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IEEE Journal of Quantum Electronics

Issue 4 • Date April 1973

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

    Publication Year: 1973, Page(s): 0
    Request permission for commercial reuse | PDF file iconPDF (353 KB)
    Freely Available from IEEE
  • An analysis of pulsation in coupled-cavity structure semiconductor lasers

    Publication Year: 1973, Page(s):449 - 458
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2725 KB)

    Pulsation in a coupled-cavity structure (CCS) semiconductor laser, in which laser cavities are placed parallel with optical coupling between them, has been observed. The mechanism is simulated by solving rate equations for a model with two stripes of different emission energies. The pulsation in the simulation is based on the resonant oscillation, which originates in the nonlinear interaction betw... View full abstract»

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  • A high-repetition-rate chemical HF laser

    Publication Year: 1973, Page(s):496 - 497
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (652 KB)

    An HF chemical laser with a 10-cm-long active volume has been constructed for operation at high pulse repetition rates using TE excitation. Up to 7.2 W of quasi-CW power were produced at 1100 Hz. Powers as high as 160 mW were obtained on a single transition when the cavity was line tuned. The effect of sequential or cascade lasing was observed. View full abstract»

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  • A simple high-power pulsed nitrogen laser

    Publication Year: 1973, Page(s):499 - 500
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (629 KB)

    An output of 500 kW peak power at 3371 Å and 25 pps is obtained from a pulsed nitrogen laser. A water capacitor is employed for energy storage, resulting in a simpler laser construction. The pulse duration is 10-15 ns, providing very high energy for pumping ultra-narrow-band dye lasers. View full abstract»

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  • [Back cover]

    Publication Year: 1973, Page(s): 0
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    Freely Available from IEEE
  • Improved performance of an electrically initiated HF laser

    Publication Year: 1973, Page(s):491 - 493
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1064 KB)

    Some methods for improving the efficiency of electrically initiated HF lasers are discussed. Measurement of the laser pulse shape produced by 30-ns discharges in SF6:C2H6at several mixtures and pressures is reported. These pulse shapes are compared to the laser and current pulses produced by a two-stage Marx bank that gives laser pulses of 1.4 J with 3.1-percent el... View full abstract»

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  • The dissociation of molecules by intense infrared radiation

    Publication Year: 1973, Page(s):435 - 444
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2816 KB)

    The multiphoton dissociation probability of heteronuclear diatomic molecules by intense infrared radiation is calculated under the assumption that the energy level spacing of the molecule is nearly regular. The values found are in reasonable agreement with experimental dissociation thresholds. The extension of the theory to homonuclear diatomic and polyatomic molecules is discussed. View full abstract»

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  • Performance characteristics of a TEA double-discharge grid amplifier

    Publication Year: 1973, Page(s):459 - 468
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2904 KB)

    A novel discharge circuit for the pulsed excitation of a double-discharge grid-cathode TEA-CO2amplifier is described. A distinctive feature of this circuit is the use of an underdamped preionizing discharge, together with a slow rate of electrical energy injection in the amplifying medium. Significant improvements in the stability and uniformity of the discharge is obtained by increasin... View full abstract»

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  • Influence of saturable-absorber transmission and optical pumping on the reproducibility of passive mode locking

    Publication Year: 1973, Page(s):445 - 449
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1384 KB)

    Following the Letokhov model for passive mode locking, which describes the buildup of ultrashort light pulses from noise, the statistical behavior of passive mode locking and the discrimination characteristics of the nonlinear absorber are examined. The probability W of having a second ultrashort pulse of a certain intensity within the resonator round-trip ti... View full abstract»

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  • Optical third-harmonic generation in alkali metal vapors

    Publication Year: 1973, Page(s):470 - 484
    Cited by:  Papers (237)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4256 KB)

    This paper considers third-harmonic generation in phase-matched mixtures of alkali metal vapors and inert gases. Calculations show that the combination of near-resonant nonlinear susceptibilities, the ability to phase match, and the relatively high UV transparency of these vapors should allow high conversion efficiency for picosecond laser pulses with a peak power of 108-109W... View full abstract»

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  • Gain and saturation intensity measurements in a waveguide CO2laser

    Publication Year: 1973, Page(s):489 - 491
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (952 KB)

    The small-signal gain and saturation intensity in a waveguide CO2laser are determined by means of a least squares curve-fitting technique. The method allows the simultaneous estimation of the two parameters from an arbitrary number of data points relating power output to the incidence angle of an internal coupling plate. View full abstract»

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  • Properties of a radial mode CO2laser

    Publication Year: 1973, Page(s):484 - 488
    Cited by:  Papers (9)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1472 KB)

    The properties of a new class of lasers are investigated theoretically and experimentally. In these lasers, the radiation propagates radially within a disk-shaped amplifying medium resulting in high fields and symmetric illumination at the resonator axis. Experiments have been conducted using a pulsed CO2TEA configuration. View full abstract»

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  • High-average-power Q-switched liquid laser

    Publication Year: 1973, Page(s):493 - 496
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1160 KB)

    This correspondence describes the design and performance of a high-average-power longitudinal-flow Nd:POCl3liquid laser. In the long-pulse-mode of operation, 12-J pulses at 1.45-percent efficiency were obtained. At 30 pps, the laser produced 336 W of average power. Single 3-J pulses, 50 ns wide, were obtained at a repetition rate of 5 pps when the laser was ... View full abstract»

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  • Nonlinear optical susceptibility of AgI

    Publication Year: 1973, Page(s):468 - 470
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1008 KB)

    We have measured the magnitude and absolute sign of the nonlinear optical coefficient in AgI to determine the importance of the d - electron contributions to the nonlinearity. The results d_{31} = +20.6 \times 10^{-9} ESU and d_{33} = -41.1 \times 10^{-9} ESU are in good agreement wi... View full abstract»

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  • Internally frequency-modulated gas laser

    Publication Year: 1973, Page(s):497 - 498
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    An analysis of single-mode internally frequency-modulated gas laser oscillation is presented. The modulation is achieved by variation of the index of refraction of the medium within the cavity. The analytical treatment follows the Lamb formalism. It is shown that modulation bandwidth is not limited by the cavity bandwidth. Limitations by other factors (e.g., linewidth of the active medium) are not... 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
Aaron R. Hawkins
Brigham Young University