laser spectroscopy for sensing

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Laser Spectroscopy for Sensing
Author : Matthieu Baudelet
Publisher : Elsevier
Release Date : 2014-02-15
ISBN 10 : 085709873X
Pages : 592 pages

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

Laser Spectroscopy and its Applications
Author : Richard W. Solarz,Jeffrey A. Paisner
Publisher : CRC Press
Release Date : 1986-09-29
ISBN 10 : 9780824775254
Pages : 712 pages

Bringing together scattered literature from a range of sources, Laser Spectroscopy and Its Applications clearly elucidates the tools and concepts of this dynamic area, and provides extensive bibliographies for further study. Distinguished experts in their respective fields discuss resonance photoionization, laser absorption, laser-induced breakdown, photodissociation, Raman scattering, remote sensing, and laser-induced fluorescence. The book also incorporates an overview of the semiclassical theory of atomic and molecular spectra. Combining background at an intermediate level with an in-depth discussion of specific techniques, Laser Spectroscopy and Its Applications is essential reading for laser and optical scientists and engineers; analytical chemists; health physicists; researchers in optical, chemical, pharmaceutical, and metallurgical industries. It will also prove useful for upper-level undergraduate and graduate students of laser spectroscopy and its applications, and in-house seminars and short courses offered by firms and professional societies. Book jacket.

Cavity-Enhanced Spectroscopy and Sensing
Author : Gianluca Gagliardi,Hans-Peter Loock
Publisher : Springer
Release Date : 2013-10-19
ISBN 10 : 3642400035
Pages : 527 pages

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.

Advances in Spectroscopy for Lasers and Sensing
Author : Baldassare Di Bartolo,Ottavio Forte
Publisher : Springer Science & Business Media
Release Date : 2006-07-21
ISBN 10 : 1402047894
Pages : 564 pages

This volume presents the Proceedings of "New Development in Optics and Related Fields," held in Italy in June, 2005. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Center for Scientific Culture. The purpose of this Institute was to provide a comprehensive and coherent treatment of the new techniques and contemporary developments in optics and related fields.

State-of-the-art Laser Gas Sensing Technologies
Author : Yufei Ma,Aurore Vicet,Karol Krzempek
Publisher : MDPI
Release Date : 2020-03-05
ISBN 10 : 3039283987
Pages : 278 pages

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.

Laser-Induced Breakdown Spectroscopy
Author : Jagdish P. Singh,Surya Narayan Thakur
Publisher : Elsevier
Release Date : 2020-06-02
ISBN 10 : 0128188308
Pages : 620 pages

Laser-Induced Breakdown Spectroscopy, Second Edition, covers the basic principles and latest developments in instrumentation and applications of Laser Induced Breakdown Spectroscopy (LIBS). Written by active experts in the field, it serves as a useful resource for analytical chemists and spectroscopists, as well as graduate students and researchers engaged in the fields of combustion, environmental science, and planetary and space exploration. This fully revised second edition includes several new chapters on new LIBS techniques as well as several new applications, including flame and off-gas measurement, pharmaceutical samples, defense applications, carbon sequestration and site monitoring, handheld instruments, and more. LIBS has rapidly developed into a major analytical technology with the capability of detecting all chemical elements in a sample, of real- time response, and of close-contact or stand-off analysis of targets. It does not require any sample preparation, unlike conventional spectroscopic analytical techniques. Samples in the form of solids, liquids, gels, gases, plasmas, and biological materials (like teeth, leaves, or blood) can be studied with almost equal ease. This comprehensive reference introduces the topic to readers in a simple, direct, and accessible manner for easy comprehension and maximum utility. Covers even more applications of LIBS beyond the first edition, including combustion, soil physics, environment, and life sciences Includes new chapters on LIBS techniques that have emerged in the last several years, including Femtosecond LIBS and Molecular LIBS Provides inspiration for future developments in this rapidly growing field in the concluding chapter

Laser and Fiber Optic Gas Absorption Spectroscopy
Author : George Stewart
Publisher : Cambridge University Press
Release Date : 2021-04-08
ISBN 10 : 1107174090
Pages : 230 pages

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

Industrial Applications of Laser Remote Sensing
Author : Tetsuo Fukuchi,Tatsuo Shiina
Publisher : Bentham Science Publishers
Release Date : 2012
ISBN 10 : 1608053407
Pages : 194 pages

This e-book is an essential review of land-based laser sensing methods, such as differential absorption, Raman scattering, laser-induced fluorescence, Doppler effect methods, laser-induced breakdown spectroscopy, and laser ultrasonics, and their respective application to specific industrial needs, such as natural gas leak detection, hydrogen gas leak detection, pollutant detection, wind profiling for windmill sites, minor constituent monitoring and concrete structure health monitoring. Readers will gain an updated overview of laser remote sensing techniques and their applications to the industrial environment.

An Introduction to Laser Spectroscopy
Author : David L. Andrews,Andrey A. Demidov
Publisher : Springer Science & Business Media
Release Date : 2012-12-06
ISBN 10 : 1461507278
Pages : 375 pages

In the new edition the editors have preserved the basic concept and structure, with the involvement of some new authors - all recognized experts in laser spectroscopy. Each chapter addresses a different technique, providing a review and analysis of the current status, and reporting some of the latest achievements. With the key formulas and methods detailed in many sections, this text represents a practicable handbook of its subject. It will be a valuable tool both for specialists to keep abreast of developments and for newcomers to the field needing an accessible introduction to specific methods of laser spectroscopy - and also as a resource for primary references.

Laser Spectroscopy VIII
Author : Willy Persson,Sune Svanberg
Publisher : Springer
Release Date : 2013-11-11
ISBN 10 : 3540479732
Pages : 479 pages

The Eighth International Conference on Laser Spectroscopy (EICOLS '87) was held at the Sunwing Hotel in, Sweden, June 22-26; 1987. Fol lowing the traditions ef its predecessors at Vail, Megeve, Jackson Lake, Rottach-Egern, Jasper Park, Interlaken and Maui the intent of EICOLS '87 was to provide a forum for active scientists to meet in an informal at mosphere to discuss recent developments in laser spectroscopy. The scenic and remote location of the conference venue greatly stimulated a lively and relaxed exchange of information and ideas. The conference was attended by 227 scientists from 20 countries includ ing Australia, Austria, Canada, the People's Republic of China, Denmark, Finland, France, the Federal Repulic of Germany, Israel, Italy, Japan, The Netherlands, New Zealand, Norway, Poland, the Soviet Union, Sweden, Switzerland, the United Kingdom and the United States. The scientific program included 14 topical sessions with 50 invited talks, ranging in length from 20 to 40 minutes. About 70 additional in vited contributions were presented in two evening poster sessions. A third evening session included 4 oral and 18 poster post-deadline presentations.

Infrared Spectroscopy
Author : Marwa El-Azazy
Publisher : BoD – Books on Demand
Release Date : 2019-03-06
ISBN 10 : 1789849683
Pages : 178 pages

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.

Laser-Based Optical Detection of Explosives
Author : Paul M. Pellegrino,Ellen L. Holthoff,Mikella E. Farrell
Publisher : CRC Press
Release Date : 2018-09-03
ISBN 10 : 1351831178
Pages : 409 pages

Laser-Based Optical Detection of Explosives offers a comprehensive review of past, present, and emerging laser-based methods for the detection of a variety of explosives. This book: Considers laser propagation safety and explains standard test material preparation for standoff optical-based detection system evaluation Explores explosives detection using deep ultraviolet native fluorescence, Raman spectroscopy, laser-induced breakdown spectroscopy, reflectometry, and hyperspectral imaging Examines photodissociation followed by laser-induced fluorescence, photothermal methods, cavity-enhanced absorption spectrometry, and short-pulse laser-based techniques Describes the detection and recognition of explosives using terahertz-frequency spectroscopic techniques Each chapter is authored by a leading expert on the respective technology, and is structured to supply historical perspective, address current advantages and challenges, and discuss novel research and applications. Readers are left with an in-depth understanding and appreciation of each technology’s capabilities and potential for standoff hazard detection.