Sorry, this product is no longer offered for sale. The recommended replacement product is 20D20AL.2.
ValuMax Broadband Mirror, 50.8 mm Diameter, λ/5, 250-600 nm

The 20D510AL.2 is a ValuMax® UV Enhanced Aluminum Broadband Mirror with a diameter of 50.8 mm, thickness of 12.0 mm, and flatness of λ/5. By taking advantage of advanced polishing techniques and our high volume manufacturing, ValuMax® mirrors are truly cost effective. This family of mirrors boasts seven standard metallic and dielectric broadband coatings, covering the UV, visible, and IR; and are available in 12.7, 19.05, 25.4, and 50.8 mm (0.5, 0.75, 1.0, and 2.0 in.) diameters and square sizes utilizing Borofloat® 33 substrates. This mirror has a 60-40 surface quality and is coated for 250-600 nm.
Specifications
- Wavelength RegionUV
- Wavelength Range250-600 nm
- Mirror ShapeRound
- Diameter50.8 mm
- Mirror SizeØ50.8 mm
- Thickness12.7 mm
- MaterialBorofloat® 33
- Coating TypeUV Enhanced Aluminum
- Coating CodeAL.2
- Surface Quality60-40 scratch-dig
- Surface Flatnessλ/5 at 632.8 nm
- Angle of Incidence0-15°
- Clear Aperture≥central 80% of diameter
- Back SurfaceGround
- ReflectivityRavg>90% @ 250-600 nm
- Diameter Tolerance+0/-0.13 mm
- Thickness Tolerance±0.25 mm
- Chamfers0.38-1.14 mm face width
- Chamfers Angle Tolerance45° ±15°
- Cleaning


Resources & Downloads
Other
AL.2 Raw Data.xlsx(236.6 kB, XLSX)
