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Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves

Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves

Hardcover

Series: Springer Theses

Technology & EngineeringGeneral SciencePhysics

ISBN10: 3031153278
ISBN13: 9783031153273
Publisher: Springer Nature
Published: Oct 28 2022
Pages: 121
Weight: 0.85
Height: 0.39 Width: 5.91 Depth: 9.06
Language: English

This thesis investigates the detection efficiency of field-resolved measurements of ultrashort mid-infrared waves via electro-optic sampling for the first time. Employing high-power gate pulses and phase-matched upconversion in thick nonlinear crystals, unprecedented efficiencies are achieved for octave-spanning fields in this wavelength range. In combination with state-of-the art, high-power, ultrashort mid-infrared sources, this allows to demonstrate a new regime of linear detection dynamic range for field strengths from mV/cm to MV/cm-levels. These results crucially contribute to the development of field-resolved spectrometers for early disease detection, as fundamental vibrational modes of (bio-)molecules lie in the investigated spectral range.

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Hofer, Christina

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