Nd:YAG Harmonic Seperators
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Harmonic Separators are designed to efficiently separate Nd:YAG harmonics. The substrate is coated on one side with an RMAX/TMAX coating that is optimized for maximum reflection of one harmonic frequency and maximum transmission of another. The reverse side is coated with a high efficiency, narrowband, anti-reflection coating.
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RMI Standard Specifications
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Angle incidence:
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0º or 45º
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Materials:
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UVFS
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Surface Figure:
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λ/10 at 633 nm all polished surfaces
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Surface Quality:
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10-5 Both Surfaces
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Diameter Tolerance:
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+ 0.000", – 0.010"
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Thickness Tolerance:
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± 0.010"
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Wedge:
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≤ 3 arc minutes
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Bevels:
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0.010" – 0.030" at 45º
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Clear Aperture:
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Central 85% of diameter
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Reflectance, λ1:
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Unpolarized:
R ≥ 99.7% at 0º
R ≥ 99.4% at 45º,
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Transmittance, λ2:
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T ≥ 95% at 0º
T ≥ 95% at 45º
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Anti -Reflection Coating:
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Unpolarized:
R ≥ 0.25% at 0º
R ≥ 0.5% at 45º
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