This is the TFA-80100R15-1, a high-quality metallic mirror from OptoSigma, designed with a rectangular base shape and a thickness of 15mm. The mirror measures 80mm in the a-direction and 100mm in the b-direction, making it suitable for a wide range of optical applications.
The mirror is made from n-bk7 Schott glass, a material known for its excellent optical properties. It is coated with a front opt TFA Al MgF2 45 coating, which enhances its reflectivity and durability. The mirror is designed to operate at a wavelength of 588nm, making it ideal for applications that require precise light reflection at this wavelength.
The mirror is shaped as a thin lens, which contributes to its high optical performance. It is currently in stock and available for purchase through the OptoSigma website, as indicated by the "weblink status" field in the item data.