Detectors With IR Filters Measure NO2

According to LASER COMPONENTS, it is the first manufacturer to offer its pyroelectric detectors with narrow-band IR filters for NO2 measuring (filter option V). This option makes NO2 measurement possible with non-dispersive infrared sensors (NDIR). Manufacturers of exhaust gas measurement systems will now be able to expand their devices by an additional IR measuring channel.


Usually, the amount of NO2 in exhaust gases has been determined by UV or electro-chemical methods. Engine development was the only field using laser-based IR processes. The concentration of carbon compounds, on the other hand, has long been measured using NDIR. As a result, different techniques were applied for each type of chemical compound.

Sponsored by Anritsu Company

New VNA technologies enable mmWave broadband testing to 220 GHz, helping researchers and engineers to overcome test challenges and simplify mmWave testing.

Application development in the mmWave frequencies is growing. Broadband testing over hundreds of GHz of bandwidth is subject to repeatability/accuracy deficits, and engineers demand solutions to help overcome challenges and simplify mmWave testing.


With the company’s NO2 filters, one device can cover both bases. For further knowledge, checkout the datasheet.


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