Prisms Provide Minimal Distortion


TECHSPEC Nd:YAG Laser Line λ/20 UV Fused Silica Right Angle Prisms offer a combination of precision surface flatness and guaranteed laser damage threshold anti-reflective coatings. They are ideally suited for a wide variety of beam steering applications with minimal wavefront distortion.


The prisms provide precision λ/20 surface flatness and 20-10 surface quality. They are designed for transmission through the legs of the prism, exhibiting less than 0.25% reflection for fiber and Nd:YAG applications. The prisms feature a ±15 arcsec angular tolerance, which ensures consistent alignment for volume integration.


Manufactured from a fused silica substrate, TECHSPEC Nd:YAG Laser Line λ/20 UV Fused Silica Right Angle Prisms have an anti-reflective Nd:YAG coating with laser damage thresholds of 3 J/cm2 at 266nm, 7.5 J/cm2 at 355nm, 10 J/cm2 at 532nm, and 15 J/cm2 at 1064nm for minimized reflection at common laser wavelengths and are available in sizes from 5-25 mm.


  • Angle Tolerance (arcsec): ±15
  • Bevel: Protective bevel as needed
  • Clear Aperture (%): 90
  • Dimensional Tolerance (mm): +0.00/-0.10
  • Image Orientation: Left-Handed
  • Pyramid Tolerance (arcmin): ±1
  • Substrate: UV Fused Silica
  • Surface Flatness: λ/20
  • Surface Quality: 20-10



  • λ/20 Surface Flatness
  • <0.25% Reflection for Nd:YAG Applications
  • 5 - 25mm Sizes Available
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