Related Experiment Video
Updated: Jun 22, 2026
10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Ultrashort pulse Yb:LaSc(3)(BO(3))(4) mode-locked oscillator
Optics Express
|June 25, 2009
Summary
Passive mode-locked laser operation was achieved using an Yb-doped lanthanum scandium borate crystal. This laser system generated ultrashort pulses as short as 58 fs with tunable output, demonstrating its potential for various applications.
Area of Science:
- Laser Physics
- Materials Science
Background:
- Mode-locked lasers are crucial for generating ultrashort optical pulses.
- Yb-doped crystals offer advantages for laser applications due to their spectral properties.
Purpose of the Study:
- To demonstrate passive mode-locked laser operation using a novel Yb-doped lanthanum scandium borate crystal.
- To characterize the performance of the laser in terms of pulse duration, output power, and tunability.
Main Methods:
- Utilized an Ytterbium (Yb)-doped lanthanum scandium borate crystal as the gain medium.
- Employed a Ti:sapphire laser and a diode laser as pump sources.
- Investigated passive mode-locking techniques to achieve ultrashort pulse generation.
Main Results:
- Achieved pulse durations of 58 fs and 67 fs with Ti:sapphire and diode laser pumping, respectively.
- Obtained average output powers of 73 mW and 39 mW at a 90 MHz repetition rate.
- Demonstrated broad tunability from 1028 to 1057 nm in the sub-200 fs pulse regime.
Conclusions:
- Passive mode-locking is feasible with Yb-doped lanthanum scandium borate crystals.
- The developed laser system provides ultrashort, tunable pulses suitable for advanced optical applications.
- Yb-doped lanthanum scandium borate presents a promising material for ultrafast laser development.
