The 45-648 is a 50 mm diameter Heat Absorbing Glass IR Cut-Off Filter, designed for applications that require the removal of infrared radiation while maintaining high transmittance for visible light. This filter, sourced from Edmund Optics, is made from SCHOTT KG1 glass, a material renowned for its excellent optical properties and durability.
The filter features a cut-on wavelength of 300nm and a cut-off wavelength of 2700nm, effectively blocking infrared light beyond this range. This makes it ideal for use in applications such as photography, spectroscopy, and beam shaping, where the control of infrared radiation is crucial.
The 45-648 has a circular base shape with a thickness of 3mm, providing a robust and compact design. It is coated on both the front and back with EDM 45-646, a coating that enhances its performance and durability. The filter's shape is classified as a Thin Lens, indicating its potential use in optical systems where precise focusing is required.
The catalog number for this item is 45-648, and it is currently in stock. For more information, please refer to the vendor's website at https://www.edmundoptics.com/p/50mm-dia-kg-1-heat-absorbing-glass/6119/.