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BBO Pockels Cells
Keyword：
BBO Pockels Cells
Category：
- Description
- Parameters
- CAS'TechClass
-
Accurate, fast, adjustable wavelength selector
The BBO Pockels cells are laser devices developed based on the electro-optic effect. When a voltage is applied to the electro-optic crystal, the refractive index of the crystal changes. The phase difference caused by birefringence for the polarized light transmitted along the optical axis will lead to a change in the polarization state after exiting. The working principle of BBO Pockels cells is based on the transverse electro-optic effect. Therefore, the working voltage can be effectively reduced by changing the size of the BBO crystal.
CASTECH can provide BBO Pockels cells with different specifications and requirements. The products can be applied to different usage environments. Due to the low ringing effect of BBO Pockels cells, combined with CASTECH's self-made driver, a repetition rate of 1 MHz can be achieved. In addition, CASTECH also provide water-cooled or other special accessory customizations.
Applications：
●Q-switching
●Regenerative amplifier
●Pulse picker
●Cavity dumping
Key words:- BBO Pockels Cell
- electro-optic Q-switching
- repetition frequency MHZ
-
Model Number：BPt-alq-b-w
Type (t)
Effective Clear Aperture (a)
Crystal length (l)
Cascade type(q)
Optional Accessories(b)
Wavelength (w)
A (Square)
C (Round)
S (special)
3 (2.6 mm)
4 (3.6 mm)
...
A (20 mm)
B (25 mm)
...
S (Single)
D (Double)
T (Triple)
...
C (Ceramic)
L (Water Cooling)
N (Nothing)
...
1030 nm
1064 nm
...
Typical Specifications
Aperture*
Extinction ratio
Rise/Fall Time
Cascade Type
Transmission
Representative Model
λ/4 voltage***
3-6 mm
≥1200:1
＜10 ns
Single
≥99%
3AS
3.6kV
3-6 mm
≥1000:1
＜10 ns
Double
≥98.5 %
3AD
1.8kV
7-12 mm
≥500:1
＜20 ns
Double
≥98.5 %
10AD
5.8kV
Damage threshold 10 J/cm²,10 ns,10 Hz
*Recommend to use a light spot (1/e ²) less than 0.6 times the clear aperture
**The actual value is affected by the drive.
*** Relate to the model, and it is recommended that the maximum operating voltage does not exceed 1.3 times the standard voltage of the customized model (e.g. for a clear aperture of 3mm, it is recommended that the maximum operating voltage does not exceed 3.9kV).
Housing dimensions(mm)：
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