The FB910-10 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 front and back of the filter are coated with "tho fb910-10", suggesting a consistent coating on both sides.
The filter is designed to allow light within a specific wavelength range to pass through while blocking other wavelengths. The central wavelength (CWL) of this filter is 910 nm, with a full width at half maximum (FWHM) of 10 nm, indicating a relatively narrow passband. The cut-on wavelength is 905 nm, and the cut-off wavelength is 915 nm, further defining the filter's passband.
This filter is available from Thorlabs and, according to the provided data, is currently in stock. The catalog number for this item is FB910-10, and the vendor is Thorlabs. The item's weblink is valid and provides direct access to the product page on Thorlabs' website.