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Dissertations / Theses on the topic 'Chirped pulse amplification'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Antipenkov, Roman. "High energy broad bandwidth optical parametric chirped pulse amplification." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110307_144951-01814.

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Rapidly developing areas of high field physics, generation of high order harmonics or isolated attosecond pulses, require high peak power few-cycle pulse sources. Optical parametric chirped pulse amplification (OPCPA) has shown potential to satisfy these requirements and at present OPCPA is the leading technology for high energy few-cycle pulse table-top systems. The main objectives of this thesis were to investigate optical parametric amplification of broadband seed pulses in femtosecond and picosecond regimes, to develop and optimize a compact TW-scale OPCPA system intended for various appl

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2

Nguyen, Dat. "Dynamic feedback pulse shaping for high power chirped pulse amplification system." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5826.

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The topic of this proposal is the development of high peak power laser sources with a focus on linearly chirped pulse laser sources. In the past decade chirped optical pulses have found a plethora of applications such as photonic analog-to-digital conversion, optical coherence tomography, laser ranging, etc. This dissertation analyzes the aforementioned applications of linearly chirped pulses and their technical requirements, as well as the performance of previously demonstrated parabolic pulse shaping approaches. The experimental research addresses the topic of parabolic pulse generation in

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3

Vieux, Gregory. "Broad-band linear Raman chirped pulse amplification in plasma." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435149.

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4

Bates, Philip Kevin. "Optical parametric chirped pulse amplification in the few-cycle regime." Thesis, Imperial College London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445345.

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5

Houliston, James Robert. "Investigation and development of chirped pulse amplification in UV lasers." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359409.

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6

He, Fei. "The development of high power fibre chirped pulse amplification systems." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/70913/.

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With its broad gain bandwidth and high optical conversion efficiency, ytterbium (Yb)-doped silica fiber represents an attractive medium for the generation and amplification of ultrashort optical pulses. Research interest in Yb-doped fiber chirped pulse amplifier (CPA) systems first appeared in the late 1990s. However, the potential advantages and capabilities of Yb-doped fiber CPA systems were not fully studied during the early research. Further scaling of both the average power and the pulse energy have now become possible with the development of several key technologies that are associated w

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7

Mason, Michael Brett. "A sub-50 fs titanium-sapphire chirped pulse amplification laser system." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326264.

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8

Driever, Steffen. "Development of an ytterbium fibre based chirped pulse amplification laser system for high harmonic generation." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/26273.

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In this thesis, I describe the development of a high repetition rate femtosecond fibre based chirped pulse amplification system (FCPA) for strong-field physics experiments. This project was set in a newly established sub-group of the Laser Consortium at Imperial College London with the aim to push the strong-field and attosecond science experiments to be conducted at 100s of kHz repetition rate. It was important to design and implement a compact, CEP stable, high repetition rate fibre CPA system. Custom optics and mounts were employed in order to achieve a compact stretcher and compressor desi

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9

Cohen, Jacob Arthur. "Measuring the electric field of picosecond to nanosecond pulses with high spectral resolution and high temporal resolution." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37179.

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We demonstrate four experimentally simple methods for measuring very complex ultrashort light pulses. Although each method is comprised of only a few optical elements, they permit the measurement of extremely complex pulses with time-bandwidth products greater than 65,000. First, we demonstrate an extremely simple frequency-resolved-optical gating (GRENOUILLE) device for measuring the intensity and phase of pulses up to ~20ps in length. In order to achieve the required high spectral resolution and large temporal range, it uses a few-cm-thick second harmonic-generation crystal in the shape of a

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10

Kim, Kyungbum. "ALL-SEMICONDUCTOR HIGH POWER MODE-LOCKED LASER SYSTEM." Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2482.

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The objective of this dissertation is to generate high power ultrashort optical pulses from an all-semiconductor mode-locked laser system. The limitations of semiconductor optical amplifier in high energy, ultrashort pulse amplification are reviewed. A method to overcome the fundamental limit of small stored energy inside semiconductor optical amplifier called "eXtreme Chirped Pulse Amplification (X-CPA)" is proposed and studied theoretically and experimentally. The key benefits of the concept of X-CPA are addressed. Based on theoretical and experimental study, an all-semiconductor mode-locked

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11

Mentzer, Robert. "A one dimensional numeric model of the chirped pulse amplification of broadband laser light by an amplifier with broadband gain spectrum." Thesis, Southern Illinois University at Edwardsville, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1552541.

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<p> We have developed a one dimensional numeric simulation of the amplification of broadband laser light in a chirped pulse amplification (CPA) system containing an amplifier with a broadband gain spectrum. We present the theory concerning the generation of laser pulses and pulse shape altering effects. We model the amplification of monochromatic light in a narrow bandwidth amplifier as demonstrated by Lee M. Frantz and John S. Nodvik in their 1963 paper. Using the CPA method, we expand this model to describe the amplification of broadband laser pulses by an amplifier with a broadband gai

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12

Yilmaz, Remziye Pinar. "Timing Issues In A Terawatt Laser System." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610017/index.pdf.

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In the laser market, there have been various kinds of lasers designed and utilized for different purposes. As time goes on, their powers have been gradually increased from kilowatts (kW) to terawatts (TW). One of the most famous methods in laser science technology is Chirped Pulse Amplification (CPA) which enables table-top terawatt laser systems. This method provides high output power (tens of TW), very short pulse duration (few tens of femtoseconds) and large energy (mJ) for ultrafast lasers. One of the most well-known ultrafast lasers is Titanium:Sapphire laser. This thesis work concentrate

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13

Voronov, Sergei Leonidovich. "Controlling Laser High-Order Harmonic Generation Using Weak Counter-Propagating Light." BYU ScholarsArchive, 2002. https://scholarsarchive.byu.edu/etd/49.

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Laser high-order harmonic generation in the presence of relatively weak interfering light is investigated. The interfering pulses intersect the primary harmonic-generating laser pulse at the laser focus. The interfering light creates a standing intensity and phase modulation on the field, which disrupts microscopic phase matching and shuts down local high harmonic production. Suppression of the 23rd harmonic (by two orders of magnitude) is observed when a counter-propagating interfering pulse of light is introduced. A sequence of counter-propagating pulses can be used to shut down harmonic pro

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14

Sims, Robert. "Development of Thulium Fiber Lasers for High Average Power and High Peak Power Operation." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5706.

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High power thulium fiber lasers are useful for a number of applications in both continuous-wave and pulsed operating regimes. The use of thulium as a dopant has recently gained interest due to its large bandwidth, possibility of high efficiency, possibility of high power and long wavelength ~1.8 – 2.1 [micro]m. The longer emission wavelength of Tm-doped fiber lasers compared to Yb- and/or Er-doped fiber lasers creates the possibility for higher peak power operation due to the larger nonlinear thresholds and reduced nonlinear phase accumulation. One primary interest in Tm-doped fiber lasers

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15

Ramirez, Lourdes Patricia. "Few-cycle OPCPA laser chain." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00806245.

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The Apollon-10 PW laser chain is a large-scale project aimed at delivering 10 PW pulses to reach intensities of 10^22 W/cm^2. State of the art, high intensity lasers based solely on chirped pulse amplification (CPA) and titanium sapphire (Ti:Sa) crystals are limited to peak powers reaching 1.3 PW with 30-fs pulses as a result of gain narrowing in the amplifiers. To access the multipetawatt regime, gain narrowing can be suppressed with an alternative amplification technique called optical parametric chirped pulse amplification (OPCPA), offering a broader gain bandwidth and pulse durations as sh

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16

Löser, Markus. "Diode-Pumped High-Energy Laser Amplifiers for Ultrashort Laser Pulses The PENELOPE Laser System." Doctoral thesis, Helmholtz-Zentrum Dresden - Rossendorf, 2017. https://tud.qucosa.de/id/qucosa%3A30755.

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The ultrashort chirped pulse amplification (CPA) laser technology opens the path to high intensities of 10^21 W/cm² and above in the laser focus. Such intensities allow laser-matter interaction in the relativistic intensity regime. Direct diode-pumped ultrashort solid-state lasers combine high-energy, high-power and efficient amplification together, which are the main advantages compared to flashlamp-pumped high-energy laser systems based on titanium-doped sapphire. Development within recent years in the field of laser diodes makes them more and more attractive in terms of total costs, compact

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17

Löser, Markus. "Diode-Pumped High-Energy Laser Amplifiers for Ultrashort Laser Pulses The PENELOPE Laser System." Helmholtz-Zentrum Dresden - Rossendorf, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-232322.

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The ultrashort chirped pulse amplification (CPA) laser technology opens the path to high intensities of 10^21 W/cm² and above in the laser focus. Such intensities allow laser-matter interaction in the relativistic intensity regime. Direct diode-pumped ultrashort solid-state lasers combine high-energy, high-power and efficient amplification together, which are the main advantages compared to flashlamp-pumped high-energy laser systems based on titanium-doped sapphire. Development within recent years in the field of laser diodes makes them more and more attractive in terms of total costs, compact

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18

Dacasa, Pereira Hugo. "Spatial and temporal metrology of coherent ultrashort pulses inthe extreme-ultraviolet domain." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX041/document.

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Les impulsions ultra-brèves de rayonnement ultraviolet extrême (UVX) ont un grand champ d’application dans les domaines tels que le diagnostic de plasmas, la spectroscopie ou l’étude de la dynamique ultrarapide dans les atomes et les molécules.Aujourd’hui, il existe trois sources délivrant ce genre d’impulsions. Les harmoniques d’ordre élevé (HHG, en anglais) générés dans les gaz rares ou sur les solides peuvent fournir des impulsions attosecondes. Cependant, leur énergie, le plus souvent de l’ordre du nanojoule, limite les applications. L’amplification des impulsions harmoniques dans les plas

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19

Loeser, Markus. "Diode-Pumped High-Energy Laser Amplifiers for Ultrashort Laser Pulses." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-232571.

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The ultrashort chirped pulse amplification (CPA) laser technology opens the path to high intensities of 10^21 W/cm² and above in the laser focus. Such intensities allow laser-matter interaction in the relativistic intensity regime. Direct diode-pumped ultrashort solid-state lasers combine high-energy, high-power and efficient amplification together, which are the main advantages compared to flashlamp-pumped high-energy laser systems based on titanium-doped sapphire. Development within recent years in the field of laser diodes makes them more and more attractive in terms of total costs, compact

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20

Grande, Adrian. "Laser à fibres Tm : Ho de haute puissance à femtoseconde à 2050 nm." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0021.

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La technique d’amplification à dérive de fréquence "chirped pulse amplification" (CPA)a été développée pour augmenter la puissance des impulsions issues d’oscillateurs à verrouillage de mode, car l’énergie des impulsions n’étaient pas suffisantes pour des applications telles que la physique des champs forts et l’accélération de particules. Depuis son développement en 1985, elle a été utilisée dans une grande variété de systèmes laser industriels et dans des installations laser à ultra-haute puissance. Cette technique permet d’une part de s’affranchir de l’accumulation de phase non linéaire qui

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21

Labaye, François. "Amplification passive d'un laser à fibre optique dans une cavité Fabry-Perot : application à la production de rayonnement gamma par diffusion Compton inverse." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00837822.

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La nécessité de prouver l'existence de nouvelles particules comme les quarks et le boson de Higgs a entrainé le développement de deux nouveaux pans de la recherche : la physique des hautes énergies ou physique des particules, dédiée à prouver expérimentalement l'existence de ces particules puis à étudier leurs propriétés et la physique des accélérateurs, dédiée au développement de nouveaux instruments pour la physique des hautes énergies.Dans ce contexte, des collisionneurs linéaires électrons/positrons polarisés de forte luminosité dont l'énergie serait connue et accordable pourrait permettre

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22

Wang, Yanjie. "Development of a high contrast Nd:glass laser using chirped pulse amplification." Phd thesis, 1993. http://hdl.handle.net/1885/138847.

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23

Al-kadry, Alaa. "Two-Color Chirped-Pulse Amplification Fiber Amplifier, for Mid-Infrared Generation." Thesis, 2010. http://hdl.handle.net/10012/4981.

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The goal of this thesis is developing a two-color Ytterbium (Yb) fiber amplifier system that can be used for generation of mid-infrared radiation. Previously, our group reported generating 20 µW of average power, at a wavelength of 18µm. This was accomplished through the amplification of a two color-seed with peaks at 1040nm and 1110nm, through a two stage amplification without any compression. The mid-infrared radiation (MIR) was generated with a 4.5 ps pulse duration by the method of difference-frequency mixing, using 300 mW of average power from the two-color Yb-fiber amplifier. Because the

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24

Hays, Gregory Ross 1972. "Development of broad spectrum technologies for high energy chirped pulse amplification." Thesis, 2007. http://hdl.handle.net/2152/3436.

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We have developed several broad-spectrum technologies for high-intensity chirped pulse amplification. We present the design and performance of two 20 TW laser systems. THOR is a Ti:sapphire, 10 Hz, ultra-fast laser that produces femtosecond pulses with a peak intensity of 18.4 TW. The laser operates near the bandwidth limit of the medium maintaining sufficient spectrum to produce 38 fs pulses. This equates to a near transform limited time-bandwidth product of 0.490. The second laser system was developed to study broad-spectrum pulse amplification in mixed Neodymium-doped laser glasses. Our eff

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25

Huang, Sheng Wen, and 黃聖文. "Experimental and Theoretical Studies of Chirped-Pulse Amplification of Spectrally Shaped Picosecond Pulses from an All-Normal Dispersion Yb-Fiber Laser." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/4rnu52.

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碩士<br>國立清華大學<br>光電工程研究所<br>103<br>In this thesis, we studied experimentally and theoretically spectrally shaped chirped pulse amplification (CPA) of a high-power ytterbium-doped fiber laser amplifier with a central wavelength at 1064 nm. The seed source is an all-normal dispersion (ANDi) passively mode-locked fiber laser. For the amplified stages, we employ the 10 m-core and 30 m-core non-polarization maintaining Yb-doped fiber to be used in the pre-amplifier and main amplified stages respectively. The seed laser generated pulses with a repetition rate of ~15 MHz, spectral bandwidth ~ 9 nm a

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26

Alves, Joana Andreia Casanova Ferreira. "Characterization of an OPCPA laser amplifier based on the nonlinear crystal YCOB." Master's thesis, 2015. http://hdl.handle.net/10362/15655.

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The work described in this thesis was performed at the Laboratory for Intense Lasers (L2I) of Instituto Superior Técnico, University of Lisbon (IST-UL). Its main contribution consists in the feasibility study of the broadband dispersive stages for an optical parametric chirped pulse amplifier based on the nonlinear crystal yttrium calcium oxi-borate (YCOB). In particular, the main goal of this work consisted in the characterization and implementation of the several optical devices involved in pulse expansion and compression of the amplified pulses to durations of the order of a few optical

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27

Vyhlídka, Štěpán. "Řízení disperze 10 PW laserového systému." Doctoral thesis, 2020. http://www.nusl.cz/ntk/nusl-410600.

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This thesis deals with the design of a stretcher and compressor systems used for the chirped pulse amplification method for the L4 beamline. The L4 beamline is being developed for the ELI Beamlines project and aims to deliver pulses with peak power of 10 petawatt, central wavelength of 1060 nanometers, pulse duration of 150 femtoseconds and energy of 1500 Joules. Since the laser induced damage threshold and aperture of commercial diffraction gratings is currently a limiting factor in reaching higher peak powers, it was necessary to increase the effective aperture of the compressor using either

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28

Sanders, James Christopher. "Terawatt Raman laser system for two-color laser plasma interactions." Thesis, 2014. http://hdl.handle.net/2152/26001.

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In some high-field laser-plasma experiments, it is advantageous to accompany the main high-energy (~1 J) laser with a second high-energy pulse (~0.1 J) which has been frequency-shifted by ~10-20%. Such a pulse-pair would have a low walk-off velocity while remaining spectrally distinct for use in two-color pump-probe experiments. Moreover, by shifting the second pulse by ~plasma frequency, it is theoretically possible to exercise some amount of control over a variety of laser-plasma instabilities, including forward Raman scattering, electromagnetic cascading, and relativistic self-focusing. Alt

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29

Ren, Yi Ting, and 任頤庭. "Generation of High-Power Sub-picosecond Pulses by Chirped-Pulse Amplification Technique Based on a Dual-Stage Yitterbium-Doped Polarization Maintaining Fiber Amplifier Seeded by Picosecond All-Normal Dispersion Yb-Fiber Laser." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/28841344985011992788.

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碩士<br>國立清華大學<br>物理系<br>104<br>In the thesis, we studied the chirped pulse amplification (CPA) system based on a dual-stage Yb-doped polarization-maintaining (PM) fibers seeded with a picosecond-scale all-normal dispersion (ANDi) fiber laser with pulse duration of 15 ps and average output power of 50 mW. The dual-stage amplifier was composed of 7-m-long 10-μm Yb-doped PM fiber and 5-m-long 30-μm Yb-doped PM fiber as a pre-amplifier and a main amplifier, respectively. In the experiment, due to strong nonlinearities induced by PM fibers and third order dispersion (TOD) of the fiber stretcher, we

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