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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

12.7mm Dia., 266nm T, 532 & 1064nm R Harmonic Separator

TECHSPEC Nd:YAG Harmonic Separators

TECHSPEC Nd:YAG Harmonic Separators
Stock #11-547
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Reflection Wavelength (nm):
532, 1064
Transmission Wavelength (nm):
Diameter (mm):
12.70 +0.00/-0.10
Coating Specification:
Surface 1: Rabs: >99% @ 532nm, Rabs: >99% @ 1064nm, Tabs: >70% @ 266nm
Surface 2: Rabs: <1.0% @ 266nm
Thickness (mm):
6.35 ±0.20
Angle of Incidence (°):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness:
Surface Quality:
Clear Aperture (%):
Damage Threshold, Pulsed:
Surface 1:
1 J/cm2 @ 266nm, 20ns, 20Hz
5 J/cm2 @ 532nm, 20ns, 20Hz
7.5 J/cm2 @ 1064nm, 20ns, 20Hz
Surface 2:
1 J/cm2 @ 20ns, 20Hz @ 266nm
Harmonic Beamsplitter
Parallelism (arcmin):

Regulatory Compliance


Product Family Description

  • Used to Separate Nd:YAG Harmonic Wavelengths
  • Beamsplitter Coating Features >95% Transmission
  • λ/10 Fused Silica Substrate

TECHSPEC® Nd:YAG Harmonic Separators are used to separate the common harmonic wavelengths of an Nd:YAG laser. A beamsplitter coating on the first surface reflects at least one wavelength and transmits another. The second surface of the beamsplitter features an anti-reflective coating to minimize the loss due to reflection. TECHSPEC Nd:YAG Harmonic Separators are designed for integration at 45° angle of incidence. These harmonic separators are available in multiple wavelength configurations for optimal flexibility in system design.

Note: The Damage Threshold values we publish for this family of products were all tested independently from one another. When using these products with more than 1 incident beam, the resulting Damage Threshold of the system will be negatively impacted.