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High efficiency, multi-Watt CW yellow emission from an intracavity-doubled self-Raman laser using Nd:GdVO4
1MQ Photonics, Department of Physics, Macquarie University, Sydney, NSW, 2109, Australia. alee@ics.mq.edu.au
Optics Express
|December 24, 2008
Summary
Efficient yellow laser emission was achieved using a novel self-Raman laser design. This method produced multi-Watt continuous-wave output, demonstrating high conversion efficiency for laser applications.
Area of Science:
- Laser Physics
- Nonlinear Optics
- Materials Science
Background:
- Continuous-wave (CW) yellow laser emission is crucial for various applications.
- Developing efficient methods for generating yellow light remains a challenge in laser technology.
Purpose of the Study:
- To demonstrate efficient multi-Watt CW yellow emission at 586.5 nm.
- To investigate the performance of a Nd:GdVO(4) self-Raman laser for yellow light generation.
Main Methods:
- Intracavity frequency-doubling of a Nd:GdVO(4) self-Raman laser.
- Utilizing a 20 mm long Nd:GdVO(4) crystal.
- Employing an intracavity mirror for yellow emission collection and thermal management.
Main Results:
- Achieved 2.51 W of CW yellow emission at 586.5 nm.
- Obtained an overall diode-to-yellow conversion efficiency of 12.2%.
- Demonstrated reduced thermal loading on the laser crystal.
Conclusions:
- Efficient multi-Watt CW yellow laser emission is feasible using intracavity frequency-doubling of a Nd:GdVO(4) self-Raman laser.
- The developed method offers a promising approach for yellow light generation.
- Optimized crystal length and intracavity design enhance laser performance and efficiency.
