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Author : Carolyn Sally Rossington
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (7 download)
Download or read book Germanium Blocked Impurity Band Far Infrared Detectors written by Carolyn Sally Rossington and published by . This book was released on 1988 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Germanium Blocked Impurity Band Far Infrared Detectors written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The infrared portion of the electromagnetic spectrum has been of interest to scientist since the eighteenth century when Sir William Herschel discovered the infrared as he measured temperatures in the sun's spectrum and found that there was energy beyond the red. In the late nineteenth century, Thomas Edison established himself as the first infrared astronomer to look beyond the solar system when he observed the star Arcturus in the infrared. Significant advances in infrared technology and physics, long since Edison's time, have resulted in many scientific developments, such as the Infrared Astronomy Satellite (IRAS) which was launched in 1983, semiconductor infrared detectors for materials characterization, military equipment such as night-vision goggles and infrared surveillance equipment. It is now planned that cooled semiconductor infrared detectors will play a major role in the ''Star Wars'' nuclear defense scheme proposed by the Reagan administration.
Author : Christopher Sean Olsen
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (34 download)
Download or read book Advanced Far Infrared Blocked Impurity Band Detectors Based on Germanium Liquid Phase Epitaxy written by Christopher Sean Olsen and published by . This book was released on 1998 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Supriya Goyal
Publisher :
ISBN 13 : 9780542824456
Total Pages : 344 pages
Book Rating : 4.8/5 (244 download)
Download or read book Germanium Far Infrared Blocked Impurity Band Detectors written by Supriya Goyal and published by . This book was released on 2006 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several important issues in the fabrication and performance of Ge Blocked Impurity Band (BIB) devices based on Liquid Phase Epitaxy (LPE) grown Ge films and on ion implantation have been studied and are presented in this thesis.
Author : Jordana Bandaru
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (34 download)
Download or read book Liquid Phase Epitaxial Growth and Characterization of Germanium Far Infrared Blocked Impurity Band Detectors written by Jordana Bandaru and published by . This book was released on 2001 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Melanie Paula Lutz
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (33 download)
Download or read book Development of Ultra Pure Germanium Epi Layers for Blocked Impurity Band Far Infrared Detectors written by Melanie Paula Lutz and published by . This book was released on 1991 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Liquid Phase Epitaxial Growth and Characterization of Germanium Far Infrared Blocked Impurity Band Detectors written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Germanium Blocked Impurity Band (BIB) detectors require a high purity blocking layer (
Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (684 download)
Download or read book Advanced Far Infrared Blocked Impurity Band Detectors Based on Germanium Liquid Phase Epitaxy written by and published by . This book was released on 1998 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research has shown that epilayers with residual impurity concentrations of 5 x 1013 cm−3 can be grown by producing the purest Pb available in the world. These epilayers have extremely low minority acceptor concentrations, which is ideal for fabrication of IR absorbing layers. The Pb LPE growth of Ge also has the advantageous property of gettering Cu from the epilayer and the substrate. Epilayers have been grown with intentional Sb doping for IR absorption on lightly doped substrates. This research has proven that properly working Ge BIB detectors can be fabricated from the liquid phase as long as pure enough solvents are available. The detectors have responded at proper wavelengths when reversed biased even though the response did not quite reach minimum wavenumbers. Optimization of the Sb doping concentration should further decrease the photoionization energy of these detectors. Ge BIB detectors have been fabricated that respond to 60 cm−1 with low responsivity. Through reduction of the minority residual impurities, detector performance has reached responsivities of 1 A/W. These detectors have exhibited quantum efficiency and NEP values that rival conventional photoconductors and are expected to provide a much more sensitive tool for new scientific discoveries in a number of fields, including solid state studies, astronomy, and cosmology.
Author : In-Chin Wu
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (27 download)
Download or read book Far-infrared Germanium Photodetectors by Ion Implantation written by In-Chin Wu and published by . This book was released on 1993 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Rogalski
Publisher : CRC Press
ISBN 13 : 1420076728
Total Pages : 900 pages
Book Rating : 4.4/5 (2 download)
Download or read book Infrared Detectors written by Antonio Rogalski and published by CRC Press. This book was released on 2010-11-15 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely revised and reorganized while retaining the approachable style of the first edition, Infrared Detectors, Second Edition addresses the latest developments in the science and technology of infrared (IR) detection. Antoni Rogalski, an internationally recognized pioneer in the field, covers the comprehensive range of subjects necessary to un
Author : Fedir F. Sizov
Publisher : Materials Research Forum LLC
ISBN 13 : 1644900750
Total Pages : 330 pages
Book Rating : 4.6/5 (449 download)
Download or read book Detectors and Sources for THz and IR written by Fedir F. Sizov and published by Materials Research Forum LLC. This book was released on 2020-05-05 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: IR and THz technologies are widely used in security screening and surveillance, astronomy, spectroscopy, biomedicine, food and package inspection, detection of concealed weapons, vision through camouflage, etc. There are increasing demands for the fast transmission of large amounts of data. THz radiation penetrates dielectric materials like plastics, ceramics or cardboard allowing contact-free testing. Medical imaging technologies can provide guidance for surgeons in delimiting the margins of tumors, help clinicians to visualize diseased areas, etc. Keywords: THz and IR Detectors, THz and IR Sources, Superconducting Photon Detectors, Superconducting THz Detectors, Graphene-based Detectors, THz Sensors with Metamaterials, Photoconductive Antenna Detectors, Imaging, Communication, Spectroscopy, Sensing, Security Screening, Surveillance, Astronomy, Biomedicine, Food Inspection, Package Inspection, Concealed Weapons Detection, Transmission of Large Amounts of Data, Non-destructive Testing, Contact-free Testing, Medical Imaging Technologies.
Author : Antoni Rogalski
Publisher : CRC Press
ISBN 13 : 1351984764
Total Pages : 1044 pages
Book Rating : 4.3/5 (519 download)
Download or read book Infrared and Terahertz Detectors, Third Edition written by Antoni Rogalski and published by CRC Press. This book was released on 2019-01-10 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of Infrared and Terahertz Detectors provides a comprehensive overview of infrared and terahertz detector technology, from fundamental science to materials and fabrication techniques. It contains a complete overhaul of the contents including several new chapters and a new section on terahertz detectors and systems. It includes a new tutorial introduction to technical aspects that are fundamental for basic understanding. The other dedicated sections focus on thermal detectors, photon detectors, and focal plane arrays.
Download or read book Ion Implanted Ge written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ge Blocked Impurity Band (BIB) photoconductors have the potential to replace stressed Ge:Ga photoconductors for far-infrared astronomical observations. A novel planar BIB device has been fabricated in which ion-implanted boron is used to form the blocking and absorbing layers of necessary purity and compensation. The effect of doping in the infrared active layer on the far-infrared photoconductive response has been studied, and the optimum doping concentration is found to be (almost equal to) 4 x 1016 cm−3. Devices doped near this concentration show good blocking characteristics with low dark currents. The spectral response extends to (almost equal to) 45 cm−1, clearly showing the formation of an impurity band. Under low background testing conditions these devices attain a responsivity of 0.12 A/W and NEP of 5.23 x 10−15 W/Hz−12.
Author : John David Vincent
Publisher : John Wiley & Sons
ISBN 13 : 1119011884
Total Pages : 584 pages
Book Rating : 4.1/5 (19 download)
Download or read book Fundamentals of Infrared and Visible Detector Operation and Testing written by John David Vincent and published by John Wiley & Sons. This book was released on 2015-10-26 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a comprehensive introduction to the selection,operation, and testing of infrared devices, including adescription of modern detector assemblies and theiroperation This book discusses how to use and test infrared and visibledetectors. The book provides a convenient reference for thoseentering the field of IR detector design, test or use, those whowork in the peripheral areas, and those who teach and train othersin the field. Chapter 1 contains introductory material. Radiometry is coveredin Chapter 2. The author examines Thermal detectors in Chapter 3;the “Classical” photon detectors – simplephotoconductors and photovoltaics in Chapter 4; and “ModernPhoton Detectors” in Chapter 5. Chapters 6 through 8consider respectively individual elements and small arrays ofelements the “readouts” (ROICs) used with large imagingarrays; and Electronics for FPA Operation and Testing. The Test Setand The Testing Process are analyzed in Chapters 9 and 10, withemphasis on uncertainty and trouble shooting. Chapters 11 through15 discuss related skills, such as Uncertainty, Cryogenics, Vacuum,Optics, and the use of Fourier Transforms in the detector business.Some highlights of this new edition are that it Discusses radiometric nomenclature and calculations, detectormechanisms, the associated electronics, how these devices aretested, and real-life effects and problems Examines new tools in Infrared detector operations,specifically: selection and use of ROICs, electronics for FPAoperation, operation of single element and very small FPAs,microbolometers, and multi-color FPAs Contains five chapters with frequently sought-after informationon related subjects, such as uncertainty, optics, cryogenics,vacuum, and the use of Fourier mathematics for detectoranalyses Fundamentals of Infrared and Visible Detector Operation andTesting, Second Edition, provides the background and vocabularynecessary to help readers understand the selection, operation, andtesting of modern infrared devices.
Author : S.J. Bell Burnell
Publisher : Springer Science & Business Media
ISBN 13 : 9401126801
Total Pages : 274 pages
Book Rating : 4.4/5 (11 download)
Download or read book Next Generation Infrared Space Observatory written by S.J. Bell Burnell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Infrared astronomy has undergone an enormous revolution during the last decade. Despite the great technical difficulties of building detectors in a cryogenic environment, the scientific advances in infrared astronomy have been astounding. In the near future many more advances can be expected from still newer developments in telescope and detector designs. High quality detector arrays and passively cooled telescopes are very promising techniques for achieving considerably larger apertures. This volume contains the refereed papers from the workshop on 'Next Generation Infrared Observatory', dealing with all new aspects of future infrared telescopes.
Author :
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
