The SI-W-50.8-6 is a circular silicon flat window, sourced from Alkor Technologies, with a diameter of 50.8 mm and a thickness of 6 mm. This window is designed with a thin lens shape and is uncoated, making it suitable for various optical applications.
The material of this window is identified as "silicon sal vil 1957", a specific type of silicon known for its optical properties. The window is designed to work with a wavelength of 633 nm, which is commonly used in various optical systems.
The item data indicates that this window is in stock and available for immediate use. Further information about this product can be found on Alkor Technologies' website, specifically at http://www.alkor.net/Silicon_windows.html. This link provides additional details and specifications, as well as the opportunity to purchase the product.