NEWPORT 10D20ER.4 FLAT MIRROR, PYREX, 25.4MM DIA, 1/10 WAVE EN FRANCE

The 10D20ER.4 Broadband Gold Mirror is an excellent general purpose, broadband reflector. This 25.4 mm (1.0 inch) diameter mirror is made from a 6.0 mm thick Borofloat® 33 substrate which is coated with the ER.4 gold coating. Borofloat® 33 has low thermal expansion and is an excellent substrate for most applications. The ER.4 protected gold coating is ideal for applications requiring broadband reflectance in the near IR to the far IR. A multilayer dielectric overcoat provides protection to the gold from the environment. The 10D20ER.4 has an average reflectivity greater than 96% from 650–1700 nm and greater than 98% from 1.7–20 μm. This mirror has a λ/10 surface flatness and a 15-5 surface quality. This product is also available in 10-piece saving pack. Specifications: Wavelength Region Broadband Wavelength Range 650-20000 nm Mirror Shape Round Diameter 25.4 mm Mirror Size Ø25.4 mm Thickness 6.0 mm Material Borofloat® 33 Coating Type Protected Gold Coating Code ER.4 Surface Quality 15-5 scratch-dig Surface Flatness λ/10 at 632.8 nm Angle of Incidence 0-45° Clear Aperture ≥central 80% of diameter Back Surface Ground Reflectivity Ravgb'&'gt;96%, Rminb'&'gt;92% @ 650-1700 nmRavgb'&'gt;98%, Rminb'&'gt;96% @ 1.7-20 µm Damage Threshold 0.5 J/cm² with 10 ns pulses at 1064 nm, 20Hz Diameter Tolerance +0/-0.13 mm Thickness Tolerance ±0.25 mm Chamfers 0.25–0.76 mm face width Chamfers Angle Tolerance 45° ±15° Cleaning See How to Clean Optics. En savoir plus Collaboration commerciale.