| Model: | crystal-bbo |
|---|---|
| Brand: | sun optics |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | BBO , BBO crystal |
| Price: |
US $5
/ pc
|
| Min. Order: | 500 pc |
| Live Chat: | Last Online:21 Oct, 2013 |
BBO is featured by
● Broad phase matchable range from 409.6 nm to 3500 nm;
● Wide transmission region from 190 nm to 3500 nm;
● Large effective second-harmonic-generation (SHG) coefficient about 6 times greater than that of KDP crystal;
● High damage threshold;
High optical homogeneity with dn » 10-6/cm;
● Wide temperature-bandwidth of about 55°C.
Basic Properites of BBO
Table 1.Chemical and Structural properties of BBO
|
Crystal Structure: |
Trigonal, space group R3c |
|
Lattics Parameters: |
a=b=12.532Å, c=12.717Å, Z=6 |
|
Melting point |
About 1095℃ |
|
Mohs Hardness |
4 |
|
Density |
3.85g/cm3 |
|
Thermal Conductivity |
1.2W/m/K(┴c): 1.6W/m/K(//c) |
|
Thermal Expansion Coefficients |
a11=4x10-6/K; a33=36x10-6/K |
Table 2.Optical and Nontinear Optical Properties Of BBO
|
Transparency Range: |
190-3500nm |
|
SHG Phase Matchable Range |
409.6-3500nm(Type I) 525-3500nm(Type II) |
|
therm-optic Coefficients(/℃) |
dno/dT=-16.6X10-6 dne/dT=-9.3X10-6 |
|
Absorption Coefficients |
<0.1%/cm at 1064nm <1%/cm at 532nm |
|
Angle Acceptance |
0.8mrad-cm (θ, Type I,1064 SHG)
|
|
Temperature Acceptance |
55℃-cm |
|
Spectral Acceptance |
1.1nm-cm |
|
Walk-off Angle |
2.7° (Type I 1064 SHG)
|
|
NLO Coefficients |
deff (I)=d31sinθ+(d11cosΦ-d22sin3Φ)cosθ
|
|
Non-vanished NLO susceptibilities |
d11=5.8xd36(KDP)
|
|
sellmeier Equations(λ in μm ) |
no2=2.7359+0.01878 / (λ2-0.01822) -0.01354 λ2
|
|
Electro-optic coefficients: |
r22=2.7pm/V |
|
Half-wave voltage: |
7KV (at 1064nm,3*3*20mm3) |
|
Resistivity: |
>1011 ohm-cm |
|
Relative Dielectric Constant: |
εs11/εo:6.7
|
Coatings of BBO
Dual Band AR-coating (DBAR)of BBO for SHG of 1064nm
low reflectance (R<0.2% at 1064nm and R<0.5% at 532nm);
high damage threshold (>300MW/cm2 at both wqvelengths);
long durability;
● Broad Band AR-coating (BBAR) of BBO for SHG of tunable lasers.
● Broad Band P-coating of BBO for OPO applications.
Note: Other coatings are available upon request.