The DMLP490R is a 25 mm x 36 mm rectangular dichroic mirror developed by Thorlabs. This mirror is specifically designed for longpass applications, featuring a 490 nm cut-on wavelength. The mirror's geometry includes a thickness of 1 mm, making it a thin lens type.
The mirror's coating is a key feature, with the front surface coated with THo DMLP490. This coating is designed to optimize the mirror's performance for its intended use. The mirror's material ID is UVFS MAL-1965, although further details about this material are not provided in the item data.
The DMLP490R is currently in stock and available for purchase through Thorlabs' website, as indicated by the "weblink status" field in the item data. This mirror is a specialized optical component that could be useful in a variety of applications, particularly those involving longpass filtration and dichroic separation.