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Proceedings of the IEEE

Issue 6 • June 1982

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Displaying Results 1 - 24 of 24
  • [Front cover and table of contents]

    Publication Year: 1982, Page(s): c1
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  • Scanning the issue

    Publication Year: 1982, Page(s):531 - 532
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  • Material processing—An overview

    Publication Year: 1982, Page(s):533 - 544
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1776 KB)

    Laser researchers in the early 1960's found that a ruby laser could easily melt and vaporize small amounts of metal. Many investigations have since been performed to determine the effects of high-power laser radiation on absorbing surfaces. By the late 1960's lasers had become practical production tools. In the early 1970's, advances in the power of CO2lasers led to deep penetration las... View full abstract»

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  • Micro-materials processing

    Publication Year: 1982, Page(s):545 - 555
    Cited by:  Papers (1)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3415 KB)

    In the years since its discovery and early development in the 1960's, the laser has found increasing acceptance as a production tool. Its unique features, Which allow for the rapid delivery of precisely controlled amounts of energy with high spatial accuracy to a work surface, have made it the instrument of choice over competing technologies for many applications. In some instances, "doing it" by ... View full abstract»

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  • Macro-materials processing

    Publication Year: 1982, Page(s):556 - 565
    Cited by:  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3340 KB)

    Laser macro-materials processing is currently undergoing intense development. Lasers have already offered new processing capabilities, and have gained an important rank as industrials machine tools. This paper outlines the basic methods employed in laser macro-machining, discusses the controlling beam-interaction parameters, and relates progress gained in formulating a better understanding of the ... View full abstract»

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  • Applications of lasers to chemical processing

    Publication Year: 1982, Page(s):565 - 578
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1574 KB)

    Some of the important underlying scientific aspects of photochemical and photothermal processes are reviewed. The discussion concentrates on those areas of laser chemistry which offer a considerable potential for commercial applicaion and examples are selected which illustrate this. Thus this paper is not a comprehensive review of current research in laser chemistry. Specific subjects treated incl... View full abstract»

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  • Surgical applications of lasers

    Publication Year: 1982, Page(s):579 - 588
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6278 KB)

    Because of an ability to coagulate, ablate, or vaporize tissue, argon, CO2, and Nd:YAG lasers have been employed extensively in surgery. The capability of transmitting argon and neodymium YAG energy through a flexible fiber which may be inserted in a fiberoptic instrument allows the application of the laser in a number of anatomic areas without the need for an incision. Extensive applic... View full abstract»

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  • Optical recording: High-density information storage and retrieval

    Publication Year: 1982, Page(s):589 - 597
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2149 KB)

    Optical recording systems capable of information storage and retrieval, using a highly focused laser beam as the recording and playback source, have been developed to a point where product introduction in the 1983-1985 time frame is highly probable. The product protentials range from low-data-rate (10-20 Mbits/s), single disk (1010to 1011bits), random-access electronic office... View full abstract»

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  • Laser scanning for electronic printing

    Publication Year: 1982, Page(s):597 - 618
    Cited by:  Papers (4)  |  Patents (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4425 KB)

    The use of laser scanning techniques for acquisition and printing of images is reviewed with primary emphasis on the printing application. Following an introduction to the basic configuration of laser scanners and to the terminology of this field, some of the principal characteristics of these scanners are summarized. A short overview is given of the key components of scanners, i.e., lasers, modul... View full abstract»

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  • Applications of lasers to production metrology, control, and machine "Vision"

    Publication Year: 1982, Page(s):618 - 626
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4354 KB)

    In the last few years, the laser has begun to have wide use in industrial metrology and related applications, particularly in the areas of gauging, inspection, marking, machine control, and engineering measurements. This paper discusses these areas and the technologies employed. Without question, a substantial increase in this area of laser application is expected, as the "automatic factory" comes... View full abstract»

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  • Control of fiber manufacturing processes

    Publication Year: 1982, Page(s):626 - 634
    Cited by:  Papers (1)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (687 KB)

    A review of applications of lasers to measurement and control of optical fiber fabrication processes is given. The unique laser properties of high intensity and good coherence permit accurate measurement and control functions to be performed. Both preform and fiber drawing processes are discussed with the major emphasis being in the drawing operation where the applications are more mature. View full abstract»

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  • Laser applications in construction, agriculture, and surveying

    Publication Year: 1982, Page(s):635 - 640
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2778 KB)

    Laser instruments solve many measurement problems in construction, agriculture, and surveying. This paper reviews the most common application in these fields. Concise descriptions of the several types of laser instruments are also included. Laser applications have been successful primarily due to improvements in productivity. Depending upon the application, these improvements include savings in ti... View full abstract»

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  • Laser scanning microscopy

    Publication Year: 1982, Page(s):641 - 651
    Cited by:  Papers (2)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1859 KB)

    In conventional light microscopy, images are formed either by direct imaging of the object at a desired magnification or by imaging the object onto a remote surface and converting the illuminance at that surface to an electrical signal. In laser scanning microscopy, the object or specimen surface is scanned point by point by a focused laser beam. The actual image or other pertinent characteristic ... View full abstract»

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  • Laser Doppler velocimetry: A status report

    Publication Year: 1982, Page(s):652 - 658
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (782 KB)

    Since the first experimental work in 1964, the measurement of velocity by means of the Doppler shift in scattered laser light has developed into an important tool in fluid mechanics research which often provides data unobtainable with other instruments. This paper reviews the fundamentals of laser Doppler velocimeter system design including optical requirements and signal processing considerations... View full abstract»

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  • Laser diagnostics of flames, combustion products, and sprays

    Publication Year: 1982, Page(s):658 - 677
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2444 KB)

    Recently, numerous laser-based diagnostic methods have been developed to probe sprays and combustion processes. These diagnostic probes encompass spontaneous Raman spectroscopy, coherent Raman spectroscopy, laser fluorescence and absorption for temperature and species concentration measurements; laser Doppler velocimetry for fluid flow measurements; and particle sizing and vapor concentration in s... View full abstract»

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  • Radiation of millimeter waves from a grooved ferrite image line

    Publication Year: 1982, Page(s):682 - 683
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (245 KB)

    Radiation of millimeter waves from a grooved ferrite image line is investigated. The beam angle is found to shift 20° with the bias magnetic field up to 0.8 Wb/m2in the frequency region near 40 GHz, and nonreciprocal behavior of the beam angle is also confirmed. View full abstract»

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  • Acoustic time-domain reflectometer used as a short-range fiber-optic fault locator

    Publication Year: 1982, Page(s):683 - 684
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    Difficulties arise in detecting a fault in an optical fiber, when an optical time-domain reflectometer is used for fiber with a tilted surface fracture. The difficulty arises from the fact that the optical reflection coefficient becomes too small to be detected. As an alternate means, an acoustic time-domain reflectometer was attempted. Some experimental results are presented. View full abstract»

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  • Data adaptive signal estimation by singular value decomposition of a data matrix

    Publication Year: 1982, Page(s):684 - 685
    Cited by:  Papers (113)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (225 KB)

    A new method is presented for estimating the signal component of a noisy record of data. Only a little prior information about the signal is assumed. Specifically, the approximate value of rank of a matrix which is formed from the samples of the signal is assumed to be known or obtainable from singular value decomposition (SVD). View full abstract»

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  • Modern power system analysis

    Publication Year: 1982, Page(s):686 - 687
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  • Handbook of microcircuit design and application

    Publication Year: 1982, Page(s): 686
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  • Spoken language generation and understanding

    Publication Year: 1982, Page(s): 687
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  • Electromagnetic theory of gratings

    Publication Year: 1982, Page(s): 687
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  • Book alert

    Publication Year: 1982, Page(s): 688
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  • [Back cover]

    Publication Year: 1982, Page(s): c4
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Aims & Scope

The most highly-cited general interest journal in electrical engineering and computer science, the Proceedings is the best way to stay informed on an exemplary range of topics.

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Meet Our Editors

Editor-in-Chief
H. Joel Trussell
North Carolina State University