This is a 33009FL01-310H Reflective Grating from MKS/Newport, a leading vendor in the optical industry. The grating is rectangular in shape, with dimensions of 25 x 25 x 6 mm, making it a compact yet efficient optical component.
The grating is made of soda lime ru clear glass, a material known for its high transparency and durability. It has a wavelength of 588 nm, which is within the visible light spectrum, and is coated with a front coating of nwr 53-310h-5469-1.
The grating features 1800 grooves per millimeter, a high groove density that enhances its diffraction efficiency. The blaze wavelength is 300 nm, and the grating is designed to operate in the first order. The orientation vector is (1, 0, 0), indicating that the grooves are parallel to the y-axis.
The grating is in stock and available for immediate purchase. For more information, please visit the vendor's website using the provided weblink.