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A New Generation of Ultrafast Oscillators for Mid-Infrared Applications

A New Generation of Ultrafast Oscillators for Mid-Infrared Applications

Paperback

Series: Springer Theses

Technology & EngineeringPhysics

ISBN10: 3030897567
ISBN13: 9783030897567
Publisher: Springer Nature
Published: Feb 3 2023
Pages: 140
Weight: 0.51
Height: 0.34 Width: 6.14 Depth: 9.21
Language: English

This thesis presents the first successful realization of a compact, low-noise, and few-cycle light source in the mid-infrared wavelength region. By developing the technology of pumping femtosecond chromium-doped II-VI laser oscillators directly with the emission of broad-stripe single-emitter laser diodes, coherent light was generated with exceptionally low amplitude noise -- crucial for numerous applications including spectroscopy at high sensitivities. Other key parameters of the oscillator's output, such as pulse duration and output power, matched and even surpassed previous state-of-the-art systems. As a demonstration of its unique capabilities, the oscillator's powerful output was used to drive -- without further amplification -- the nonlinear generation of coherent mid-infrared light spanning multiple octaves. The resulting table-top system uniquely combines high brilliance and ultrabroad spectral bandwidth in the important mid-infrared spectral range.

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Nagl, Nathalie

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Physics