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Nd:YAG/Yb:YAG
Laser crystals
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| Features and Application |
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Nd or Yb doped YAG crystals
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| Technical Specifications |
- Crystallographic orientation: <111>
- Interference fringes:
- 3-6mm: <0.25 fringes/inch
- Ø7-10mm: <0.5 fringes/inch
- Extinction ratio: >25 dB
- Parallelism: < 10 arc second
- Perpendicularity: <5 arc minute
- End surface quality: (scratch dig)10 / 5
- End surface flatness at 633 nm: λ/10
- AR Coating: R< 0.25% @ 1064 nm
- Dopant Concentration:
- Nd:YAG Low 0.6 - 0.8%; Standard 0.9±0.1%; High 1.1±0.1%
- Yb:YAG Low 6 - 8%; High 20%
- Stimulated emission cross - section: 25.0 x 10-19 cm2 @ 1064nm
- Fluorescent lifetime: 90 µs
- Sellmeier equation:
no2 = 3.77834 + 0.069736/ (λ2 - 0.04724) - 0.0108133λ2
ne2 = 4.59905 + 0.110534/ (λ2 - 0.04813) - 0.0122676λ2
- Standard Nd:YAG crystal sizes:
- Ø3mm x 10mm
- Ø4 mm x 50mm
- Ø4 mm x 79mm
- Ø5mm x 101.6mm
- Ø6.35 mm x 152.4 mm
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