IEEE Journal of Quantum Electronics

Issue 1 • January 1970

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Displaying Results 1 - 15 of 15
  • [Front cover and table of contents]

    Publication Year: 1970, Page(s): 0
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    Freely Available from IEEE
  • 1969 IEEE Conference on laser engineering and applications - Post-deadline abstracts

    Publication Year: 1970, Page(s):2 - 8
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  • Acoustooptical pulse modulators

    Publication Year: 1970, Page(s):15 - 24
    Cited by:  Papers (75)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (911 KB)

    A theoretical analysis of acoustooptical pulse modulators is given. Calculations are carried out that yield the intensity and rise time of the scattered light. The optimum relationship between the dimensions of the optical and acoustic beam is given. A fast high-efficiency modulator has been built based on the theoretical results. The modulator is composed of a 350-MHz ZnO transducer sputtered on ... View full abstract»

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  • Injection lasers for multichannel optical communication

    Publication Year: 1970, Page(s):38 - 41
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (497 KB)

    Injection lasers are suitable sources of radiation for optical communication systems. The output characteristics of III-V compound and mixed crystal III-V compound injection lasers for0.64-1.1-muspectral range are described. In order to improve the spectral output (and to increase the threshold for the appearance of adjacent modes) composite cavities were successfully used. Such a cavit... View full abstract»

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  • Correction to "Study of the lamb dip and of rotational competition in a carbon dioxide laser"

    Publication Year: 1970, Page(s): 81
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  • Phase-coupling between modes of two 6328-Å He-Ne lasers through nonlinear gain characteristics of the inverted population Å

    Publication Year: 1970, Page(s):82 - 84
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (367 KB)

    Mode coupling can occur if the gain of a laser is modulated by a frequency near the axial-mode spacing. This modulation is produced by a second laser acting partially upon the same active medium. Mode coupling and intensity pulsations close to the frequencyc/2 [(1/L_{1}) - (1/L_{2})]were observed, in a good agreement with the theoretically calculated waveshapes. View full abstract»

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  • Subnanosecond laser pulses for plasma production

    Publication Year: 1970, Page(s):84 - 86
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (450 KB)

    A laser source suitable for plasma production is described. The technique involves the use of uncoated flats that act as mode selectors when inserted inside the laser cavity. Pulse widths of 15 to 30 and 60 to 70 ps were obtained with signal-to-noise ratios greater than 20 dB for 70 to 80 percent of the laser firings. View full abstract»

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  • Small-signal gain of a CO2laser amplifier utilizing a white optical reflector design

    Publication Year: 1970, Page(s):86 - 87
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (289 KB)

    A small-signal gain of 39 dB in a nonresonant multi-path CO2laser amplifier with a discharge length of 65 cm is reported. The multipath system employed is a modified White optical reflector design. An unsaturated gain of 39 dB was observed for signals smaller than 10-5watt. No noise component, due to the amplifier, was detected for signals as small as5 times 10^{-8} View full abstract»

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  • [Back cover]

    Publication Year: 1970, Page(s): 0
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    Freely Available from IEEE
  • Selectivity of open-ended interferometric resonators

    Publication Year: 1970, Page(s):9 - 14
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    Several different versions [1]-[3] of the open-ended Michelson-type interferometric resonator have been proposed as axial-mode selectors for wide-band lasers, primarily for the purpose of restricting laser oscillations to a single frequency. Their frequency selectivities are compared in terms of their loss discrimination against the nearest unwanted mode, by evaluating the transmission-loss fracti... View full abstract»

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  • Optical study of elastic second-harmonic generation

    Publication Year: 1970, Page(s):25 - 38
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1440 KB)

    A detailed theoretical analysis of the problem of elastic second-harmonic generation (SHG) by longitudinal ultrasonic beams of finite dimension propagating in isotroplc media or along certain pure mode axes in crystals has been made. A formulation for optical SHG by Gaussian laser beams, adapted to the ultrasonic case, has allowed calculation of the intensity profile and angular intensity distribu... View full abstract»

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  • Multiple-pass nondiffuse holographic interferometry

    Publication Year: 1970, Page(s):41 - 44
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    The sensitivity of nondiffuse double-exposure holographic interferometry can be increased for the case of transparent experimental media if the test beam of the interferometer is multiply passed through the experimental medium. This can be accomplished with fairly high spatial resolution if the experimental medium is placed within a lossy optical cavity. The cavity serves to generate a number of c... View full abstract»

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  • Transverse-mode distortions in giant-pulse laser oscillators

    Publication Year: 1970, Page(s):44 - 48
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    It is shown that high-gain giant-pulse lasers can have transverse intensity profiles differing greatly from the steady-state transverse-mode patterns. The transient effects of gain saturation may cause the intensity profile at the output mirror to change rapidly with time. This can lead to non-Gaussian output intensity profiles, short-duration intense regions ("hot spots"), and irregular time beha... View full abstract»

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  • IR image parametric up-conversion

    Publication Year: 1970, Page(s):68 - 80
    Cited by:  Papers (45)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1232 KB)

    The general considerations and principles involved with IR image up-conversion are presented and discussed. The factors that limit the resolution of the up-converted image are analyzed and the merits of three types of optical systems are discussed with regard to resolution and efficiency of up-conversion. Several characteristics of six nonlinear crystals are calculated and compared. View full abstract»

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  • Theory of two-photon measurement of laser output

    Publication Year: 1970, Page(s):49 - 67
    Cited by:  Papers (25)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1648 KB)

    Two-photon fluorescence and second-harmonic generation experiments have been used recently to study the picosecond structure of laser signals. A general theory of these measurements is presented in this work, which includes a detailed analysis of the possible responses of the measurement to a mode-locked laser that produces pulses and to a free-running laser that produces a noise-like output. Shap... View full abstract»

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Aims & Scope

The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Prof. Hon Ki Tsang
Chinese University of Hong Kong