This is a 33067FL01-410H Reflective Grating from MKS/Newport, a leading vendor in the optical industry. The grating, which is rectangular in shape, measures 25 x 50 x 6 mm and is made of soda lime ru clear float glass.
The grating features a holographic diffraction grating with 2400 grooves per millimeter, designed to operate at a wavelength of 588 nm. The front surface of the grating is coated with the nwr 53-410h-5132-1 coating, enhancing its performance and durability.
The physical data of the grating includes a blaze wavelength of 250 nm, an orientation vector of (1, 0, 0), and it operates in the first order. The grating side is the front side.
According to the vendor's website, this item is currently in stock, making it readily available for immediate use. For more information, you can visit the product page at https://www.newport.com/p/33067FL01-410H.