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Detection efficiency and bandwidth optimized electro-optic sampling of mid-infrared waves

Record Type:	Electronic resources : Monograph/item
Title/Author:	Detection efficiency and bandwidth optimized electro-optic sampling of mid-infrared wavesby Christina Hofer.
Author:	Hofer, Christina.
Published:	Cham :Springer International Publishing :2022.
Description:	xv, 121 p. :ill., digital ;24 cm.
Notes:	"Doctoral Thesis accepted by Ludwig Maximilians University Munich, Garching, Germany."
Contained By:	Springer Nature eBook
Subject:	Infrared radiation.
Online resource:	https://doi.org/10.1007/978-3-031-15328-0
ISBN:	9783031153280$q(electronic bk.)

Detection efficiency and bandwidth optimized electro-optic sampling of mid-infrared waves
Hofer, Christina.

Detection efficiency and bandwidth optimized electro-optic sampling of mid-infrared waves[electronic resource] /by Christina Hofer. - Cham :Springer International Publishing :2022. - xv, 121 p. :ill., digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral Thesis accepted by Ludwig Maximilians University Munich, Garching, Germany."

Introduction and Motivation -- Theoretical Background -- Simulation Results for EOS -- Experimental Results -- Conclusion and Outlook.

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. The results are discussed and compared with previous sensitivity records for electric-field measurements and reference is made to related implementations of the described characterization technique. Including a detailed theoretical description and simulation results, the work elucidates crucial scaling laws, characteristics and limitations. The thesis will thus serve as an educational introduction to the topic of field-resolved measurements using electro-optic sampling, giving detailed instructions on simulations and experimental implementations. At the same time, it showcases the state-of-the-art in terms of detection sensitivity for characterizing mid-infrared waves.

ISBN: 9783031153280$q(electronic bk.)

Standard No.: 10.1007/978-3-031-15328-0doiSubjects--Topical Terms:

574760
Infrared radiation.

LC Class. No.: QC457

Dewey Class. No.: 535.012

Detection efficiency and bandwidth optimized electro-optic sampling of mid-infrared waves
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505 0 $a Introduction and Motivation -- Theoretical Background -- Simulation Results for EOS -- Experimental Results -- Conclusion and Outlook.
520 $a 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. The results are discussed and compared with previous sensitivity records for electric-field measurements and reference is made to related implementations of the described characterization technique. Including a detailed theoretical description and simulation results, the work elucidates crucial scaling laws, characteristics and limitations. The thesis will thus serve as an educational introduction to the topic of field-resolved measurements using electro-optic sampling, giving detailed instructions on simulations and experimental implementations. At the same time, it showcases the state-of-the-art in terms of detection sensitivity for characterizing mid-infrared waves.
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