Related Experiment Video
Updated: Jun 19, 2026
10:52
Direct Imaging of Laser-driven Ultrafast Molecular Rotation
Published on: February 4, 2017
Picosecond Ti:sapphire-pumped optical parametric oscillator based on LiB(3)O(5)
Optics Letters
|October 28, 2009
Summary
Researchers developed a high-repetition-rate optical parametric oscillator using lithium triborate. This system efficiently generates tunable near-infrared output pulses for various laser applications.
Area of Science:
- Nonlinear optics
- Laser physics
- Materials science
Background:
- Optical parametric oscillators (OPOs) are crucial for generating tunable laser light.
- High-repetition-rate sources are desirable for applications requiring high average power.
- Lithium triborate (LiB3O5) is a nonlinear crystal with favorable properties for optical applications.
Purpose of the Study:
- To report a high-repetition-rate, singly resonant optical parametric oscillator.
- To utilize lithium triborate (LiB3O5) as the nonlinear medium.
- To achieve efficient generation of tunable near-infrared pulses.
Main Methods:
- Synchronous pumping of a singly resonant OPO using picosecond pulses from a Ti:sapphire laser.
- Employing temperature-tuned, noncritical type I phase matching in LiB3O5.
- Characterizing output power, tuning range, and pulse duration without dispersion compensation.
Main Results:
- Generated average output powers of 90 mW at 81 MHz repetition rate.
- Achieved a signal tuning range of 1.374-1.530 microm and idler range of 1.676-1.828 microm.
- Obtained transform-limited signal pulses with durations of 520-780 fs.
Conclusions:
- Demonstrated a high-performance OPO based on LiB3O5.
- The system offers efficient generation of tunable picosecond pulses in the near-infrared.
- The results highlight the potential for this OPO in spectroscopic and other applications.
