500 W Peak Power Cavity Dumped 2-micron GaSb-Based VECSEL
Jacob Hoehler, Ricky Gibson, Jennifer Reed, Robert Bedford
TL;DR
This paper reports the development of a high pulse-energy GaSb-based VECSEL emitting at 2.04 microns, achieving over 500W peak power with good beam quality, suitable for various advanced applications.
Contribution
It introduces a novel cavity design with a Pockels cell and thin film polarizer for efficient intracavity energy dumping in a 2-micron VECSEL.
Findings
Peak power exceeds 500W
Achieves 10ns pulse duration
Maintains good beam quality
Abstract
A single transverse mode high pulse-energy VECSEL was developed. The GaSb based VECSEL emits at a wavelength of 2.04 microns with a peak power exceeding 500W while maintaining good beam quality. The cavity employs a Pockels cell combined with a low-loss thin film polarizer to selectively dump the intracavity energy into a 10ns pulse. The laser has promise for incoherent LiDAR, materials processing, gas sensing, and nonlinear optics.
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