The 65-689 is a 25 mm diameter Bandpass Interference Filter, manufactured by Edmund Optics. This filter is designed with a thickness of 7.5 mm and features traditional coatings on both the front and back surfaces. The filter's primary function is to allow light transmission within a specific range of wavelengths, while blocking other wavelengths, making it an ideal component for various optical applications.
The 65-689 filter is centered at 470nm, with a Full Width at Half Maximum (FWHM) of 10nm. The cut-on wavelength is 465nm, and the cut-off wavelength is 475nm. This specificity in wavelength range ensures optimal performance in the intended application.
The filter is designed in a Thin Lens shape, with a circular geometry, and is mounted for convenience. The catalog number for this item is 65-689, and it is currently in stock, as indicated by its weblink status. For more detailed information or to make a purchase, users can visit the provided weblink.