87-769 50 mm Dia. Hard Coated Fluorescence Bandpass Filter; t=2 mm 661nm

The 87-769 is a Bandpass Filter with a diameter of 50 mm and a thickness of 2 mm, designed for use in fluorescence applications. This filter, sourced from Edmund Optics, is specifically centered at 661nm, offering a narrow bandwidth of 20nm.

The filter is constructed with a base shape of a Circular Thin Lens, ensuring efficient light transmission and minimal distortion. It is made from UVFS Mal-1965 material, a common choice for its excellent optical properties and durability.

The 87-769 features hard coating on both the front and back surfaces, identified as EDM 87-741. This coating enhances the filter's durability and resistance to scratches and environmental factors, ensuring long-lasting performance and clarity.

The physical data of this filter includes a cut-on wavelength of 651nm and a cut-off wavelength of 671nm, with a center wavelength (CWL) of 661nm. This specificity in wavelength control makes the 87-769 ideal for applications requiring precise light filtration.

The filter's web links are valid and indicate that it is currently in stock, ensuring quick and easy acquisition for your optical project needs.