ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
ANHUI CRYSTRO CRYSTAL MATERIALS CO., LTD. INNOVATOR FOR MAGNETO OPTICAL CRYSTALS
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1064nm Electro-optic Q-switches Crystal DKDP Pockels Cells
The DKDP crystal is a uniaxial crystal with excellent optical quality with an extinction ratio of >2000:1 (measured using a 632 nm He-Ne laser) with a wave front distortion of 98%. The DKDP electro-optic Q-switching capacitor is small (about 3-5pF), so the rise time is short (<0.5ns), and a narrow pulse width pulse laser can be output during Q-switching. Compared with the widely used electro-optic crystals on the market, DKDP crystals have higher damage thresholds; the damage threshold is >1GW/cm2 under optical conditions of 10 ns pulse width, 1064 nm wavelength and repetition frequency.
Advantages:
Wave front distortion: low capacitance
Short rise time: ~3Pf
High transmittance: >98%
High damage threshold: >1GW/cm²
No static birefringence, no photorefractive damage
Anti-reflective coated quartz window
Resistant to ambient temperature shock and excellent electro-optic performance
Specifications of DKDP Pockels cell:
| Extinction Ratio | >5000:1 |
| Wavefront Distortion | < λ/8 @633nm |
| Capacitance | according to different model |
| Single Pass Optical Transmission | >98% |
| Damage Threshold | >750MW/cm2 @1064nm, 10ns 10Hz |
| Spectral Range | 240nm~1400nm |
| Typical Aperture Diameter | 8mm~30mm |
Typical Performance @1064nm
| Type | EOD-8Ga | EOD-8Gpa | EOD-10Ga | EOD-10Gpa | EOD-11Gpa | EOD-13Ga |
| Dimension | dia19*24mm | dia20*29mm | dia25.4*32mm | dia25.4*39mm | dia28*33mm | dia25.3*42.5mm |
| Clear Aperture | dia8mm | dia8mm | dia10mm | dia10mm | dia11mm | dia13mm |
| Single pass optical transmission | >98% | >98% | >98% | >98% | >98% | >98% |
| Wavefront Distortion | <λ/8 | <λ/8 | <λ/8 | <λ/8 | <λ/8 | <λ/8 |
| Extinction Ratio@1064nm | >5000:1 | >5000:1 | >5000:1 | >5000:1 | >5000:1 | >5000:1 |
| λ/4 Voltage | 3200V+/-200V | 3200V+/-200V | 3200V+/-200V | 3200V+/-200V | 3200V+/-200V | 3200V+/-200V |
| Capacitance | <4.5pF | <4.5pF | <5pF | <5pF | <6.5pF | <8pF |
| DamageThreshold | 750MW/cm²@1064nm.10ns,10Hz | |||||
