The 11-994 is a 25 mm diameter First Surface UV Bandpass Filter with a thickness of 1.5 mm, designed to isolate the 280nm wavelength. This filter, offered by Edmund Optics, is a Bandpass Filter, which allows light to pass through a specific range of wavelengths while blocking other wavelengths.
The filter's physical data includes a cut-on wavelength of 275nm and a cut-off wavelength of 285nm, ensuring a tight bandpass around the central wavelength of 280nm. The coating on both the front and back surfaces of the filter is 'edm 11-994', providing excellent performance and durability.
The filter's geometry, with a diameter of 25mm, makes it suitable for a wide range of optical applications. The Base Shape being Circular and the Sub Type being Bandpass Filter, it is versatile and efficient in its function. The Material ID, 'uvfs mal- 1965', further ensures the filter's quality and performance.
The filter's weblink status is 'Valid - in stock', indicating its availability for immediate use. The catalog number, 11-994, can be used for easy reference and ordering. This filter, with its specific wavelength, geometry, and coating, is an excellent choice for applications requiring precise UV light filtration.