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Updated: Jun 8, 2026
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Implementation of a Coherent Anti-Stokes Raman Scattering (CARS) System on a Ti:Sapphire and OPO Laser Based Standard Laser Scanning Microscope
Published on: July 17, 2016
0.1 Hz 1.0 PW Ti:sapphire laser.
Jae Hee Sung1, Seong Ku Lee, Tae Jun Yu
1Center for Femto-Atto Science and Technology & Advanced Photonics Research Institute (APRI), GIST, Gwangju 500-712, South Korea.
Optics Letters
|September 18, 2010
Summary
This study presents the first petawatt (PW) Ti:sapphire laser system operating at a 0.1 Hz repetition rate. The system achieves 1.0 PW, 30 fs laser pulses with high energy stability and homogeneous beam profiles.
Area of Science:
- High-intensity laser physics
- Ultrafast optics
Background:
- Petawatt-class lasers are crucial for advanced scientific research.
- Existing systems often operate at lower repetition rates, limiting experimental throughput.
Purpose of the Study:
- To develop and demonstrate a novel petawatt Ti:sapphire laser system.
- To achieve a 0.1 Hz repetition rate for enhanced experimental capabilities.
Main Methods:
- Utilized a chirped-pulse amplification (CPA) Ti:sapphire laser architecture.
- Employed a final three-pass booster amplifier with 96 J pump energy.
- Achieved pulse energy amplification up to 47 J.
Main Results:
- Generated laser pulses with 1.0 PW peak power and 30 fs duration.
- Demonstrated a 0.1 Hz repetition rate, a first for petawatt Ti:sapphire systems.
- Achieved low shot-to-shot energy fluctuation (0.53% rms) and homogeneous flattop beam profiles.
Conclusions:
- Successfully established the first petawatt Ti:sapphire laser system at a 0.1 Hz repetition rate.
- The system's stability and beam quality are suitable for demanding high-intensity laser experiments.
- This advancement enables new possibilities in fields requiring high-energy, high-repetition-rate laser pulses.
