This is a 33066FL01-200H Reflective Grating from MKS/Newport, a leading vendor in the optical industry. The grating, with dimensions of 12.5 x 25 x 6 mm, is made of soda lime ru clear float glass, a material known for its durability and clarity.
The grating features a holographic diffraction pattern with 1201.6 grooves per millimeter, designed to operate at a wavelength of 588 nm. The front surface of the grating is coated with a specialized coating, nwr 53-200h-5233-1, which enhances its reflective properties and overall performance.
The grating's physical data includes a blaze wavelength of 250 nm and an orientation vector of (1, 0, 0). The grating side is the front surface, and the order is 1. This grating is currently in stock and available for immediate purchase through the provided weblink.