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  7. 10Q20UF.HR25

Ultrafast Mirror, FemtoOptics, 25.4 mm, 45° AOI, HR 267 nm

  • Wavelength Region
    UV
  • Wavelength Range
    250-285 nm
  • Diameter
    25.4 mm
  • Material
    N-BK7
  • Coating Code
    UF.HR25
  • Surface Quality
    10-5 scratch-dig
  • Surface Flatness
    λ/10 at 633 nm
  • Wedge
    < 5 arcminutes
  • Damage Threshold
    0.75 J/cm², 4 ns pulses , 100 Hz at 266 nm
  • Angle of Incidence
    45°
  • Clear Aperture
    > central 85% of diameter
  • Back Surface
    Commercial Polished
  • Reflectivity
    RS>99% @ 250-285 nm, RP>98% @ 259-275 nm
  • Thickness
    6.35 mm
  • Thickness Tolerance
    ±0.1 mm
  • Diameter Tolerance
    +0/-0.1 mm
  • Cleaning
    Non-abrasive method, methanol or isopropyl alcohol on lens tissue recommended
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