BBO crystals
Main features
- Broad transparency ranges from 188 nm to 5,2 µm (reasonable transparency @3 µm - 5,2 µm for few tens µm thick crystals)
- The broad phase-matchable range for various second-order nonlinear interactions over almost the entire transparency range
- Wide thermal acceptance bandwidth
- Highest nonlinearity of all UV nonlinear crystals
- The high laser-induced damage threshold
- Ultrathin crystals available for few optical cycle laser pulses
- Custom size, orientation, and coatings are available upon request
Application examples
- Harmonic generation (up to fifth) of pulsed Nd-doped crystal-based lasers
- Frequency doubling, a tripling of pulsed Ti:Sapphire, Yb-doped, dye lasers
- Widely tunable type I and II OPO
- Characterization of ultrashort laser pulses by FROG, XFROG, SPIDER, dispersion scan, chirp scan methods
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- Description
- Properties
- Specifications
- References
BBO crystal transparency ranges from 188 nm to 5,2 µm, which includes reasonable transparency from 3-5,2 µm for few tens µm thick crystals, while their phase-matchable range spans almost over the entire transparency range. Combined with other magnificent properties of BBO, it is favorable for numerous nonlinear parametric applications, e.g. harmonic generation of pulsed Yb-doped crystal-based lasers and frequency doubling, a tripling of Ti:Sapphire lasers, widely tunable type I and II OPO. It is worth to mention that BBO crystals have the highest nonlinearity in the UV range out of all common nonlinear crystals.
| Physical and optical properties | |
|---|---|
| Chemical formula | β-BaB2O4 |
| Crystal structure | Rhomboedral, 3m |
| Lattice parameters | a=12,532 Å, c=12,717 Å |
| Optical symmetry | Negative uniaxial (no>ne) |
| Density | 3,85 g/cm3 |
| Mohs hardness | 4-4,5 |
| Transparency range | 188 nm – 5,2 µm, reasonable from 3 µm to 5,2 µm for thin crystals (few tens of µm) |
| Sellmeier equations @188 nm - 5,2 µm range (λ in µm) | no2 = 1 + 0,90291 λ2/(λ2 - 0,003926) + 0,83155 λ2/(λ2 - 0,018786) + 0,76536 λ2/(λ2 - 60,01); ne2 = 1 + 1,151075 λ2/(λ2 - 0,007142) + 0,21803 λ2/(λ2 - 0,02259) + 0,656 λ2/(λ2 - 263) |
| Refractive indices | no = 1,6551; ne = 1,5426 |
| BBO crystals | |
|---|---|
| Orientation accuracy | <30 arcmin |
| Clear aperture | >90% |
| Face dimensions tolerance | +0,0/-0,1 mm |
| Parallelism error | <20 arcsec |
| Perpendicularity error | <5 arcmin |
| Protective chamfers | <0,1 mm at 45° |
| Surface quality | 10-5 S-D |
| Wavefront distortion | <λ/8@632,8 nm |
| Coatings | Low dispersion protective coatings or antireflective coatings on both sides |
| Laser-induced damage threshold | >500 MW/cm2@1064 nm, 10 ns |
| UVFS support | Crystals with <0,1 mm thickness are optically contacted to 0,5-1 mm UVFS support |
| Mount | Mounted in ⌀25,4 mm black anodized aluminum mount |
| Support | Crystals thinner than 0,1 mm are optically contacted onto UVFS support |
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Face dimensions
Length
Theta
Phi
Coatings
Application
SKU
PRICE
QUANTITY
6x6 mm
2 mm
23,4°
90°
AR/AR@515+1030 nm
SHG@1030 nm, 200 fs, type I
10733
430 €
6x6 mm
0,1 mm
50°
90°
P/P@515/257 nm
SHG@515 nm, 50 fs, type I
15808
520 €
6x6 mm
0,15 mm
50°
90°
P/P@515/257 nm
SHG@515 nm, 100 fs, type I
15809
500 €
6x6 mm
0,3 mm
50°
90°
P/P@515/257 nm
SHG@515 nm, 200 fs, type I
15810
480 €
6x6 mm
0,05 mm
29,2°
90°
P/P@400-800 nm
SHG@800 nm, 10 fs, type I
15811
620 €
6x6 mm
0,2 mm
29,2°
90°
P/P@400-800 nm
SHG@800 nm, 50 fs, type I
15833
440 €
6x6 mm
0,01 mm
44,3°
90°
P/P@400-800 nm
THG@800 nm, 10 fs, type I
15834
700 €
6x6 mm
0,02 mm
44,3°
90°
P/P@400-800 nm
THG@800 nm, 20 fs, type I
15835
670 €
6x6 mm
0,05 mm
44,3°
90°
P/P@400-800 nm
THG@800 nm, 50 fs, type I
15836
620 €
6x6 mm
0,2 mm
44,3°
90°
P/P@400-800/266 nm
THG@800 nm, 200 fs, type I
15837
440 €
6x6 mm
0,5 mm
29,2°
90°
P/P@400-800 nm
SHG@800 nm, 100 fs, type I
6398
420 €
6x6 mm
0,1 mm
29,2°
90°
P/P@400-800 nm
SHG@800 nm, 20 fs, type I
6399
450 €
6x6 mm
1 mm
29,2°
90°
P/P@400-800 nm
SHG@800 nm, 200 fs, type I
6400
370 €
6x6 mm
0,1 mm
44,3°
90°
P/P@400-800/266 nm
THG@800 nm, 100 fs, type I
9044
450 €
6x6 mm
0,5 mm
23,4°
90°
AR/AR@515+1030 nm
SHG@1030 nm, 50 fs, type I
9447
440 €
6x6 mm
1 mm
23,4°
90°
AR/AR@515+1030 nm
SHG@1030 nm, 100 fs, type I
9448
400 €
6x6 mm
1,5 mm
23,4°
90°
AR/AR@515+1030 nm
SHG@1030 nm, 150 fs, type I
9449
430 €
6x6 mm
0,15 mm
32,5°
90°
AR/AR@515+1030/343 nm
THG@1030 nm, 50 fs, type I
9450
650 €
6x6 mm
0,25 mm
32,5°
90°
AR/AR@515+1030/343 nm
THG@1030 nm, 100 fs, type I
9451
580 €
6x6 mm
0,55 mm
32,5°
90°
AR/AR@515+1030/343 nm
THG@1030 nm, 200 fs, type I
9452
490 €
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