These low cost Float glass 1 and 2 inch diameter mirrors are excellent broadband mirrors for the price. They can be used as a front or back surface reflector.
One metallic coating covers UV - IR spectral band
Substrate flatness & surface quality 5λ, 60-40
Available in diameter 25.4 mm, 50.8mm
Removable plastic sheet protects the coated surface
Insensitive to polarization and angle of incidence
Float glass is made by floating molten glass over a bed of molten metal. While this is a low cost material that is used in commercial windows, the production method yields a very flat surface of uniform thickness making it a good choice for optics. For more information, refer to the optical material technical note.
Enhanced Aluminum Broadband Metallic Coating
The front surface is coated with our ER.3 dielectric-enhanced aluminum coating. Average reflectivity is greater than 90% from 400-2000 nm typically.
Front or Back Reflector Applications
These mirrors can be used as a front or back surface reflector. A removable plastic sheet is attached to the coated surface to protect the mirror surface during shipment and handling. It can be left on if used as a back surface reflector or removed if used as a front surface reflector.
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