Home Products Precision Optics Application Filters CO2 Filters CO2 FILTERS OFFER HIGH SIGNAL-TO-NOISE RATIO Our CO2 filters offer a high signal-to-noise ratio that enables identification of any gas with a signature in the IR spectrum. THE MATERION ADVANTAGE A unique feature of our product is that multiple filters can be patterned or bonded into an array which allows the customer to use a single detector to detect multiple gases. Our narrow band filters for gas sensing are available in a broad range of bandwidths, or custom-made based on your requirements. High volume low cost High reliability and repeatability Low band shift with temperature Low band shift with angle NO band shift with temperature Contact Materion Precision Optics. We have over 25 years of experience in the design and manufacture of custom IR interference filters.