The 65-688 is a 25 mm diameter Bandpass Interference Filter, manufactured by Edmund Optics. This filter is designed with a center wavelength of 467nm, offering a Full Width Half Maximum (FWHM) of 10nm. The filter is mounted and coated with a traditional coating on both the front and back surfaces, ensuring optimal performance.
The filter's geometry is defined by a 25 mm diameter and a thickness of 7.5 mm. The cut-on wavelength is 462nm, and the cut-off wavelength is 472nm, providing a narrow bandwidth for specific applications. The material ID for this filter is UVFS MAL-1965.
The 65-688 filter is shaped as a Thin Lens, making it suitable for various optical systems. The filter's coating, EDM 65-628, is applied to both the front and back surfaces, enhancing its durability and performance. This filter is currently in stock and can be purchased directly from the vendor's website.