Patent ID: 9651422
Date: 2017-05-16
CPC Classifications: G01J,G01N

Claim:
1. A spectroscopic method for detecting and/or quantifying one or more species in a sample, the method comprising the steps of: directing electromagnetic radiation from an electromagnetic radiation source into an optical filter module comprising one or more optical interference filters, the one or more optical filters comprising a plurality of multiplexed bandpass regions configured to transmit multiple wavelength bands of electromagnetic radiation through the filter module simultaneously; directing the simultaneously transmitted multiple wavelength bands of electromagnetic radiation through a sample comprising one or more species; directing the simultaneously transmitted multiple wavelength bands of electromagnetic radiation from the sample into an optical detector; generating, by the optical detector, one or more electrical signals indicative of electromagnetic radiation intensity over a sweep of wavelengths within each of the multiple wavelength bands; continuously sweeping the plurality of multiplexed bandpass regions to produce data corresponding to the one or more electrical signals; and processing the data corresponding to the one or more electrical signals to identify and/or quantify one or more species present in the sample.