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Fast rise time, long pulse width, kilohertz repetition rate Q-switch driver
Thomas P Rutten1, Neville Wild, Peter J Veitch
1Department of Physics, The University of Adelaide, Adelaide, South Australia 5005, Australia. thomas.rutten@adelaide.edu.au
The Review of Scientific Instruments
|August 4, 2007
Summary
A novel Pockels cell Q-switch driver generates high-voltage electrical pulses with fast rise times and long duration. This versatile circuit exceeds 1 kHz repetition rates, suitable for Q-switched lasers and regenerative amplifiers.
Area of Science:
- Laser physics and optics
- Electrical engineering
- Pulsed power systems
Background:
- Q-switched lasers and regenerative amplifiers require precise high-voltage pulse generation for optimal performance.
- Existing drivers may lack versatility in pulse characteristics or repetition rate capabilities.
Purpose of the Study:
- To present a versatile Pockels cell Q-switch driver.
- To demonstrate the generation of high-voltage electrical pulses with specific characteristics (fast rise time, long duration).
- To achieve high repetition rates for advanced laser applications.
Main Methods:
- Design and implementation of a simple, adaptable electrical circuit.
- Integration of the driver with Pockels cells for laser Q-switching.
- Characterization of pulse parameters (rise time, duration, repetition rate).
Main Results:
- The driver successfully generates high-voltage electrical pulses.
- Achieved fast rise times and long pulse durations.
- Demonstrated a repetition rate exceeding 1 kHz.
- The circuit proved easily adaptable to various laser systems.
Conclusions:
- The developed Pockels cell Q-switch driver is versatile and effective.
- It meets the demanding requirements for high-voltage pulse generation in advanced laser systems.
- Its simplicity and adaptability make it a valuable tool for researchers and engineers.
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