12.4µm CWL, 25.0mm Diameter, 0.25µm FWHM, IR Bandpass Filter

Product Details Ideal for Gas Analysis Center Wavelengths of 2.7-12.4μm Single Substrate Interference Filter Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team. Infrared (IR) Bandpass Filters, developed with durability in mind, provide the high transmission and deep rejection needed to isolate narrow spectral regions. The single substrate dielectric construction ensures easy maintenance, allowing for use in harsh environments. The filters are ideal for environmental monitoring, security and FLIR applications. Infrared (IR) Bandpass Filters have center wavelengths of 2.7-12.4μm. These filters are available in a 12.5, 25, or 50mm diameters, in a variety of center wavelengths. Bandpass interference filters are used extensively in a variety of biotech, biomedical, and quantitative chemical applications to selectively transmit a narrow range of wavelengths while blocking all others. Interference filters are widely used in instrumentation for applications including clinical chemistry, environmental testing, colorimetry, elemental and laser line separation, flame photometry, fluorescence, and immunoassays. In addition, interference filters are used to select discrete spectral lines from arc or gas discharge lamps, including Hg, Xe, and Cd, and to isolate a particular line from Ar, Kr, Nd:YAG, and other lasers. Bandpass interference filters are often used in conjunction with laser diode modules and LEDs . Specifications General Type: Bandpass Filter Typical Applications: Atmospheric/Solar Imaging Physical & Mechanical Properties Diameter (mm): 25.00 +0.00/-0.20 Clear Aperture CA (mm): 20.0 Thickness (mm): 1.00 ±0.2 Optical Properties Angle of Incidence (°): 0 Optical Density OD (Average): ≥3.0 Center Wavelength CWL (nm): 12,400.00 ±124 Full Width-Half Max FWHM (nm): 250.00 ±25 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Germanium (Ge) Coating: Traditional Coated Surface Quality: 80-50 Transmission (%): ≥65 (at peak) Blocking Wavelength Range (nm): 200 – 16000 Center Wavelength CWL (µm): 12.40 ±0.124 Full Width-Half Max FWHM (µm): 0.25 ±0.05 Regulatory Compliance Certificate of Conformance: View ×