Infrared Bandpass Filter, Φ25mm, FWHM: 1.00±0.03μm, CWL: 10.6±0.05μm, United Optical Technology Co., Ltd (CAT#: STEM-OP-4323-YJL)

Infrared Bandpass Filter, Φ25mm, FWHM: 1.00±0.03μm, CWL: 10.6±0.05μm, model 200054, is manufactured by United Optical Technology Co., Ltd.
Mid- and far-infrared filters can transmit light with a specific absorption spectrum of a substance while blocking other unnecessary interfering light, so they are widely used in environmental monitoring, safety detection, FLIR, etc. For example: detection of carbon dioxide (CO₂), methane (CH₄), carbon monoxide (CO), ammonia (NH₃), moisture (H₂O), ethanol (CH₃CH₂OH), sulfur dioxide (SO₂), nitrous oxide (N₂O) and other substances.

Base Material: Germanium GE
Diameter: 25mm
Thickness: 1mm
Center Wavelength: 10.6±0.05μm
Peak Transmittance: ≥85
Half Bandwidth: 1.00±0.03μm
Blocking Range: 200-15000nm
Linear Error: +0 / -0.2mm
Thickness Tolerance: ±0.2 mm
Surface Quality: 80/50
Clear Aperture: 0.9
Blocking Depth: Tmax <1%;Tavg <0.1%

Mid- and far-infrared filters can transmit light with a specific absorption spectrum of a substance while blocking other unnecessary interfering light

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