The 87-749 is a 25 mm Dia. Hard Coated Fluorescence Bandpass Filter with a thickness of 2 mm, specifically designed for a central wavelength of 520nm. This filter is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock.
The filter is a Bandpass type, which means it allows transmission of light only within a specific range of wavelengths while blocking other wavelengths. This particular model has a cut-on wavelength of 485nm and a cut-off wavelength of 555nm, making it ideal for applications that require narrow-band light transmission around the 520nm range.
The filter is made from UVFS Mal-1965 material, and it features a Thin Lens shape. The front and back of the filter are coated with EDm 87-735, enhancing its performance and durability.
For more detailed information, you can refer to the catalog number 87-749 on the Edmund Optics website. The link provided in the item data is valid and directs you to the product page, where you can find additional specifications, pricing, and availability.