The 43-225 is a reflective grating with a base shape of a rectangle, manufactured by Edmund Optics. This grating measures 25 x 25 x 9.5 mm and is made of soda lime ru clear glass. It is designed to operate at a wavelength of 588 nm.
The grating features 2400 grooves per millimeter, oriented in the x-direction, and has an order of -1. The grating side is the front, and it is coated with edm diel bare al oap. The physical data indicates that this grating is a bare aluminum holographic grating.
According to the vendor's website, this item is currently in stock. For more detailed information, users can visit the provided weblink: https://www.edmundoptics.com/p/2400-groovesmm-25mm-square-vis-holographic-grating/4926/.