The 45-721 is a 75 x 75 mm SCHOTT KG1 Heat Absorbing Glass IR Cut-Off Filter, designed to absorb and block infrared radiation while allowing visible light to pass through. This filter is sourced from Edmund Optics and is available for purchase on their website, with the current status indicating it is in stock.
The filter is made of color glass, specifically designed for use in rectangular shapes. It boasts a base shape of 75 mm in width and 75 mm in height, with a thickness of 3 mm, providing a robust and stable platform for various optical applications.
The KG1 filter has a cut-on wavelength of 300 nm and a cut-off wavelength of 2700 nm, making it ideal for applications that require the removal of infrared radiation. The filter is coated on both the front and back with EDM 45-646, a coating that enhances its performance and durability.
The filter's geometry is that of a thin lens, making it suitable for use in a variety of optical systems. With its extensive specifications and high-quality construction, the 45-721 is a reliable and efficient solution for managing infrared radiation in optical applications.