Essays about: "Frequency Domain Spectroscopy"

Showing result 1 - 5 of 8 essays containing the words Frequency Domain Spectroscopy.

  1. 1. Dielectric properties of ion-exchanged electrotechnical insulation papers : A study on the properties of novel papers

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Dan Selsmark; [2023]
    Keywords : Paper insulation; Frequency Domain Spectroscopy; Dielectric response; Karl Fischer titration; Dielectrics; Pappersisolering; Frekvensdomänsspektroskopi; Dielektrisk respons; Karl Fischer titrering; Dielektrika;

    Abstract : Electrical insulation papers are a widely used group of papers in insulation applications and has been used for more than 100 years. Common applications include use as the dielectric medium in capacitors and insulation material in cables, bushings and transformers. READ MORE

  3. 2. Prototype Instrumentation for Frequency Domain – Functional Near Infrared Spectroscopy

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Rohit Rathnam Nareshkumar; [2022]
    Keywords : Neurofeedback; Frequency domain fNIRS; vertical-cavity surface-emitting laser; silicon photomultiplier;

    Abstract : Frequency domain functional near infrared spectroscopy (FD-fNIRS) is a tissue optical measurement technique used to measure absolute haemoglobin concentrations in brain tissue. This work is intended to be the first step in the development of a wearable, low-cost FD-fNIRS device for neurofeedback applications. READ MORE

  4. 3. Temporal Characterization and Intensity Contrast Improvement of Few-cycle Laser Pulses

    University essay from Umeå universitet/Institutionen för fysik

    Author : Xiaoying Zhang; [2019]
    Keywords : ;

    Abstract : Due to the unique combination of properties of high intensity and few optical cycle pulse duration, the ultrashort laser pulses have widespread applications in pump-probe spectroscopy and laser-plasma interaction. Correspondingly, it is critical to precisely measure the electric field in the temporal or spectral domain. READ MORE

  5. 4. Photoionization study using few attosecond pulses and coincidence imaging techniques

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Lisa Rämisch; [2019]
    Keywords : Laser spectroscopy; Attosecond Science; Electron Spectroscopy; Physics and Astronomy;

    Abstract : Photoionization is one of the most fundamental photoreactions that leads to the ejection of an electron and the formation of an ion. With the help of modern 3D momentum imaging spectrometers, the interplay between the time and frequency domain upon ionization is studied. READ MORE

  6. 5. Time-frequency analysis of THz-time domain spectroscopy data

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Hugo Laurell; [2018]
    Keywords : ;

    Abstract : This text investigates THz-TDS signals in the time-frequency domain. Addi- tionally this text discusses the prospects of using time-frequency analysis to alleviate distortion in THz spectrographic characterizations induced by back- reflections in the free space electro optic sampling used in the THz time-domain spectroscopy detection scheme. READ MORE