Characterization of White Light Supercontinuum
In this chapter, the measurements of the white-light continuum characteristics in the spectral, spatial and temporal domain are presented and discussed. Of major scientific interest, is for once, the behavior of the white-light continuum to the applied in
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Sebastian Uhlig
Self-Organized Surface Structures with Ultrafast White-Light First Investigation of LIPSS with Supercontinuum
Sebastian Uhlig Fraunhofer Institute for Photonic Microsystems Dresden, Germany
BestMasters ISBN 978-3-658-09893-3 ISBN 978-3-658-09894-0 (eBook) DOI 10.1007/978-3-658-09894-0 Library of Congress Control Number: 2015938767 Springer Spektrum © Springer Fachmedien Wiesbaden 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer Spektrum is a brand of Springer Fachmedien Wiesbaden Springer Fachmedien Wiesbaden is part of Springer Science+Business Media (www.springer.com)
Table of Contents Abbrevations, Constants & Symbols
vŝŝ
Abstract
ŝdž
Introduction
1
1 Introduction to Laser-Ablation &-Surface Structuring 1.1 Femtosecond Laser Ablation of Metals and Semiconductors 1.2 Laser-Induced Periodic Surface Structures . . . . . . . . . . 1.2.1 A Universal Phenomenon . . . . . . . . . . . . . . . 1.2.2 “Static” (Interference) Model . . . . . . . . . . . . . 1.2.3 “Dynamic”- (Self-Organization) Model . . . . . . . .
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4 4 5 5 7 8
2 Generation of White Light Supercontinuum 2.1 Nonlinear Optical Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1.1 Self-Focusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1.2 Self-Phase Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 12 13 15
3 Instrumentation and Experimental Setup 3.1 Laser System and Beam Quality . . . 3.2 Experime
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