A multivariate
optical computing and analysis
system includes a
light source configured to radiate a
first light along a first
ray path; a modulator disposed in the first
ray path, the modulator configured to modulate the
first light to a desired frequency; a spectral element disposed
proximate the modulator, the spectral element configured to filter the
first light for a spectral range of interest of a sample; a cavity disposed in communication with the spectral element, the cavity configured to direct the first light in a direction of the sample; a tube disposed
proximate the cavity, the tube configured to receive and direct a second light generated by a reflection of the first light from the sample, the tube being further configured to separate the first and second lights; a beamsplitter configured to split the second light into a first beam and a second beam; an
optical filter mechanism disposed to receive the first beam, the
optical filter mechanism configured to optically filter data carried by the first beam into at least one orthogonal component of the first beam; and a
detector mechanism in communication with the
optical filter mechanism to measure a property of the orthogonal component to measure the data.