The 85-287 is a UV Transmission Grating Beamsplitter, sourced from Edmund Optics, designed with a rectangular base shape and a size of 12.7 x 12.7 x 2 mm. This grating, made from UVFS material with the ID MAL-1965, is specifically designed for use at a wavelength of 588 nm.
The grating features 300 grooves per millimeter, with a blaze wavelength of 250 nm and a blaze angle of 8.6 degrees. The orientation vector is set at x=1, y=0, z=0, and it operates at an order of -1, with the grating side being the back. The grating is uncoated, providing a unique set of properties that make it suitable for specific applications.
For more detailed information, please refer to the vendor's website, where the item is listed as in stock and available for purchase. The link to the product page is provided in the item data for your convenience.