65-681 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 420nm

The 65-681 is a 25 mm diameter Bandpass Interference Filter, manufactured by Edmund Optics, with a central wavelength of 420nm. This filter is designed for applications requiring high transmission and steep cut-off characteristics in the specified spectral region.

The filter features a circular geometry with a diameter of 25 mm and a thickness of 7.5 mm, providing a compact and robust design suitable for various optical systems. The base shape is a Thin Lens, ensuring minimal optical aberrations and distortions.

The 65-681 filter is coated with EDM 65-621 on both the front and back surfaces, enhancing its performance and durability. The coating is designed to provide high transmission at the central wavelength while effectively suppressing unwanted spectral regions.

The physical data of the filter includes a cut-on wavelength of 415nm and a cut-off wavelength of 425nm, ensuring a narrow bandwidth and high spectral purity. The catalog number for this item is 65-681, and it is currently in stock, as indicated by its weblink status.

For more information and to purchase this item, please visit the following link: https://www.edmundoptics.com/p/420nm-cwl-25mm-dia-10nm-fwhm-interference-filter/20199/