This is the GEW15AR.20, a 50 mm diameter Germanium Optical Parallel Flat Window with a thickness of 3mm, designed for use with wavelengths of 10600 nm. The window is sourced from the reputable vendor MKS/Newport, and detailed information about the product, including pricing and availability, can be found on their official website.
The GEW15AR.20 is a Flat Window type of optical element with a Circular Base Shape and a Thin Lens shape. The window features high-quality New AR-20 coatings on both the front and back surfaces, ensuring optimal performance and minimal reflection.
The Material ID for this window is germanium burnett, a popular choice for optical applications due to its excellent transmission properties in the infrared region of the spectrum. The window's geometry, with a 50 mm diameter and 3 mm thickness, makes it suitable for a wide range of optical systems and configurations.