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Related Experiment Video

Updated: Jul 10, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Yb:YAG master oscillator power amplifier for remote wind sensing.

A K Sridharan¹, S Saraf, R L Byer

¹Ginzton Laboratory, Stanford University, CA 94305, USA. s.arun.kumar@stanfordalumni.org

|October 24, 2007

Summary

Researchers developed a solid-state laser amplifier for remote wind sensing. Novel cladding techniques in zig-zag slab amplifiers achieved record energy density, overcoming parasitic oscillations for high gain.

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Last Updated: Jul 10, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

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Published on: July 12, 2017

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

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Published on: February 13, 2018

Area of Science:

Laser Physics
Remote Sensing Technologies
Materials Science

Background:

Global remote wind sensing requires high-gain, stable laser amplifiers.
Parasitic oscillations limit performance in traditional laser amplifier designs.

Purpose of the Study:

To demonstrate advances in solid-state laser amplifiers for remote wind sensing.
To achieve high gain and overcome parasitic oscillations in a 1.03 micrometer laser amplifier.

Main Methods:

Designed end-pumped zig-zag slab amplifiers.
Utilized claddings on total internal reflection (TIR) and edge surfaces to manage light confinement and emission.
Implemented single-, double-, and quadruple-pass configurations.

Main Results:

Achieved significant small-signal amplifier gain (e3, e5, e8).
Overcame parasitic oscillation limitations through innovative cladding.
Demonstrated a record stored energy density of 15.6 J/cm3 for a laser-diode end-pumped Yb:YAG zig-zag slab amplifier.

Conclusions:

Key advances were made towards a solid-state laser amplifier for global remote wind sensing.
The developed amplifier design shows potential for improved wind sensing capabilities.
The record energy density highlights the effectiveness of the employed techniques.