Optical Frequency Modulated Continuous Wave Fmcw
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| Author | : Jesse Zheng |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 259 |
| Release | : 2005-01-04 |
| Genre | : Science |
| ISBN | : 0387230092 |
This book introduces the optical frequency-modulated continuous-wave (FMCW) interferometry - a new field of optics that is derived from radar. The study of optical FMCW interference not only updates our knowledge about the nature of light, but also creates an advanced technology for precision measurements. The principles, applications and signal processing of optical FMCW interference are systematically discussed. This book is intended for scientists and engineers in both academia and industry. It is especially suited to professionals who are working in the field of measurement instruments.
| Author | : |
| Publisher | : |
| Total Pages | : 51 |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
| Author | : Ajit Jha |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2016 |
| Genre | : |
| ISBN | : |
| Author | : Olivério D.D. Soares |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 852 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401100357 |
Fibre Optics has gained prominence in: telecommunications, data transmission and distribution, cable television networks, sensing and control, light probing and instrumentation. The 1990's shows an increased expansion of optical fibre networks which respond to the rapid growth on a world scale of long distance trunk lines combined with a family of emerging optical based services in which fibre-to-the-home will have the greatest impact. There is already evidence that optical communications are moving toward higher bit-rates, wavelength transparency and irrelevance of signal formats. The rate of change in fibre optics and the emergence of new services will be a mere consequence of economics. The actual increasing of cost and the demand for high-date-rates or large bandwidth per transmission channels, and the lack of available space in the congested conduits in urban areas, strongly favour the technological change to fibre optics. The recognised advantages of fibre optic technologies and the unchallenged potential to respond to future needs requires the inclusion of fibre optics networking into new installations. Concomitantly, current progress in the field of optical fibres (optical fibre amplifiers, optical fibre switching, WDM, fibre gratings, etc.) unfold major technical advances and greater flexibility in the designs and engineering of networks, optical fibre components and instrumentation. The explosion of growth in fibre sensors, fibre probes and the myriad of fibre based components shows that we are only using a fraction of optical fibre potential.
| Author | : L.S. Grattan |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 512 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 940111210X |
Optical Fiber Sensor Technology covers both the principles and applications of this technology. Drawing upon leading international experts for authoritative chapters reflecting the present state-of-the-art, the book contains essential tutorial material on the fundamentals of optics and optical fibres, reviews of the underlying technology and present and potential future applications. Extensively illustrated and carefully referenced, this volume will prove an invaluable source for researchers, engineers and advanced students from the fields of optoelectronics/optics and/or measurement and sensors.
| Author | : Ana Baselga Mateo |
| Publisher | : |
| Total Pages | : 238 |
| Release | : 2014 |
| Genre | : Continuous wave radar |
| ISBN | : |
The high resolution frequency modulated continuous wave (FMCW) laser and detection ranging (LADAR) system developed by Spectrum Lab and Bridger Photonics Inc. could be potentially used for volume metrology purposes. However, comparisons with other length metrology methods would help to determine its actual precision and accuracy. An ultra-low phase noise and narrow bandwidth laser centered at 1536nm is used to build a displacement tracking interferometer for comparisons. Lock-in detection based on phase modulation is used to reduce sensitivity to amplitude noise. The data is processed to obtain an accurate displacement measurement with a novel fringe counting technique that provides resolution higher than lambda/4. After calibrating and figuring out the stability of the FMCW LADAR, its ranging capability is determined by comparison with these results along different wavelength regions. Furthermore, we propose a combination of the trilateration techniques with the FMCW LADAR system for accurate 2D metrology. This idea is developed from design to implementation stages. Surface profiles of non-cooperative diffuse targets using lasers sources with different optical bandwidths are presented. A photon budget and an error analysis of the experimental results are also included.
| Author | : Jinyang Liang |
| Publisher | : Springer Nature |
| Total Pages | : 697 |
| Release | : |
| Genre | : |
| ISBN | : 3031390628 |
| Author | : Rongqing Hui |
| Publisher | : Academic Press |
| Total Pages | : 846 |
| Release | : 2022-11-18 |
| Genre | : Technology & Engineering |
| ISBN | : 0323915531 |
Fiber Optic Measurement Techniques is an indispensable collection of key optical measurement techniques essential for developing and characterizing today’s photonic devices and fiber optic systems. The book gives comprehensive and systematic descriptions of various fiber optic measurement methods with the emphasis on the understanding of optoelectronic signal processing methodologies, helping the reader to weigh up the pros and cons of each technique and establish their suitability for the task at hand. Carefully balancing descriptions of principle, operations and optoelectronic circuit implementation, this indispensable resource will enable the engineer to: Understand the implications of various measurement results and system performance qualifications Characterize modern optical systems and devices Select optical devices and subsystems in optical network design and implementation Design innovative instrumentations for fiber optic systems The 2nd edition of this successful reference has been extensively updated (with 150 new pages) to reflect the advances in the field since publication in 2008 and includes: A new chapter on fiber-based optical sensors and spectroscopy techniques A new chapter on measurement uncertainty and error analysis Fiber Optic Measurement Techniques brings together in one volume the fundamental principles with the latest techniques, making it a complete resource for the optical and communications engineer developing future optical devices and fiber optic systems. The only book to combine explanations of the basic principles with latest techniques to enable the engineer to develop photonic systems of the future Careful and systematic presentation of measurement methods to help engineers to choose the most appropriate for their application The latest methods covered, such as real-time optical monitoring and phase coded systems and subsystems, making this the most up-to-date guide to fiber optic measurement
| Author | : George Stewart |
| Publisher | : Cambridge University Press |
| Total Pages | : 276 |
| Release | : 2021-04-08 |
| Genre | : Technology & Engineering |
| ISBN | : 131680562X |
An invaluable text for the teaching, design, and development of gas sensor technology. This excellent resource synthesizes the fundamental principles of spectroscopy, laser physics, and photonics technology and engineering to enable the reader to fully understand the key issues and apply them in the design of optical gas absorption sensors. It provides a straightforward introduction to low-cost and highly versatile near-IR systems, as well as an extensive review of mid-IR systems. Fibre laser systems for spectroscopy are also examined in detail, especially the emerging technique of frequency comb spectroscopy. Featuring many examples of real-world application and performance, as well as MATLAB computer programs for modeling and simulation, this exceptional work is ideal for postgraduate students, researchers, and professional engineers seeking to gain an in-depth understanding of the principles and applications of fibre-optic and laser-based gas sensors.
| Author | : Willem Dirk van Driel |
| Publisher | : Springer |
| Total Pages | : 457 |
| Release | : 2019-06-18 |
| Genre | : Technology & Engineering |
| ISBN | : 3030165779 |
This book describes for readers various technical outcomes from the EU-project IoSense. The authors discuss sensor integration, including LEDs, dust sensors, LIDAR for automotive driving and 8 more, demonstrating their use in simulations for the design and fabrication of sensor systems. Readers will benefit from the coverage of topics such as sensor technologies for both discrete and integrated innovative sensor devices, suitable for high volume production, electrical, mechanical, security and software resources for integration of sensor system components into IoT systems and IoT-enabling systems, and IoT sensor system reliability. Describes from component to system level simulation, how to use the available simulation techniques for reaching a proper design with good performance; Explains how to use simulation techniques such as Finite Elements, Multi-body, Dynamic, stochastics and many more in the virtual design of sensor systems; Demonstrates the integration of several sensor solutions (thermal, dust, occupancy, distance, awareness and more) into large-scale system solutions in several industrial domains (Lighting, automotive, transport and more); Includes state-of-the-art simulation techniques, both multi-scale and multi-physics, for use in the electronic industry.
