Infrared spectrophotometer
AssigneeUniversity of the West of Scotland
InventorsEWAN WADDELL, DESMOND GIBSON
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Abstract
An optical sensor for multispectral analysis of a fluid sample comprises at least one light source, at least one interference filter, and a plurality of light detectors arranged such that light emitted by the at least one light source is incident on the at least one interference filter. There is a spatial variation in the intensity of light incident on the said at least one interference filter.
Claims20
An optical sensor for multispectral analysis of a fluid sample, the sensor comprising at least one light source, at least one interference filter, and a plurality of light detectors arranged such that light emitted by the at least one light source is incident on the at least one interference filter, there being a spatial variation in the intensity of light from the at least one light source incident on the said at least one interference filter.
A method of detecting one or more species in a fluid sample, the method comprising:
- shining light through the fluid sample onto at least one interference filter, there being a spatial variation in the intensity of the light incident on the said at least one interference filter;
- receiving light transmitted through the and/or reflected by the at least one interference filter;
- and detecting one or more species in the fluid sample based on the transmitted and/or reflected light received.
An optical sensor comprising at least one light source, a reflective collector and at least one light detector, wherein the reflective collector comprises an internally facing reflective surface and an externally facing reflective surface, the internally and externally facing reflective surfaces being spaced apart from each other and being configured to collimate light emitted by the at least one light source.
Dependencies are inferred from the claim text.