Essays about: "Mode-locked"

Showing result 1 - 5 of 6 essays containing the word Mode-locked.

  1. 1. Free-Space Dark Pulse Mode-Locked Laser

    University essay from KTH/Tillämpad fysik

    Author : Martin Brunzell; [2021]
    Keywords : Solid State Laser; Sum-frequency generation; Dark pulse; Mode-locked; Laser; Summa-frekvens generation; mörk puls; modlåst;

    Abstract : While the development of bright pulses produced in free space devices can be found in a large set of applications and research equipment all over the world. The production of dark pulses in a free-space device has not been shown prior to this work. READ MORE

  3. 2. Near-infrared optical frequency comb Vernier spectroscopy in air and in a flame

    University essay from Umeå universitet/Institutionen för fysik

    Author : Maryam Fakhri; [2017]
    Keywords : ;

    Abstract : A Vernier spectrometer is built with a near-infrared mode-locked Er:doped fiber laser, a Fabry-Perot cavity with finesse of 1000, a diffraction grating and a photo detector. The optical cavity provides high sensitivity in absorption detection by enhancing the interaction length of the light with molecular species contained in the cavity. READ MORE

  4. 3. Implementation of continuous filtering frequency comb Vernier spectroscopy for continuous acquisition of spectra in a flame

    University essay from Umeå universitet/Institutionen för fysik

    Author : Adam Edlund; [2017]
    Keywords : optical frequency comb; continuous filtering Vernier spectroscopy;

    Abstract : In this project laser absorption spectroscopy was performed on a flame in a Fabry-Pérot cavity, using an optical frequency comb. Optical frequency comb spectroscopy is a technique that allows broadband ultra-sensitive detection of molecular species in gas phase. READ MORE

  5. 4. Construction of a setup for dispersion measurements on multilayer structures.

    University essay from KTH/Tillämpad fysik

    Author : Hassan Shah; [2012]
    Keywords : ;

    Abstract : Dispersion is a rather unavoidable phenomenon that occurs when using semiconductor, multilayer mirrors for experiments with mode-locked lasers. Due to unknown dispersion, the laser pulses may not be stable which results in unwanted laser pulse properties. READ MORE

  6. 5. Generation of tunable broadband deep ultraviolet radiation from gaseous media using ultrashort laser pulses.

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

    Author : Esben Witting Larsen; [2011]
    Keywords : Physics and Astronomy;

    Abstract : Most modern ultrafast lasers are based on mode-locked fiber or solid-state lasers and operate around the near infrared part of the electromagnetic spectrum. The widely spread CPA based Titanium Sapphire lasers can emit pulses centred around 800nm with durations down to 20 fs. READ MORE