Jinan Crystrong Photoelectric Technology Co.,Ltd
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Anti-reflective Coated Quartz Window KDP Pockel Cell For DPSS Nd:YAG lasers
Products Description:
KDP and DKDP is routinely used for Q-switching applications from the UV out to about 1.1 um where absorption limits its use in active cavities, although it can be useful at longer wavelengths when a few percent of absorption can be tolerated.
KD*P based Pockels cells are routinely used for Q-switching applications from the 400 nm to about 1.1um. Most of commercial flash-lamp pumped Nd:YAG lasers and low repetition rate DPSS Nd:YAG lasers are equipped with KD*P based Pockels cell for laser cavity Q-switching.
Elector-optical KD*P crystals have high laser power resistant dielectric AR coatings. Additionally some series Pockels cells have AR coated windows for improved lifetime and protection in less user friendly environment.
ADVANTAGES:
SPECIFICATIONS
| Aperture | up to 100x100mm2 |
| Length | Minimum up to 1 mm,Maximum up to 40mm |
| Dimension tolerance | ±0.1mm |
| Deuteration Level | >98% |
| Parallelism | 20 arc seconds |
| Perpendicularity | 5 arc minutes |
| S/D | 10/5 |
| Flatness | λ/8@633nm |
| Angle tolerance(degree) | 0.25°,0.25° |
| Chamfer | 0.2mmx45° |
| Chip | 0.1mm |
| Optical Damage Threshold | >4GW/cm2@1064nm,20 |
| λ/4 Voltage | <3.6KV@1064nm,20 |
| λ/2 Voltage | <6.4KV@1064nm,20 |
| Wavelength range | 300-1100nm |
| Extinction Ratio | >1200:1 |
| Capacitance | 6~10pF@1kHz |
The vertical half-wave voltage of the DKDP crystal is about 3400 V (1064 nm) and the light damage threshold is about 500 MW / cm2, 1064 nm, 10 ns, 10 Hz. DKDP crystal polished surface easy deliquescence, it should be sealed, dry environment.