detection system comprises a radiation source and a detector. The radiation detection system may be configured for generating output signals related to radiation transmitted through the barrier. The gas detector comprises a controller operatively connected to the radiation detection system. The controller is configured to: determine an amount of radiation transmitted through the barrier based on the output signals; and determine a condition of the barrier based on the determined amount of radiation, wherein the determined condition indicates whether the barrier is blocked.

In order to provide an absorbance analysis apparatus for DCR gas that can measure a concentration of a DCR gas by separating absorbance of the DCR gas alone even in a mixed gas consisting of the DCR gas and CO gas whose absorption spectrum overlaps each other, the absorbance analysis apparatus for DCR gas comprises a DCR filter 31 that is configured to transmit a light in a first wavenumber domain including an absorbance peak of the DCR gas, a CO filter 32 that is configured to transmit a light in a second wavenumber domain that is different from the first wavenumber domain, and a DCR gas volume calculator 4 that is configured to calculate volume of the DCR gas based on a first absorbance measured by the light transmitted through the DCR filter 31 and a second absorbance measured by the light transmitted through the CO filter 32.

In order to provide an absorbance analysis apparatus for DCR gas that can measure a concentration of a DCR gas by separating absorbance of the DCR gas alone even in a mixed gas consisting of the DCR gas and CO gas whose absorption spectrum overlaps each other, the absorbance analysis apparatus for DCR gas comprises a DCR filter 31 that is configured to transmit a light in a first wavenumber domain including an absorbance peak of the DCR gas, a CO filter 32 that is configured to transmit a light in a second wavenumber domain that is different from the first wavenumber domain, and a DCR gas volume calculator 4 that is configured to calculate volume of the DCR gas based on a first absorbance measured by the light transmitted through the DCR filter 31 and a second absorbance measured by the light transmitted through the CO filter 32.

Various embodiments may relate to a gas cell. The gas cell may include a chamber body. The gas cell may also include a chamber lid cooperating with the chamber body to form a space. The gas cell may further include an infrared source provided in a through hole of the chamber lid such that the infrared source extends through a thickness of the chamber lid. The gas cell may additionally include a detector provided in a through hole of the chamber body. The gas cell may further include an optical chip arranged within the space such that the optical chip is between the infrared source and the detector. The gas cell may also include three O-rings.

Various embodiments may relate to a gas cell. The gas cell may include a chamber body. The gas cell may also include a chamber lid cooperating with the chamber body to form a space. The gas cell may further include an infrared source provided in a through hole of the chamber lid such that the infrared source extends through a thickness of the chamber lid. The gas cell may additionally include a detector provided in a through hole of the chamber body. The gas cell may further include an optical chip arranged within the space such that the optical chip is between the infrared source and the detector. The gas cell may also include three O-rings.