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Laser resonator: an electrooptically Q-switched Porro prism device.

M K Chun, E A Teppo

|February 19, 2010

Summary

A novel crossed Porro prism resonator enhances laser stability for electro-optical Q-switched Nd:YAG lasers. This configuration maintains performance despite environmental challenges, offering a robust laser solution.

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Area of Science:

Optics and Photonics
Laser Physics

Background:

Traditional laser resonators face alignment stability issues.
Electro-optical Q-switching introduces phase shifts affecting laser characteristics.

Purpose of the Study:

To analyze the operational characteristics of an electro-optical Q-switch within a crossed Porro prism resonator.
To demonstrate a stable and robust laser system for harsh environments.

Main Methods:

Theoretical analysis of operational characteristics (outcoupling, extinction ratio, prelasing boundaries).
Experimental validation using an electro-optically Q-switched Nd:YAG laser with a crossed Porro prism resonator.

Main Results:

The crossed Porro prism configuration significantly improves resonator alignment stability.
Phase shifts from the prism configuration impact Q-switch performance, requiring careful analysis.
Key operational parameters were analyzed and experimentally verified.

Conclusions:

A stable, electro-optically Q-switched Nd:YAG laser utilizing a crossed Porro prism resonator has been successfully developed.
This laser design demonstrates resilience in severe physical environments.

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