This is a 33066FL01-310H Reflective Grating from MKS/Newport, a leading vendor in the optical industry. The grating is rectangular in shape with dimensions of 12.5 x 25 x 6 mm, making it suitable for various optical applications.
The grating is made of soda lime ru clear float glass, a material known for its high transparency and durability. It has a wavelength of 588 nm and is coated with a nwr 53-310h-5469-1 coating on the front side.
The grating features 1800 grooves per millimeter and has a blaze wavelength of 300 nm. The orientation vector is along the x-axis, and the grating side is the front side. The order is 1, indicating the number of times the wave is diffracted.
According to the vendor's website, this item is in stock, ensuring quick delivery. The web link provided is valid, offering more information and the possibility to purchase the item.