A high throughput (>90%), large compensation range, single-prism femtosecond pulse compressor

TL;DR

This paper presents a highly efficient, large-range femtosecond pulse compressor using a single prism and roof mirrors, achieving high throughput and minimal dispersion for advanced laser applications.

Contribution

The authors introduce a novel single-prism femtosecond pulse compressor with roof mirrors that achieves over 90% throughput and a large compensation range, with zero angular and spatial dispersion.

Findings

Achieved ~-14500 fs^2 GDD with 30 cm prism separation

System throughput of approximately 90.7%

Zero angular and spatial dispersion, zero pulse-front tilt

Abstract

We demonstrate a high throughput, large compensation range, single-prism femtosecond pulse compressor, using a single prism and two roof mirrors. The compressor has zero angular dispersion, zero spatial dispersion, zero pulse-front tilt, and unity magnification. The high efficiency is achieved by adopting two roof mirrors as the retroreflectors. We experimentally achieved ~ -14500 fs2 group delay dispersion (GDD) with 30 cm of prism tip-roof mirror prism separation, and ~90.7% system throughput with the current implementation. With better components, the throughput can be even higher.