VIS-VUV non-linear / electro- / acousto-optical crystal
Nonlinear optical crystal BBO (BETA-BAB2O4)
bBO
Main Properties
| Compound | β-BaB2O4 | ||
| Transparency range, µm | 0.189 - 2.6 | ||
| Nonlinear coefficient, pm/V | d22=2.2, d15=0.16 | ||
| Symmetry | Trigonal, 3m point group | ||
| Cell parameters, Å | a=12.519, c=12.723 | ||
|
Typical Reflection index |
1064 nm 532 nm |
no=1.5980, ne=1.5432 no=1.6139, ne=1.5555 |
|
|
Optical Damage Threshold, GW/cm2 |
1064 nm (t=10ns) |
1-2 |
|
| Cut off SHG | Type I Type II |
411 nm 527 nm |
|
| Walk off angle, ° | Type I, 1064 nm | 3.2 | |
| Temperature acceptance, °C*cm | Type I 1064 nm | 55 | |
| Mohs hardness | 4.5 | ||
The parameters of optical elemets
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 10/5 | |
Application
- Harmonic Generation (SHG, THG, 4HG, 5HG) of YAG, SHG of Ti: Sapphire and Alexandrite lasers.
- Tunable solid-state lasers using OPO (pumped by 355, 532 or 1064 nm)
- Efficient UV sources using SHG and SFG of the tunable dye lasers
- Autocorrelators (in thin crystals) in picosecond and femtosecond laser systems.
We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer's specifications, reflectivity curves are applied upon request.
(KTiOAsO4)
KTA
(potassium titanyl arsenate)
|
Compound |
KTiOAsO4 |
|
|
Transparency range, µm |
0.35 – 5.5 |
|
|
Nonlinear coefficient, pm/V |
d31= 2.76; d32= 4.74; d33= 18.5 |
|
|
Symmetry |
Orthorhombic, mm2 point group |
|
|
Cell parameters, Å |
a=13.103, b=6.558, c=10.746 |
|
| Typical Reflection indices |
1064 nm 532 nm |
nx=1.7826, ny=1.7890, nz=1.8677 nx=1.8293, ny=1.8356, nz=1.9309 |
|
Optical Damage Threshold, GW/cm2 |
1064 nm
(t=10 ns) |
1.5 |
|
Electrooptic coefficients, pm/V |
r13=15, r23=21, r33=40 | |
|
Mohs hardness |
5 | |
The parameters of optical elements
Orientation accuracy, arc min< 30<td20/10
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | ||
Application
- Optical parametric oscillator (OPO) in middle IR region 1 – 5.5 µm
- Different frequency generation in middle IR region 1 – 5.5 µm
We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer’s specifications, reflectivity curves are applied upon request.
Nonlinear optical crystal KTP (KTiOPO4)
KTP
(potassium titanyl phosphate)
Main Properties
| Compound | KTiOPO4 | |
| Transparency range, µm | 0.35 – 4.5 | |
| Nonlinear coefficient, pm/V | d31 = 2.0; d32 = 3.6 | |
| Symmetry | Orthorhombic, mm2 point group | |
| Cell parameters, Å | a=12.818, b=6.404, c=10.596 | |
| Typical Reflection index |
1064 nm 532 nm |
nx=1.7381, ny=1.7458, nz=1.8302 nx=1.7785, ny=1.7892, nz=1.8894 |
| Optical Damage Threshold, GW/cm2 |
1064 nm (t=10 ns) |
~1 |
| Electrooptic coefficients, pm/V | r13=9.5, r23=15.7, r33=36.3 | |
| Mohs hardness | 5 | |
The parameters of optical elements
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 20/10 | |
Application
- Optical parametric oscillation (OPO) in near IR region up to 4 µm
- Different frequency generation (DFG) in near IR region up to 4 µm
- Second harmonic generation (SHG) of radiation 1.064 µm
We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer’s specifications, reflectivity curves are applied upon request.
Nonlinear optical crystal LB4 (Li2B4O7)
LiB4O7
(lithium tetraborate)
Main Properties
| Transparency range, µm | 0.16 – 3.5 | |
| Nonlinear coefficient, pm/V | d31 = 2.0; d31 = 0.12 | |
| Symmetry | Tetragonal, 4mm point group | |
| Cell parameters, Å | a=12.818, b=6.404, c=10.596 | |
| Typical Reflection index |
1064 nm 532 nm |
no=1.5980, ne=1.5432 no=1.6139, ne=0.5564 |
| Optical Damage Threshold, GW/cm2 |
1064 nm (t=10 ns) |
1 |
| Walk off angle, ° (532 nm) | 1.9 | |
| Mohs hardness | 4-5 | |
| Chemical properties | Non-hygroscopic | |
The parameters of optical elements
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 20/10 | |
Application
- Substrate for a surface acoustic wave (SAW) devices
- Harmonics generation (SHG, THG, 4HG, 5HG) of YAG lasers
- High power ultraviolet light source based on SHG and SFG of the visible radiation.
Nonlinear LBO (LiB3O5)optical crystal
LBO
(lithium triborate)
Main Properties
| Compound | LiB3O5 | |
| Transparency range, µm | 0.16 – 2.6 | |
| Nonlinear coefficient, pm/V | d31 = 0.67; d32 = 0.85 | |
| Symmetry | Ortorombic, mm2 point group | |
| Cell parameters | a=8.447, b=7.3798, c=5.1408 Å | |
| Typical Reflection index |
1064 nm 532 nm |
nx=1.5656, ny=1.5905, nz=1.6055 nx=1.5785, ny=1.6065, nz=1.6212 |
| Optical Damage Threshold, GW/cm2 |
1053 nm (t=10 ns) |
2.5 |
| Cut off | SHG THG |
554 nm 794 nm |
| Walk off angle, ° | Type I Type II |
0.43 0.22 |
| Mohs hardness | 6 | |
The parameters of optical elements
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 20/10 | |
Application
- Second harmonic generation (SHG) of power radiations of YAG: Nd, YAG: Ho, Ti: Sapphire, Alexandrite and Cu vapour lasers
- Third harmonic generation (THG) of YAG: Nd, Ti: Sapphire, Alexandrite lasers.
- Optical Parametric Oscillation (OPO)/Amplification (OPA) pumped by 308, 355, 532 and 1064 nm
- Autocorrelation (in thin crystals) in picosecond and femtosecond laser systems.
We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer’s specifications, reflectivity curves are applied upon request.