Our rectangle mirrors are manufactured from either BOROFLOATĀ® 33 known for its low thermal expansion, high thermal resistance, and excellent chemical durability. Advanced Optics in-stock rectangular optical mirrors are polished to λ/4 and are coated with a robust aluminum coating with a protective SiO overcoat. We also offer a variety of coatings designed to meet specific spectral requirements. Our options include bare aluminum, enhanced aluminum, silver, and both bare and protected gold coatings.
Many of our rectangular optical mirrors are available in stock for immediate shipment. See a list of our optical mirrors below:
Rectangular Optical Mirror Specifications:
S1: λ/4 at 633nm
60/40 scratch/dig
S2: Fine ground
Dimensions: +/-0.25mm
Thickness: +0.5mm
Material: Low expansion borosilicate glass
AlSiO (protected Al coating)
Custom Optic Capabilities:
For projects that require customization, Advanced Optics can help you with a custom rectangular optical mirror design that meets your exact requirements. Our skilled team of craftsmen can assist you with:
Design and supply of custom coatings for use the in the UV-VIS-NIR spectra
Modification and resurfacing of customer-supplied materials (if desired)
Fabrication of custom sizes and shapes, including holes, notches, and beveling of substrates
Precision polishing of optics with non-standard aspect ratios
Advanced Optics carries an extensive inventory of optical glass materials, including N-BK7, fused silica, Viosil, Zerodur, and Quartz, to meet your needs quickly and efficiently.