The 34-974 is a Bandpass Filter with a diameter of 12.5 mm, sourced from the reputable vendor, Edmund Optics. This filter is specifically designed for use with a central wavelength (CWL) of 320nm, making it ideal for applications that require precise wavelength selection within this range.
The filter is hard coated on both the front and back surfaces with the coating type edm 34-974. This coating enhances the filter's durability and resistance to environmental factors, ensuring reliable performance even under demanding conditions.
The filter's geometry includes a thickness of 3.5 mm, providing sufficient structural integrity for most applications. The cut-on wavelength is 315nm, and the cut-off wavelength is 325nm, offering a narrow bandpass for precise wavelength selection.
This filter is available in a Thin Lens shape, which is beneficial for applications that require minimal optical path length deviation. The catalog number for this item is 34-974, and it can be found on the Edmund Optics website, where it is currently in stock.