The FB870-10 is a Bandpass Filter from Thorlabs, designed with a circular base shape and a diameter of 1 inch (25.4 mm). This filter is made of soda lime ru clear material and has a thickness of 3.5 mm. The filter is designed to have a central wavelength (CWL) of 870 nm, with a full width at half maximum (FWHM) of 40 +-8 nm.
The FB870-10 filter is designed to cut on at 850 nm and cut off at 890 nm. The front and back of the filter are coated with tho fb870-10, and it has a thin lens shape. The filter is currently in stock and available for purchase on the Thorlabs website.
For more information about this product, including pricing and availability, please visit the following link: https://www.thorlabs.com/thorproduct.cfm?partnumber=FB870-10