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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

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Published on: April 24, 2014

Elliptic-mode cavity for diode-pumped lasers.

E Krausz, J Zehetner, T Brabec

|September 25, 2009

Summary

This summary is machine-generated.

A novel laser resonator design significantly reduces pump threshold by an order of magnitude. This innovation optimizes end-pumped laser efficiency and enables high-power scaling.

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Area of Science:

Laser physics
Optical engineering

Background:

End-pumped lasers are crucial for various applications.
Optimizing gain medium exploitation is key for laser efficiency.

Purpose of the Study:

To analyze a novel laser resonator design.
To achieve a strongly elliptic TEM(00) mode in the gain medium.
To enhance the efficiency of end-pumped lasers.

Main Methods:

Analysis of a novel laser resonator.
Design for an axially symmetric output beam.
Squeezing the mode volume in the active medium.

Main Results:

Achieved a strongly elliptic TEM(00) mode in the gain medium.
Reduced pump threshold by an order of magnitude compared to conventional systems.
Maintained other laser characteristics without compromise.

Conclusions:

The novel resonator design enables optimum exploitation of inversion.
Efficient scaling of end-pumped lasers to high powers is feasible.
Geometric multiplexing of diode arrays further enhances scalability.