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High power fundamental mode Nd:YAG laser with efficient birefringence compensation
Optics Express
|June 2, 2009
Summary
High-power experiments using an end-pumped neodymium-doped yttrium aluminum garnet (Nd:YAG) rod laser achieved 114 W of linearly polarized output. The study also demonstrated the highest reported 87 W injection-locked single-frequency output power.
Area of Science:
- Laser Physics
- Optics and Photonics
- Materials Science
Background:
- High-power lasers are crucial for various scientific and industrial applications.
- Nd:YAG lasers are widely used due to their excellent properties.
- Efficient birefringence compensation is essential for high-power laser operation.
Purpose of the Study:
- To present experimental results from a high-power end-pumped Nd:YAG rod laser.
- To investigate the effectiveness of efficient birefringence compensation.
- To demonstrate high output power and single-frequency operation.
Main Methods:
- Utilizing an end-pumped Nd:YAG rod laser architecture.
- Implementing an efficient birefringence compensation technique.
- Employing injection-locking for single-frequency operation.
Main Results:
- Achieved a linearly polarized output power of 114 W.
- Obtained an M2-value of 1.05, indicating near-diffraction-limited beam quality.
- Demonstrated a record 87 W injection-locked single-frequency output power.
Conclusions:
- The developed Nd:YAG laser system exhibits high output power and excellent beam quality.
- Efficient birefringence compensation is vital for achieving high-power linearly polarized output.
- The demonstrated single-frequency output power represents a significant advancement in laser technology.
