portada Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves (en Inglés)

Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves (en Inglés)

Formato

Libro Físico

Autor

Christina Hofer

Editorial

Springer

Idioma

Inglés

N° páginas

121

Encuadernación

Tapa Blanda

Dimensiones

23.4x15.6x0.8 cm

Peso

0.20 kg.

ISBN13

9783031153303

Categorías

Teoría del caos
Física óptica
Ingeniería aplicada de materiales electrónicos, magnéticos y ópticos

Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves (en Inglés)

Christina Hofer (Autor) · Springer · Tapa Blanda

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Reseña del libro "Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves (en Inglés)"

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 theoreticaldescription 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.