The 49-574 is a Near-IR (NIR) reflective gold grating, designed and manufactured by Edmund Optics. This grating, with a base shape of 25 x 25 x 9.5 mm, is made of float glass, a type of soda lime ru clear material.
The grating features a bare gold coating on the front side, specifically 'edm dbaregoldmodifie', which enhances its reflective properties. The grating has 600 grooves per millimeter, making it a high-density grating. The blaze wavelength of this grating is 1250 nm, and it operates at the -1 order.
The grating's physical data includes a blaze angle of 22.02 degrees, an orientation vector of (1, 0, 0), and a grating side of 'Front'. The item is currently in stock and available for purchase, as indicated by its weblink status.
For more detailed information, please refer to the provided weblink: https://www.edmundoptics.com/p/600-grooves-25mm-square-1250nm-nir-ruled-grating/10087/