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BBO Pockels
Cell Q-switches
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| BBO crystal is
well-known for its excellent optical quality and low
strain birefringence, which results in high extinction
ratios and low wavefront distortion. BBO crystal Pockels
cells (200 nm to 1064 nm) are ideal for high speed and
high average power switching. |
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High extinction ratio
Low insertion loss
Resonance free operation
Small capacitance (~2 pF)
No thermal blooming
High damage threshold
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| Specifications
of Q-switches |
| Model |
QSB-33 |
QSB-44 |
QSB-55 |
QSL-66 |
QSL-99 |
| Material |
BBO |
BBO |
BBO |
LiNbO3 |
LiNbO3 |
| Aperture (mm) |
2.5 |
3.6 |
4.7 |
5.5 |
8.6 |
| λ / 4 Voltage @1064 nm (KV) |
4.8 |
2.6 |
5.4 |
1.0 |
1.5 |
| Extinction ratio |
>1000:1 |
>1000:1 |
>1000:1 |
>100:1 |
>100:1 |
| Insertion Loss |
<2% |
<2% |
<3% |
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| Wavefront distortion (λ=633
nm) |
<λ
/10 |
<λ
/10 |
<λ
/10 |
<λ
/8 |
<λ
/8 |
| Capacitance (pF) |
~2 pF |
~2 pF |
~2 pF |
~30 pF |
~20 pF |
| Damage threshold |
850 MW/cm2
for pulses < 10 ns
10 GW/cm2 for pulses <100
ps
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250 MW/cm2
(20 ns pulse)
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| Typical risetime (ps) |
<300 |
<300 |
<300 |
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| Spectral range (nm) |
200-2000 |
200-2000 |
200-2000 |
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| Dimension (mm) |
f30 x 40 |
f35 x 45 |
f40 x 50 |
f40 x 50 |
f40 x 50 |
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