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Related Experiment Video

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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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Published on: August 12, 2013

Gaussian reflectivity mirror with an absorbing lens.

J S Uppal, R G Harrison

|June 16, 2010

Summary

Researchers developed a simple method to create Gaussian reflectivity mirrors using an absorbing lens. The study analyzed the efficiency of unstable resonators employing these novel Gaussian mirrors as output couplers.

Area of Science:

Optics and Photonics
Laser Physics

Background:

Gaussian reflectivity mirrors are crucial optical components in laser resonators.
Unstable resonators offer advantages in high-gain laser systems but require specific output coupling strategies.

Purpose of the Study:

To introduce a straightforward technique for fabricating Gaussian reflectivity mirrors.
To evaluate the performance and efficiency of unstable resonators utilizing these mirrors as output couplers.

Main Methods:

A simple method employing an absorbing lens to generate a Gaussian reflectivity profile on a mirror surface.
Analysis of the efficiency of an unstable resonator configuration incorporating the fabricated Gaussian mirror as the output coupler.

Main Results:

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Successful generation of a Gaussian reflectivity mirror using a cost-effective absorbing lens method.

Quantification of the resonator efficiency, demonstrating the viability of Gaussian mirrors in unstable resonator designs.

Conclusions:

The absorbing lens method provides a simple and effective way to produce Gaussian reflectivity mirrors.
Gaussian mirrors are suitable for use as output couplers in unstable resonators, impacting laser efficiency.