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100-fs pulse generation and amplification in Ti:AI2O3
1Ultrafast Science Laboratory, University of Michigan, 2200 Bonisteel, Room 1006, Ann Arbor, Michigan 48109-2099, USA.
Optics Letters
|September 24, 2009
Summary
We developed a self-mode-locked titanium-sapphire (Ti:Al2O3) laser producing ultrashort pulses. These pulses were amplified to generate high-energy, femtosecond laser output for advanced applications.
Area of Science:
- Laser physics
- Ultrafast optics
- Materials science
Background:
- Titanium-sapphire (Ti:Al2O3) lasers are crucial for generating tunable ultrashort pulses.
- Achieving high pulse energies from femtosecond lasers requires efficient amplification techniques.
Purpose of the Study:
- To construct a self-mode-locked Ti:Al2O3 laser capable of producing femtosecond pulses.
- To amplify these pulses to millijoule energy levels using a regenerative amplifier.
Main Methods:
- Self-mode-locking of a Ti:Al2O3 laser to generate initial femtosecond pulses.
- Utilizing a Ti:Al2O3 regenerative amplifier for pulse energy amplification.
Main Results:
- Successfully generated 100-fs pulses from the self-mode-locked Ti:Al2O3 laser at 750 nm.
- Amplified pulses to the millijoule energy level, achieving 105-fs duration and 10-GW peak power.
Conclusions:
- Demonstrated a robust system for generating high-energy, femtosecond laser pulses.
- The developed laser system offers potential for various scientific and technological applications requiring ultrashort, high-intensity pulses.
