The 67-854 is a 25 mm diameter mounted bandpass interference filter, designed and manufactured by Edmund Optics. This filter is specifically centered at 860nm, with a full width at half maximum (FWHM) of 10nm. The filter is mounted, providing convenience and ease of use for the end-user.
The filter's geometry is defined by a diameter of 25mm and a thickness of 5.9mm. The cut-on wavelength is 855nm, and the cut-off wavelength is 865nm, with a central wavelength (CWL) of 860nm. This specificity in wavelength makes the filter ideal for applications that require precise filtering within the near-infrared spectrum.
The coating on both the front and back of the filter is EDM 67-787, which is a traditional coating that enhances the filter's performance and durability. The filter's shape is that of a thin lens, further adding to its versatility and applicability in various optical systems.
The filter is currently in stock and can be purchased directly from the Edmund Optics website using the provided weblink. The link has been verified and is valid at the time of writing.