The 45-649 is a 50 x 50 mm SCHOTT KG1 Heat Absorbing Glass IR Cut-Off Filter, designed to cut off infrared light between 300 and 2700nm. This filter is sourced from Edmund Optics, a leading vendor in the optical industry, and is available for purchase through their website.
The filter is a Color Glass type, specifically a Rectangular Base Shape, with a Material ID of UVFS MAL-1965. It has a wavelength of 588nm and a thickness of 3mm. The physical data of the filter indicates that it cuts on at 300nm and cuts off at 2700nm, providing effective infrared light filtration.
The coating of the filter is EDM 45-646 on both the front and back, suggesting a consistent and high-quality application. The shape of the filter is Thin Lens, indicating its potential use in lens systems.
The filter's dimensions make it suitable for various applications, and its heat absorbing properties make it ideal for use in environments with high levels of infrared radiation. The filter is currently in stock, according to the vendor's website, making it readily available for immediate use.