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Brilliant Ecdl
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Download or read book Brilliant ECDL written by James Moran and published by . This book was released on 2006 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tailoring the Emission of Stripe-array Diode Lasers with External Cavities to Enable Nonlinear Frequency Conversion by : Andreas Jechow
Download or read book Tailoring the Emission of Stripe-array Diode Lasers with External Cavities to Enable Nonlinear Frequency Conversion written by Andreas Jechow and published by Universitätsverlag Potsdam. This book was released on 2009 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: A huge number of applications require coherent radiation in the visible spectral range. Since diode lasers are very compact and efficient light sources, there exists a great interest to cover these applications with diode laser emission. Despite modern band gap engineering not all wavelengths can be accessed with diode laser radiation. Especially in the visible spectral range between 480 nm and 630 nm no emission from diode lasers is available, yet. Nonlinear frequency conversion of near-infrared radiation is a common way to generate coherent emission in the visible spectral range. However, radiation with extraordinary spatial temporal and spectral quality is required to pump frequency conversion. Broad area (BA) diode lasers are reliable high power light sources in the near-infrared spectral range. They belong to the most efficient coherent light sources with electro-optical efficiencies of more than 70%. Standard BA lasers are not suitable as pump lasers for frequency conversion because of their poor beam quality and spectral properties. For this purpose, tapered lasers and diode lasers with Bragg gratings are utilized. However, these new diode laser structures demand for additional manufacturing and assembling steps that makes their processing challenging and expensive. An alternative to BA diode lasers is the stripe-array architecture. The emitting area of a stripe-array diode laser is comparable to a BA device and the manufacturing of these arrays requires only one additional process step. Such a stripe-array consists of several narrow striped emitters realized with close proximity. Due to the overlap of the fields of neighboring emitters or the presence of leaky waves, a strong coupling between the emitters exists. As a consequence, the emission of such an array is characterized by a so called supermode. However, for the free running stripe-array mode competition between several supermodes occurs because of the lack of wavelength stabilization. This leads to power fluctuations, spectral instabilities and poor beam quality. Thus, it was necessary to study the emission properties of those stripe-arrays to find new concepts to realize an external synchronization of the emitters. The aim was to achieve stable longitudinal and transversal single mode operation with high output powers giving a brightness sufficient for efficient nonlinear frequency conversion. For this purpose a comprehensive analysis of the stripe-array devices was done here. The physical effects that are the origin of the emission characteristics were investigated theoretically and experimentally. In this context numerical models could be verified and extended. A good agreement between simulation and experiment was observed. One way to stabilize a specific supermode of an array is to operate it in an external cavity. Based on mathematical simulations and experimental work, it was possible to design novel external cavities to select a specific supermode and stabilize all emitters of the array at the same wavelength. This resulted in stable emission with 1 W output power, a narrow bandwidth in the range of 2 MHz and a very good beam quality with M²<1.5. This is a new level of brightness and brilliance compared to other BA and stripe-array diode laser systems. The emission from this external cavity diode laser (ECDL) satisfied the requirements for nonlinear frequency conversion. Furthermore, a huge improvement to existing concepts was made. In the next step newly available periodically poled crystals were used for second harmonic generation (SHG) in single pass setups. With the stripe-array ECDL as pump source, more than 140 mW of coherent radiation at 488 nm could be generated with a very high opto-optical conversion efficiency. The generated blue light had very good transversal and longitudinal properties and could be used to generate biphotons by parametric down-conversion. This was feasible because of the improvement made with the infrared stripe-array diode lasers due to the development of new physical concepts.
Book Synopsis Brilliant Graduate Career Handbook by : Judith Done
Download or read book Brilliant Graduate Career Handbook written by Judith Done and published by Pearson UK. This book was released on 2016-09-12 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conference on Lasers and Electro-optics Europe by :
Download or read book Conference on Lasers and Electro-optics Europe written by and published by . This book was released on 2005 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pass ECDL 4 written by P. M. Heathcote and published by Payne Gallway. This book was released on 2005-04-04 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook covers Module 3: Word Processing for ECDL version 4. Written in a straightforward style, this book will be a useful guide for students studying for the ECDL (European Computer Driving Licence) qualification.
Book Synopsis Complete ECDL 5 by : James Anthony Kennedy
Download or read book Complete ECDL 5 written by James Anthony Kennedy and published by Gill. This book was released on 2012-02-22 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: New edition of this bestselling, ICS-approved textbook covering all seven modules of the ECDL 5 syllabus. Uses a combination of Microsoft Office 2010 suite of applications with Internet Explorer 8 and Windows Live Mail on the Microsoft Windows 7 operating system platform. Book and work files are also suitable for users of Microsoft Office 2007 suite of applications. Taking a comprehensive yet practical approach, images and screen grabs are used to explain concepts in a step-by-step manner. Clearly defined goals, support exercises and retention exercises are provided throughout the text. WRITTEN FOR: Students taking ECDL 5 modules
Download or read book People Management written by and published by . This book was released on 2001 with total page 1114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Complete Idiot's Guide to ECDL3 Microsoft Office 2000 by : James Moran
Download or read book The Complete Idiot's Guide to ECDL3 Microsoft Office 2000 written by James Moran and published by . This book was released on 2002-12 with total page 779 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Complete Idiot's Guide to ECDL 3 leads the reader through the ECDL curriculum in a friendly and informal way, whilst adhering to the ECDL tight set of guidelines. Readers will be led through the seven modules and shown practice examples of questions. This text focuses specifically on Office 2000. The book is aimed at those readers who understand the importance of the ECDL exam, but want a different way of learning the curriculum. The guide is designed to engage the reader who is new to computing.
Book Synopsis Learning to Pass ECDL by : Angela Bessant
Download or read book Learning to Pass ECDL written by Angela Bessant and published by Heinemann. This book was released on 2002 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully revised text for the European Computer Driving Licence has been updated. It takes students step-by-step through the seven modules of the award, setting tasks and exercises on the way.
Book Synopsis ECDL Online Essentials Part 1 Using Microsoft Edge by :
Download or read book ECDL Online Essentials Part 1 Using Microsoft Edge written by and published by . This book was released on 2016-02 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Practical Exercises for ECDL by : Jackie Sherman
Download or read book Practical Exercises for ECDL written by Jackie Sherman and published by . This book was released on 2002-10 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at the individual purchaser, this text is designed to test students' knowledge of the ECDL syllabus and help students pass the exam, providing a set of exercises for each of the seven modules. Starting with the basics and gradually progressing to an advanced level, each section should allow students to assess their current level of knowledge and to progress further until they have all the skills required to pass the exam. Before each exercise or set of exercises there is a checklist indicating which skills are required to complete the task.
Book Synopsis ECDL Computer Essentials Using Windows 10 by :
Download or read book ECDL Computer Essentials Using Windows 10 written by and published by . This book was released on 2016-02-01 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecdl written by Paul Holden and published by . This book was released on 1999-07-01 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecdl/Icdl Syllabus 4 Module 6 Presentations Using PowerPoint XP by : Cia Training Ltd Staff
Download or read book Ecdl/Icdl Syllabus 4 Module 6 Presentations Using PowerPoint XP written by Cia Training Ltd Staff and published by CIA Training Ltd.. This book was released on 2003-04 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Module 6 ECDL/ICDL Syllabus 4.0. This manual helps you learn how to create a PowerPoint presentation using various types of slides, how to format your slides using a variety of techniques and how to run a slide show. The manual comes with its own data files which you use for practising the relevant exercises. Approved by the ECDL Foundation.
Book Synopsis ECDL IT User Fundamentals Using Windows 10 (BCS ITQ Level 1) by :
Download or read book ECDL IT User Fundamentals Using Windows 10 (BCS ITQ Level 1) written by and published by . This book was released on 2016-02-01 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Information and Communication by : David Stott
Download or read book Information and Communication written by David Stott and published by Springer. This book was released on 2001-01-29 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Computer Driving Licence (ECDL) is a European-wide qualification that enables you to demonstrate your competence in computer skills. It covers a range of specific knowledge areas and skill sets, broken down into seven modules. Module 7: Information and Communication is divided into two main sections. The first covers basic Web search tasks using a Web browser and search engine tools. The second addresses the use of electronic mail software to send and receive messages, to attach documents, and to organise and manage message folders and directories. This study guide covers all the knowledge areas and skills required to understand and pass Module 7 of the ECDL syllabus. Throughout we have used clear, jargon free, self-paced exercises to provide you with an understanding of all the key elements to prepare you for the ECDL Test.
Download or read book ECDL Practice Exercises written by and published by . This book was released on 2006 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: