This holographic grating, offered by Edmund Optics, is a reflective grating with a base shape of a rectangle. It measures 12.7 mm in width and length, and has a thickness of 6 mm. The grating is made of soda lime ru clear glass and features a bare aluminum coating on the front, specifically identified as "edm diel bare al oap".
The grating has 1800 grooves per millimeter and an orientation vector of (1, 0, 0), indicating that the grooves are parallel to the x-axis. The order of the grating is -1, and the grating side is the front. The item is currently in stock and available for purchase.
For more detailed information, please refer to the vendor's website at https://www.edmundoptics.com/p/1800-groovesmm-127mm-square-uv-holographic-grating/5274/.