Development of Coherent Detector Technologies for Sub-Millimetre Wave Astronomy Observations PDF Download
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Author: Boon Kok Tan
Publisher: Springer
ISBN: 3319193635
Category : Science
Languages : en
Pages : 235
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Book Description
The thesis describes the development of receiver technologies for sub-millimetre astronomy instruments, focusing on high performance coherent cryogenic detectors operating close to the superconductor gap frequency. The mixer chip which comprises the SIS devices, fed by a unilateral finline and matching planar circuits was fabricated on 15 micron silicon substrate using the recently developed Silicon-On-Insulator (SOI) technology. This offered broadband IF and RF performance, with fully integrated on-chip planar circuits resulting in an easily reproducible mixer chip and a simple mixer block. An important consequence of this design is that it can be extended to the supra-THz region and making the fabrication of multi-pixel heterodyne arrays feasible. The extension of the operation of major telescopes such as ALMA, APEX and the GLT from single pixel to large format arrays is the subject of extensive research at present time since it will allow fast mapping combined with high resolution of the submillimetre sky. The technology described in this thesis makes a major contribution to this effort.
Author: Boon Kok Tan
Publisher: Springer
ISBN: 3319193635
Category : Science
Languages : en
Pages : 235
Get Book Here
Book Description
The thesis describes the development of receiver technologies for sub-millimetre astronomy instruments, focusing on high performance coherent cryogenic detectors operating close to the superconductor gap frequency. The mixer chip which comprises the SIS devices, fed by a unilateral finline and matching planar circuits was fabricated on 15 micron silicon substrate using the recently developed Silicon-On-Insulator (SOI) technology. This offered broadband IF and RF performance, with fully integrated on-chip planar circuits resulting in an easily reproducible mixer chip and a simple mixer block. An important consequence of this design is that it can be extended to the supra-THz region and making the fabrication of multi-pixel heterodyne arrays feasible. The extension of the operation of major telescopes such as ALMA, APEX and the GLT from single pixel to large format arrays is the subject of extensive research at present time since it will allow fast mapping combined with high resolution of the submillimetre sky. The technology described in this thesis makes a major contribution to this effort.
Author: Pierre Encrenaz
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 506
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Book Description
The proceedings of the Winter Workshop held at Les Houches, France, March 1990, describe the present state of technology at millimeter and submillimeter wavelength both on the ground and in space. Emphasis is given to new developments in critical areas (mixers, superconductors, local oscillators, back-ends), and applications of these technologies t
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 652
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Book Description
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Category :
Languages : en
Pages : 580
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Book Description
Author: George H. Rieke
Publisher: Cambridge University Press
ISBN: 1009038702
Category : Science
Languages : en
Pages : 381
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Book Description
The invention and development of advanced methods to detect light underlies much of modern technology. This fully updated and restructured third edition is unique amongst the literature, providing a comprehensive, uniform discussion of a broad range of detection approaches. The material is accessible to a broad range of readers rather than just highly trained specialists, beginning with first principles and developing the relevant physics as it goes. The book emphasizes physical understanding of detector operation, without being a catalog of current examples. It is self-contained but also provides a bridge to more specialized works on specific approaches; each chapter points readers toward the relevant literature. This will provide a broad and lasting understanding of the methods for detecting light that underpin so much of our technology. The book is suitable for advanced undergraduate and graduate students, and will provide a valuable reference for professionals across physics and engineering disciplines.
Author:
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Category : Electrical engineering
Languages : en
Pages : 980
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Book Description
Author:
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Category : Aeronautics
Languages : en
Pages : 136
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Book Description
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Category : Power resources
Languages : en
Pages : 358
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Book Description
Author: Antoni Rogalski
Publisher: CRC Press
ISBN: 1351984764
Category : Technology & Engineering
Languages : en
Pages : 1067
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Book Description
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.
Author: Ian S. McLean
Publisher: Springer Science & Business Media
ISBN: 3540765824
Category : Science
Languages : en
Pages : 576
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Book Description
The second edition of Electronic Imaging in Astronomy: Detectors and Instrumentation describes the remarkable developments that have taken place in astronomical detectors and instrumentation in recent years – from the invention of the charge-coupled device (CCD) in 1970 to the current era of very large telescopes, such as the Keck 10-meter telescopes in Hawaii with their laser guide-star adaptive optics which rival the image quality of the Hubble Space Telescope. Authored by one of the world’s foremost experts on the design and development of electronic imaging systems for astronomy, this book has been written on several levels to appeal to a broad readership. Mathematical expositions are designed to encourage a wider audience, especially among the growing community of amateur astronomers with small telescopes with CCD cameras. The book can be used at the college level for an introductory course on modern astronomical detectors and instruments, and as a supplement for a practical or laboratory class.
