Electro-Optic Q-Switch Pockels Cell Module

Electro-Optic Q-Switch Pockels Cell Module

Supplier
Yokogawa
Part Number
Electro-Optic Q-Switch Pockels Cell Module
Category
Other
Origin
China

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.

Specification Snapshot
Operating Wavelength Range
300-1100nm
Half-Wave Voltage @1064nm
≤4.0kV
Rise Time
≤1ns
Maximum Repetition Rate
100kHz
Capacitance
≤6pF
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Overview

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.

Specifications

ParameterValue
Crystal MaterialKD*P/BBO
Operating Wavelength Range300-1100nm
Clear Aperture8mm×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 Rate100kHz
Capacitance≤6pF
Wavefront Distortion≤λ/8@633nm
AR CoatingAR@1064nm&532nm
Operating Temperature-10~+50℃
Storage Temperature-20~+70℃
Electrical ConnectorHigh-Voltage Connector
Package TypeRectangular Metal Housing

Applications

1. Q-switching of flashlamp-pumped and diode-pumped solid-state lasers (Nd:YAG, Nd:YVO4, Yb:YAG, etc.) 2. Pulse picking and pulse slicing in ultrafast (picosecond/femtosecond) laser amplifier systems 3. Cavity dumping and pulse injection/ejection in regenerative amplifiers 4. Laser rangefinding, LiDAR and remote-sensing transmitters 5. Medical and aesthetic laser equipment (dermatology, ophthalmology, surgical lasers) 6. Scientific research, nonlinear optics and laser physics experiments

Key Features

1. Large clear aperture with high single-pass optical transmission for low intracavity loss 2. Low half-wave voltage, reducing the requirement on the high-voltage driver 3. Fast switching speed (nanosecond-level rise time) and high repetition-rate capability up to 100kHz 4. High extinction ratio (≥1000:1) for clean, well-defined output pulses 5. High laser damage threshold, suitable for high-peak-power and high-average-power lasers 6. Compact rectangular metal housing with side-mounted high-voltage connector for easy mounting and system integration 7. Broadband AR coating options covering fundamental and harmonic wavelengths

Datasheet

Product Datasheet
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Supplier Information

Yo
Yokogawa
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<p>Yokogawa was founded in 1915 and has more than 6,000 test and measurement instrument patents. It focuses on developing and providing the best test and measurement solutions. Yokogawa Measurement Technology (Shanghai) Co., Ltd. ensures the excellent quality of the brand and contributes to the growth of China's industry.</p>

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