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Efficient short-pulse generation from a diode-pumped Nd:YLF laser with a piezoelectrically induced diffraction
T Juhasz1, S T Lai, M A Pessot
1Intelligent Surgical Lasers, Inc., 4520 Executive Drive, San Diego, California 92121, USA.
Optics Letters
|September 23, 2009
Summary
This study details a diode-pumped, mode-locked Neodymium-doped Yttrium Lithium Fluoride (Nd:YLF) laser. Researchers achieved 7 picosecond pulses at 160 MHz with 160 mW output power.
Area of Science:
- Laser Physics
- Optoelectronics
- Materials Science
Background:
- Diode-pumped solid-state lasers offer efficiency.
- Mode-locking is crucial for generating ultrashort laser pulses.
- Piezoelectric strain-optic modulation is a technique for laser mode-locking.
Purpose of the Study:
- To describe the operation of a specific Nd:YLF laser system.
- To demonstrate the effectiveness of piezoelectric strain-optic modulation for mode-locking.
- To characterize the output performance of the laser.
Main Methods:
- Utilized a continuous-wave (cw) 1-W diode laser for pumping.
- Employed a piezoelectrically induced strain-optic light modulator for mode-locking.
- Operated the laser at a repetition rate of 160 MHz.
Main Results:
- Achieved ultrashort pulse durations of 7 picoseconds.
- Obtained a stable output power of 160 milliwatts.
- Confirmed successful mode-locking at a high repetition rate.
Conclusions:
- The described Nd:YLF laser system is capable of producing high-quality ultrashort pulses.
- Piezoelectric strain-optic modulation is a viable method for achieving mode-locking in such lasers.
- The results demonstrate potential applications in fields requiring high-repetition-rate, short-pulse lasers.
