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Published on: November 22, 2019
High-repetition-rate high-power femtosecond ArF laser source
Optics Letters
|October 27, 2009
Summary
High-power optical pulses were generated and amplified using advanced laser technology. This research achieved significant average power with ultrashort pulse durations for potential applications.
Area of Science:
- Laser physics
- Ultrafast optics
- High-power lasers
Background:
- High-power ultrashort laser pulses are crucial for various scientific applications.
- Efficient amplification of such pulses at specific wavelengths presents technical challenges.
Purpose of the Study:
- To amplify 170-fs optical pulses at 193 nm using an ArF gain module.
- To investigate the performance of a double-pass amplification system.
Main Methods:
- Frequency quadrupling of high-power Ti:sapphire laser pulses to generate 193 nm output.
- Amplification of these pulses in an ArF gain module.
- Utilizing a double-pass amplification configuration at a 400 Hz repetition rate.
Main Results:
- Achieved amplification of 170-fs pulses to approximately 300 fs.
- Obtained an average power of 290 mW.
- Demonstrated effective double-pass amplification in the ArF gain module.
Conclusions:
- The ArF gain module effectively amplifies ultrashort optical pulses at 193 nm.
- The double-pass amplification technique enhances average power output.
- This method provides a viable route for generating high-power, ultrashort UV laser pulses.
