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Author: R. B. Bilhorn Publisher: ISBN: Category : Languages : en Pages : 55
Book Description
This article is the first in a two part series describing the operation, characteristics and application of a new class of solid -state multichannel UV-visible detectors. In this manuscript, Charge Transfer Devices (CTDs) are described. Detector characteristics pertinent to spectroscopic application including quantum efficiency, read noise, dark count rate and available formats are emphasized. Unique capabilities such as the ability to non-destructively read out the detector array, and the ability to alter the effective detector element size by a process called binning are described. CTDs with peak quantum efficiencies over 80% and significant responsivity over the wavelength range of 0.1nm to 1100nm are discussed. Exceptionally low dark count rates which allow integration times up to many hours and read noises more than two orders of magnitude lower than commercially available PDA detectors both contribute to the outstanding performance offered by these detectors. Keywords: Spectroscopic detectors; Charge transfer devices; Charge coupled device; Charge injection device; OPtical spectroscopy.
Author: R. B. Bilhorn Publisher: ISBN: Category : Languages : en Pages : 55
Book Description
This article is the first in a two part series describing the operation, characteristics and application of a new class of solid -state multichannel UV-visible detectors. In this manuscript, Charge Transfer Devices (CTDs) are described. Detector characteristics pertinent to spectroscopic application including quantum efficiency, read noise, dark count rate and available formats are emphasized. Unique capabilities such as the ability to non-destructively read out the detector array, and the ability to alter the effective detector element size by a process called binning are described. CTDs with peak quantum efficiencies over 80% and significant responsivity over the wavelength range of 0.1nm to 1100nm are discussed. Exceptionally low dark count rates which allow integration times up to many hours and read noises more than two orders of magnitude lower than commercially available PDA detectors both contribute to the outstanding performance offered by these detectors. Keywords: Spectroscopic detectors; Charge transfer devices; Charge coupled device; Charge injection device; OPtical spectroscopy.
Author: Akbar Montaser Publisher: John Wiley & Sons ISBN: 0471188115 Category : Science Languages : en Pages : 1044
Book Description
The broadest source of information on analytical ICP spectrometry available in a coherent, single volume. Renowned contributors define theory, diagnostics, models, instrumentation and applications. They also discuss atomic emission, atomic fluorescence and mass spectrometries based on ICP sources for atomization, excitation and ionization. 'This book is HIGHLY RECOMMENDED.' Analytical Chemistry '... a handy reference for anyone attempting to understand the theory of ICPs and how they work. The detailed discussions of the various types of instrumentation and methods will be quite helpful to students and researchers in the field who want to broaden their understanding of analytical atomic spectroscopy.' Applied Spectroscopy '...Everyone involved in elemental analysis using ICP should have this book. It is useful for both experienced and novice ICP spectroscopists.' Spectroscopy
Author: Jonathan V. Sweedler Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
Recent advances in the capabilities of state-of-the-art array detectors have the potential to greatly improve analytical spectroscopy. The operational characteristics of several charge transfer device (CTD) detectors investigated in our laboratories show them to be highly suitable for application in UV-Vis molecular spectroscopy. The electro-optical characteristics of these devices including dynamic range, quantum efficiency, noise, resistance to blooming and lag are contrasted to photodiode arrays, vidicons, and photomultiplier tubes. With peak quantum efficiencies of 80%, read noises over two orders of magnitude lower than photodiode array detectors, and virtually no dark current, several of these CTD detectors are extremely well suited for luminescence spectroscopy. The performance of several spectroscopic systems which effectively use the various device geometries is presented. A linear concave grating spectrograph employing a 30-watt deuterium source and a CTD detector capable of extremely sensitive fluorescence measurements is described. Multichannel detectors, Molecular spectroscopy, Fluorescence detection, Luminescence detection, Charge transfer devices. (MJM).
Book Description
This completely revised second edition of the standard work has been expanded by some twenty percent to include more information on the latest developments and new apparatus. In particular, sections have been added on microplasmas and new types of spectrometers, while that on the rapidly expanding field of speciations with practical examples from life and environmental sciences have been included. Still in one handy volume, the book covers all the important modern aspects of atomic fluorescence, emission and absorption spectroscopy as well as plasma mass spectroscopy in a readily comprehensible and practice-oriented manner. A thorough explanation of the physical, theoretical and technical basics, example applications including the concrete execution of analysis and comprehensive cross-references to the latest literature allow even newcomers easy access to the methodologies described.
Author: R. Kenneth Marcus Publisher: John Wiley & Sons ISBN: 0470857862 Category : Science Languages : en Pages : 498
Book Description
This multi-author, edited volume includes chapters which deal with both basic and highly complex applications. Glow discharge devices are now being used in very novel ways for the analysis of liquids and gases, including molecular species detection and identification, an area that was beyond the perceived scope of applicability just ten years ago. It is expected that the next decade will see a growth in the interest and application of glow discharge devices far surpassing the expectations of the last century. Responding to the rapid growth in the field Includes both GD-MS and GD-AES In-depth coverage of applications Co-edited by the top names in the field in Europe and US, with high calibre contributions from around the world
Author: M. B. Denton Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
The operational characteristics of several new solid state array detectors investigated in our laboratories have shown themselves to be highly suitable for application in analytical spectroscopy. The devices investigated to date are selected charge-coupled devices (CCDs) and charge injection devices (CIDs), each of which has certain unique capabilities which can be exploited for solving a variety of spectroscopic problems. Readout speed considerations when using sequential, pseudo-random, random, binning, and rapid scanning readout modes will be discussed. Optoelectronic characteristics of these devices including dynamic range, quantum efficiency, noise, resistance to blooming and lag will be contrasted to photodiode arrays, vidicons, and photomultiplier tubes. Several optical configurations for array detector spectrometers which effectively utilize the various device geometries including the latest generation echelle configuration will be presented. Design considerations including resolution, spectral coverage, detector element size, stray light, and image reduction will be discussed. Keywords: Optical spectroscopy; Multichannel techniques; Charge transfer devices.
Author: A Javier Aller Publisher: World Scientific ISBN: 9813229780 Category : Science Languages : en Pages : 417
Book Description
This book provides the readers with the full basic knowledge necessary to understand, evaluate and develop critically any ETAAS analysis. The book covers comprehensively all aspects of the theoretical principles, routine and unusual instrumentation, overlapping possibilities with other techniques and different analytical characteristics of ETAAS at an averaged intermediate/high level. This is a good topic for a text book owing to the wide analytical possibilities of ETAAS in academic and industry laboratories. The book is written by a qualified expert with 30 years' experience working on different aspects of ETAAS.The work guides the readers through an in-depth descriptive appraisal of the chemical and physical processes occurring in an ET atomiser. The work compares favourably with other books already published on this subject as this work shows an overview with some different perspectives, focusing mainly on the processes taking place during an ETAAS analysis. An ordered, rigorous and deep description is found in every chapter. The book would be adequate for undergraduate and graduate students in any course of analytical chemistry, researchers in analytical atomic spectrometry and analysts who routinely use ETAAS. Amateurs and specialists in this field will find a good support in the book.
Author: R. B. Bilhorn
Author: R. B. Bilhorn
Author: Jonathan V. Sweedler
Author: Akbar Montaser
Author: Jonathan V. Sweedler
Author: José A. C. Broekaert
Author: R. Kenneth Marcus
Author: 
Author: M. B. Denton
Author: A Javier Aller
Author: Bernard J. McNamara