Related Experiment Video
Updated: Jun 19, 2026
08:48
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
High-energy operation of a Co:MgF(2) laser
Optics Letters
|October 22, 2009
Summary
Researchers developed a novel cobalt magnesium fluoride (Co:MgF2) laser, achieving 900 mJ pulse energy at 2050 nm. This room-temperature, normal-mode laser demonstrates high average power, paving the way for advanced laser applications.
Area of Science:
- Laser Physics
- Materials Science
- Solid-State Lasers
Background:
- Pulsed laser systems are crucial for various scientific and industrial applications.
- Developing efficient and high-energy room-temperature lasers remains a key challenge.
- Co:MgF2 (cobalt-doped magnesium fluoride) is a promising gain medium for mid-infrared lasers.
Purpose of the Study:
- To investigate the performance of a pulsed, normal-mode Co:MgF2 laser at room temperature.
- To achieve high output energy and average power at 2050 nm.
- To explore the energy scalability and tuning range of the Co:MgF2 laser system.
Main Methods:
- Utilized a pulsed, normal-mode Co:MgF2 laser resonator.
- Operated the laser at room temperature without active cooling.
- Characterized output energy, average power, and spectral range.
Main Results:
- Generated a maximum output energy of 900 mJ at 2050 nm.
- Achieved average output powers up to 6.5 W.
- Obtained pulse energies exceeding 100 mJ across a broad spectral range (1800-2450 nm).
Conclusions:
- Demonstrated the capability of a room-temperature Co:MgF2 laser to produce high-energy pulses.
- The Co:MgF2 laser shows significant potential for high-power, tunable mid-infrared applications.
- Further research can optimize parameters for even higher performance.
