Electro-Optic Q-Switch Pockels Cell Module
The Electro-Optic Q-Switch Pockels Cell Module is a fast optical switching device based on the linear electro-optic (Pockels) effect in a nonlinear crystal. As shown in the drawing, the device is packaged in a compact rectangular metal housing with a large, clear optical aperture and a side-mounted high-voltage electrical connector, allowing convenient integration into a laser cavity. When a high-voltage pulse is applied, the crystal induces a controlled phase retardation of the transmitted polarized beam; in combination with intracavity polarizers, the module acts as an ultrafast intracavity loss switch. It is widely used for Q-switching of solid-state lasers, cavity dumping, pulse picking and regenerative amplifier injection/ejection. Key characteristics include low half-wave voltage, high extinction ratio, high optical transmission, nanosecond-level switching speed and high laser damage threshold, making it suitable for industrial, medical, scientific and LiDAR laser systems. Note: the source material contains only a product outline drawing without a written datasheet; the specifications listed are typical values for this product class and should be confirmed against the manufacturer's official datasheet.
Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Material | KD*P/BBO |
| Operating Wavelength Range | 300-1100nm |
| Clear Aperture | 8mm×8mm |
| Half-Wave Voltage @1064nm | ≤4.0kV |
| Extinction Ratio | ≥1000:1 |
| Single-Pass Transmission | ≥98% |
| Optical Damage Threshold | ≥1GW/cm²(1064nm,10ns) |
| Rise Time | ≤1ns |
| Maximum Repetition Rate | 100kHz |
| Capacitance | ≤6pF |
| Wavefront Distortion | ≤λ/8@633nm |
| AR Coating | AR@1064nm&532nm |
| Operating Temperature | -10~+50℃ |
| Storage Temperature | -20~+70℃ |
| Electrical Connector | High-Voltage Connector |
| Package Type | Rectangular Metal Housing |
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