The 67-858 is a 25 mm diameter mounted bandpass interference filter, designed and manufactured by Edmund Optics. This filter is specifically centered at 900nm, with a full width at half maximum (FWHM) of 40nm, making it ideal for applications that require narrowband transmission. The filter features a thin lens shape, ensuring minimal distortion and optimal performance.
The filter's physical data includes a cut-on wavelength of 880nm and a cut-off wavelength of 920nm, providing a sharp transition between the passband and the blocked wavelengths. The filter's thickness is 5.9mm, contributing to its robustness and durability.
The 67-858 filter is coated with EDM 67-791 on both the front and back surfaces, enhancing its performance and longevity. This coating provides excellent environmental stability, making the filter suitable for use in various conditions.
The filter is available for purchase through the Edmund Optics website, and the link provided in the item data indicates that it is currently in stock. This ensures quick delivery and minimal downtime for your optical system.