| W, mm: |
6 |
| H, mm: |
6 |
| L, mm: |
2 |
| θ: |
28 |
| φ: |
0 |
| Coating: |
P/P800-2400 nm |
| Mounted: |
Yes |
| Notes: |
H in the code indicates that crystal is mounted in the open ring holder. |
| Főkategória: |
Optics |
| Alkategória1: |
Nonlinear and Laser Crystals |
| Alkategória2: |
Nonlinear Crystals |
| Alkategória3: |
Beta Barium Borate – BBO Crystals |
| Flatness: |
λ/8 @ 633 nm |
| Parallelism: |
< 20 arcsec |
| Perpendicularity, arcmin: |
< 5 |
| Angle tolerance, arcmin: |
< 30 arcmin |
| Aperture tolerance, mm: |
± 0,1 |
| Surface quality: |
10/5 scratch & dig per MIL-O-13830A |
| Clear Aperture: |
90% of full aperture |
| Chemical formula: |
BaB2O4 |
| Crystal size (WxHxL), mm: |
trigonal, 3m |
| Point group: |
Negative Uniaxial (no>ne) |
| Lattice constants, Å: |
R3c |
| Optical transmission, µm: |
3.85 |
| Thermal expansion coefficient @ 25 °C: |
α11 = 4 × 10-6K-1
α33 = 36 × 10-6K-1 |
| Residual absorption, cm-1 (at 1.06 μm): |
189 – 3500 nm |
| Transition: |
5 |
| Linear absorption coefficient at 1064 nm: |
∂n = 10-6 cm-1 |
| Refractive indices no at 1064 nm: |
< 0,1% cm-1 |
| Refractive indices no at 213 nm: |
1.6551 |
| Refractive indices no at 266 nm: |
1.8465 |
| Refractive indices no at 355 nm: |
1.7571 |
| Refractive indices no at 532 nm: |
1.7055 |
| Refractive indices no at 1,06 µm: |
1.675 |
| Refractive indices ne at 213 nm: |
1.5426 |
| Refractive indices ne at 355 nm: |
1.6139 |
| Refractive indices ne at 532 nm: |
1.5775 |
| Refractive indices at 1064 nm: |
1.6742 |
| Sellmeier equations (λ, μm) nx2: |
no2 = 2,7366122 + 0,0185720 / (λ2 – 0,0178746)
– 0,0143756 λ2
ne2 = 2,3698703 + 0,0128445 / (λ2 – 0,0153064)
– 0,0029129 λ2 |
| Phase matching range Type 2 SHG, nm: |
410 – 3300 |
| Acceptances for Type 1 SHG at 1064 nm, Angular, mradxcm, nm: |
530 – 3300 |
| Walk-off angle at 5.3 µm, deg: |
55,9 mrad (Type 1 SHG 1064 nm) |
| Thermal acceptance: |
1,2 mrad × cm (Type 1 SHG 1064 nm) |
| Spectral acceptance: |
70 K × cm (Type 1 SHG 1064 nm) |
| Nonlinearity, pm/V: |
d22 = ± 2,2 pm/V
d15 = d31 = ± 0,08 pm/V |
| Damage threshold at pulse duration, ns: |
> 0,5 GW/cm2 at 10 ns
~ 50 GW/cm2 at 1 ps |
| Effective nonlinearity expressions, XY plane: |
dooe = d31 sinθ – d22 cosθ sin3φ
deoe = doee = d22 cos2θ cos3φ |
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