The 20Q620BB.HR2 BroadBeam High Reflector Laser Mirror is 50.8 mm in diameter, 9.4 mm thick, and is coated for 350-1100 nm, optimized for 0-50° angle of incidence. BroadBeam High Reflectors have an average reflectivity of 97.5% or better. They are manufactured using UV grade fused silica substrates and metal-dielectric hybrid coating. The BB.HR2 coating covers wavelengths from the UV to the visible to the IR.
Технические характеристики
- Wavelength Region Broadband
- Wavelength Range 350-1100 nm
- Mirror Shape Round
- Diameter 50.8 mm
- Mirror Size Ø50.8 mm
- Thickness 9.4 mm
- Material UV Grade Fused Silica
- Coating Type Metal-Dielectric
- Coating Code BB.HR2
- Surface Quality 40-20 scratch-dig
- Surface Flatness λ/10 at 632.8 nm
- Substrate Number 20Q620
- Wedge 30 ± 15 arc min
- Angle of Incidence 0 — 50°
- Clear Aperture ≥central 80% of diameter
- Back Surface Commercial Polished
- Reflectivity Ravg>97.5% @ 0-50° AOI @ 350-1100 nm
- Damage Threshold 1.3 J/cm² @ 355 nm, 2 J/cm² @ 532 nm, 2.3 J/cm² @ 1064 nm for 20ns pulses
- Diameter Tolerance +0/-0.13 mm
- Thickness Tolerance ±0.38 mm
- Chamfers
- Chamfers Angle Tolerance 45° ±15°
- Cleaning See How to Clean Optics
