This is a 33066FL01-320H Reflective Grating from MKS/Newport, a leading vendor in the optical industry. The grating, which is rectangular in shape, measures 12.5 mm in width, 25 mm in height, and 6 mm in thickness. It is made of soda lime ru clear float glass, a material known for its high transparency and durability.
The grating is coated with a specialized coating, nwr 53-320h-5485-1, on the front side, which enhances its performance and durability. The grating has 1800 grooves per millimeter, and its blaze wavelength is 450 nm. It is designed to operate at a wavelength of 588 nm.
The grating's physical data includes an orientation vector of (1, 0, 0), indicating that the grooves are parallel to the x-axis. The order is 1, and the grating side is the front side. The grating is in stock and available for immediate purchase on the vendor's website.