Nd:YAG Harmonic Beamsplitter, 25.4 mm, 354.7 nm Refl., 532 nm Trans.

Technical Specs

  • Diameter
    25.4 mm
  • Antireflection Coating
    532 nm
  • Material
    UV Grade Fused Silica
  • Surface Quality
    10-5 scratch-dig
  • Angle of Incidence
    45°
  • Coating Code
    HB.32
  • Surface Flatness
    λ/10 at 632.8 nm over the clear aperture
  • Durability
    MIL-C-675C, moderate abrasion million cycles
  • Chamfers
    0.25-0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
  • Clear Aperture
    > central 80% of diameter
  • Damage Threshold
    5.0 MW/cm2 CW, 5.0 J/cm2 with 0.1-100 nsec pulses @ 1064 nm, typical
  • Diameter Tolerance
    +0/-0.25 mm
  • Wedge
    ≤3 arc min
  • Efficiency
    Ravg > 99.5% @ 354.7 nm; Tavg>95% @ 532 nm; AR<0.25% @ 532/1064 nm
  • Thickness
    6.35 mm  
  • Thickness Tolerance
    ±0.5 mm
  • Wavefront Distortion
    /4 at 632.8 nm over the clear aperture