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Intra-cavity side-pumped Ho:YAG laser.

S So¹, J I Mackenzie, D P Shepherd

¹Optoelectronics Research Centre, University of Southampton, Highfield, Southampton SO17 IBJ, U.K. dps@orc.soton.ac.uk

|June 17, 2009

Summary

A new compact Holmium-doped Yttrium Aluminum Garnet (Ho:YAG) laser was developed using side-pumping technology. This laser achieved 14 W of continuous wave power, with potential for scaling to 100 W.

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Area of Science:

Laser Physics
Materials Science

Background:

High-power lasers are crucial for various applications.
Developing compact and scalable laser systems remains a challenge.

Purpose of the Study:

To present a novel, compact, and power-scalable Ho:YAG laser.
To demonstrate the feasibility of intracavity side-pumping for Ho:YAG lasers.

Main Methods:

Intracavity side-pumping of a Ho:YAG laser using a Tm:YLF slab laser.
Continuous wave (CW) operation at 2.09 micrometers.

Main Results:

Achieved 14 W of CW output power at 2.09 micrometers.
Demonstrated a compact laser design with power scalability.

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Conclusions:

The developed Ho:YAG laser design is effective and scalable.
Intracavity side-pumping is a promising technique for high-power Ho:YAG lasers.