Cavity Enhanced Spectroscopy And Sensing

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Cavity Enhanced Spectroscopy And Sensing

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Author : Gianluca Gagliardi
language : en
Publisher: Springer
Release Date : 2013-10-19

Cavity Enhanced Spectroscopy And Sensing written by Gianluca Gagliardi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-19 with Science categories.

The book reviews the dramatic recent advances in the use of optical resonators for high sensitivity and high resolution molecular spectroscopy as well as for chemical, mechanical and physical sensing. It encompasses a variety of cavities including those made of two or more mirrors, optical fiber loops, fiber gratings and spherical cavities. The book focuses on novel techniques and their applications. Each chapter is written by an expert and/or pioneer in the field. These experts also provide the theoretical background in optics and molecular physics where needed. Examples of recent breakthroughs include the use of frequency combs (Nobel prize 2005) for cavity enhanced sensing and spectroscopy, the use of novel cavity materials and geometries, the development of optical heterodyne detection techniques combined to active frequency-locking schemes. These methods allow the use and interrogation of optical resonators with a variety of coherent light sources for trace gas detection and sensing of strain, temperature and pressure.

Laser And Fiber Optic Gas Absorption Spectroscopy

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Author : George Stewart
language : en
Publisher: Cambridge University Press
Release Date : 2021-04-08

Laser And Fiber Optic Gas Absorption Spectroscopy written by George Stewart and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-08 with Science categories.

A rigorous account of the physics and engineering of diode and fibre laser gas sensor design, with key applications.

State Of The Art Laser Spectroscopy And Its Applications Volume Ii

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Author : Yufei Ma
language : en
Publisher: Frontiers Media SA
Release Date : 2023-02-09

State Of The Art Laser Spectroscopy And Its Applications Volume Ii written by Yufei Ma and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-09 with Science categories.

Laser Spectroscopy For Sensing

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Author : Matthieu Baudelet
language : en
Publisher: Elsevier
Release Date : 2014-02-15

Laser Spectroscopy For Sensing written by Matthieu Baudelet and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-15 with Technology & Engineering categories.

Laser spectroscopy is a valuable tool for sensing and chemical analysis. Developments in lasers, detectors and mathematical analytical tools have led to improvements in the sensitivity and selectivity of spectroscopic techniques and extended their fields of application. Laser Spectroscopy for Sensing examines these advances and how laser spectroscopy can be used in a diverse range of industrial, medical, and environmental applications. Part one reviews basic concepts of atomic and molecular processes and presents the fundamentals of laser technology for controlling the spectral and temporal aspects of laser excitation. In addition, it explains the selectivity, sensitivity, and stability of the measurements, the construction of databases, and the automation of data analysis by machine learning. Part two explores laser spectroscopy techniques, including cavity-based absorption spectroscopy and the use of photo-acoustic spectroscopy to acquire absorption spectra of gases and condensed media. These chapters discuss imaging methods using laser-induced fluorescence and phosphorescence spectroscopies before focusing on light detection and ranging, photothermal spectroscopy and terahertz spectroscopy. Part three covers a variety of applications of these techniques, particularly the detection of chemical, biological, and explosive threats, as well as their use in medicine and forensic science. Finally, the book examines spectroscopic analysis of industrial materials and their applications in nuclear research and industry. The text provides readers with a broad overview of the techniques and applications of laser spectroscopy for sensing. It is of great interest to laser scientists and engineers, as well as professionals using lasers for medical applications, environmental applications, military applications, and material processing. - Presents the fundamentals of laser technology for controlling the spectral and temporal aspects of laser excitation - Explores laser spectroscopy techniques, including cavity-based absorption spectroscopy and the use of photo-acoustic spectroscopy to acquire absorption spectra of gases and condensed media - Considers spectroscopic analysis of industrial materials and their applications in nuclear research and industry

The Quality Of Air

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Author :
language : en
Publisher: Elsevier
Release Date : 2016-07-26

The Quality Of Air written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-26 with Science categories.

The Quality of Air discusses the topic from both the environmental and human health points-of-view. As today's policymakers, academic, government, industrial researchers, and the general public are all concerned about air pollution in both indoor and outdoor scenarios, this book presents the advances in the analytical tools available for air quality control within social, political, and legal frameworks. With its multi-author approach, there is a wide range of expertise in tackling the topic. - Addresses real scenarios of polluted sites - Presents updates of the available methodologies for the quality control of indoor and outdoor air - Includes evaluations of working scenarios in different fields as mandated by regulations

State Of The Art Laser Gas Sensing Technologies

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Author : Yufei Ma
language : en
Publisher: MDPI
Release Date : 2020-03-05

State Of The Art Laser Gas Sensing Technologies written by Yufei Ma and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-05 with Technology & Engineering categories.

Trace gas sensing technologies are widely used in many applications, such as environmental monitoring, life science, medical diagnostics, and planetary exploration. On the one hand, laser sources have developed greatly due to the rapid development of laser media and laser techniques in recent years. Some novel lasers such as solid-state, diode, and quantum cascade lasers have experienced significant progress. At present, laser wavelengths can cover the range from ultraviolet to terahertz, which could promote the development of laser gas sensing technologies significantly. On the other hand, some new gas sensing methods have appeared, such as photothermal spectroscopy and photoacoustic spectroscopy. Laser spectroscopy-based gas sensing techniques have the advantages of high sensitivity, non-invasiveness, and allowing in situ, real-time observation. Due to the rapid and recent developments in laser source as well as the great merits of laser spectroscopy-based gas sensing techniques, this book aims to provide an updated overview of the state-of-the-art laser gas sensing technologies.

Collisional Effects On Molecular Spectra

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Author : Jean-Michel Hartmann
language : en
Publisher: Elsevier
Release Date : 2021-01-12

Collisional Effects On Molecular Spectra written by Jean-Michel Hartmann and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-12 with Science categories.

Gas phase molecular spectroscopy is a powerful tool for obtaining information on the geometry and internal structure of isolated molecules and their interactions with others. It enables the understanding and description, through measurements and modeling, of the influence of pressure on light absorption, emission, and scattering by gas molecules, which must be taken into account for the correct analysis and prediction of the resulting spectra. Collisional Effects on Molecular Spectra: Laboratory Experiments and Models, Consequences for Applications, Second Edition provides an updated review of current experimental techniques, theoretical knowledge, and practical applications. After an introduction to collisional effects on molecular spectra, the book moves on by taking a threefold approach: it highlights key models, reviews available data, and discusses the consequences for applications. These include areas such as heat transfer, remote sensing, optical sounding, metrology, probing of gas media, and climate predictions. This second edition also contains, with respect to the first one, significant amounts of new information, including 23 figures, 8 tables, and around 700 references.Drawing on the extensive experience of its expert authors, Collisional Effects on Molecular Spectra: Laboratory Experiments and Models, Consequences for Applications, Second Edition, is a valuable guide for all those involved with sourcing, researching, interpreting, or applying gas phase molecular spectroscopy techniques across a range of fields. - Provides updated information on the latest advances in the field, including isolated line shapes, line-broadening and -shifting, line-mixing, the far wings and associated continua, and collision-induced absorption - Reviews recently developed experimental techniques of high accuracy and sensitivity - Highlights the latest practical applications in areas such as metrology, probing of gas media, and climate prediction

Tunable Laser Applications

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Author : F.J. Duarte
language : en
Publisher: CRC Press
Release Date : 2016-02-22

Tunable Laser Applications written by F.J. Duarte and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-22 with Medical categories.

Broadly tunable lasers continue to have a tremendous impact in many and diverse fields of science and technology. From a renaissance in laser spectroscopy to Bose-Einstein condensation, the one nexus is the tunable laser. Tunable Laser Applications describes the physics and architectures of widely applied tunable laser sources. Fully updated and ex

Infrared Spectroscopy

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Author : Marwa El-Azazy
language : en
Publisher: BoD – Books on Demand
Release Date : 2019-03-06

Infrared Spectroscopy written by Marwa El-Azazy and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-06 with Science categories.

Delving into Infrared Spectroscopy: Principles, Advances and Applications, and with basic knowledge of IR spectroscopy, will provide the reader with a synopsis of fundamentals and groundbreaking advances in the field. Readers will see a variety of MIR applications and difficulties encountered, especially in an industrial environment. Competency in FT-IR spectroscopy in biomedical research and early-stage diagnosis of obesity is shown. Challenges associated with VIS-NIR applications are shown through application of the technique in assessing quality parameters of fruits. Moreover, IR spectroscopic studies of radiation-stimulated processes, and the influence of using IR in developing an ideal catalyst and hence an efficient catalysis process, are discussed. The impact of coupling multivariate data analysis techniques to IR is shown in almost every chapter.

Chiral Analysis

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Author : P.L. Polavarapu
language : en
Publisher: Elsevier
Release Date : 2018-05-30

Chiral Analysis written by P.L. Polavarapu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-30 with Science categories.

Chiral Analysis: Advances in Spectroscopy, Chromatography and Emerging Methods, Second Edition covers an important area of analytical chemistry of relevance to a wide variety of scientific professionals, including chemistry graduate students, analytical chemists, organic chemists, professionals in the pharmaceutical industry, and others with an interest in chirality and chiral analysis. This thoroughly revised second edition covers several new, important areas of chiral analysis that have emerged since the first edition. Three of the new methods provide higher sensitivity than can be realized with the current methods and are expected to become mainstream applications: cavity based methods offer vastly higher sensitivity than conventional polarimetric methods, microwave chiral detection provides unsurpassed sensitivity for identifying diastereomers, and the rotating electric field method offers a competing new approach for the separation of enantiomers. Another topic, chirality in extraterrestrial life, has not been discussed in any other book and is important for understanding the origin of life. - Offers the only book to cover both spectroscopic and separation methods in a single volume - Provides an up-to-date and detailed review of the various techniques available, including new techniques that have emerged since the first edition - Includes contributions from a range of leading experts in the field, now edited by award-winning chirality researcher Prasad Polavarapu