The 65-616 is a mounted traditional coated bandpass interference filter, designed and manufactured by Edmund Optics. This filter is characterized by its circular shape, with a diameter of 12.5 mm and a thickness of 7.5 mm, making it suitable for various optical applications.
The filter's primary function is to allow light within a specific wavelength range to pass through while blocking light outside this range. The central wavelength (CWL) of this filter is 394nm, with a full width at half maximum (FWHM) of 10nm. The cut-on wavelength is 389nm, and the cut-off wavelength is 399nm, providing a narrow and precise bandpass.
The 65-616 filter features a front and back coating of EDm 65-616, which enhances its performance and durability. The filter's shape is that of a thin lens, further expanding its potential applications in optical systems.
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