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IEEE Journal of Quantum Electronics

Issue 12 • December 1972

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Displaying Results 1 - 18 of 18
  • [Front cover and table of contents]

    Publication Year: 1972, Page(s): 0
    Request permission for commercial reuse | PDF file iconPDF (382 KB)
    Freely Available from IEEE
  • Spin saturation and pump depletion in continuous spin-flip Raman oscillation

    Publication Year: 1972, Page(s):865 - 868
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1144 KB)

    A saturation model of stimulated Raman scattering, of general applicability, is put forward. The model is developed with reference to spin-flip electronic Raman scattering in InSb, where the number of excitations available for Raman scattering may be small by comparison with the incident photon numbers. A rate equation technique is used to evaluate the steady-state Stokes intensity and output powe... View full abstract»

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  • Submicrosecond pulses from a hydrogen-fluorine laser with high energy density and quantum efficiency

    Publication Year: 1972, Page(s):872 - 876
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1708 KB)

    Submicrosecond pulses have been obtained from a photochemical H2-F2laser with a chemical efficiency of 0.5 percent. Energy densities of 6 J l-1were obtained from 60 torr (at 213 K) of a stoichiometric H2-F2mixture stabilized with 5 mole-percent O2. Laser output energy and the reciprocal of the pulsewidth were both proportional to th... View full abstract»

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  • An experimental study of unstable confocal CO2resonators

    Publication Year: 1972, Page(s):882 - 892
    Cited by:  Papers (25)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3420 KB)

    The results of an experimental study to determine the spatial properties of unstable confocal resonator modes and their influence upon both the fractional output coupling and the far-field angular divergence are presented. The radial intensity distributions of the lowest order circulating mode within CO2unstable resonators and the corresponding near- and far-field patterns have been mea... View full abstract»

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  • Transient analysis of an electronically tunable dye laser - Part I: Simulation study

    Publication Year: 1972, Page(s):893 - 899
    Cited by:  Papers (12)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1697 KB)

    Computer simulation results of a dye laser electronically tuned by an acoustooptic filter in the laser cavity are presented. The filter employs a nonlinear anisotropic crystal in which a colinear acoustic beam diffracts the light into the orthogonal polarization. Only a narrow wavelength band is constructively diffracted and since the band center is determined by the acoustic frequency, it is easi... View full abstract»

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  • Linear and nonlinear optical properties of some ternary selenides

    Publication Year: 1972, Page(s):900 - 908
    Cited by:  Papers (198)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2985 KB)

    The refractive indices of the ternaryA^{I}B^{III}C_{2}^{VI}semiconductors CuAlSe2, AgGaSe2, CuGaSe2, and AgInSe2have been measured over most of the transparency range of these crystals. The optical nonlinear coefficients for second-harmonic generation of AgGaSe2CuGaSe2, and AgInSe2have also been measured. Three... View full abstract»

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  • Line competition in the neutral argon laser

    Publication Year: 1972, Page(s):912 - 913
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (627 KB)

    Uncertainties in transition assignments for the neutral argon laser lines at 1.792 and 2.208 μm have been resolved by operation of a CW neutral argon laser with several simultaneous output wavelengths. The observed competition effects have established the correct transition for the 1.792-μm line to be3d(1/2)_{1}deg -4p(3/2)_{2}and for the 2.208-μm line to be... View full abstract»

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  • Internal upconversion and doubling of an optical parametric oscillator to extend the tuning range

    Publication Year: 1972, Page(s):914 - 916
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1073 KB)

    Efficient extension of the tuning range of a1.09-1.95muparametric oscillator to0.435-0.975muby upconversion and doubling internally to the oscillator cavity is reported. Unlike previously studied external mixing, internal upconversion and doubling yielded uniform powers of 30 and 60 kW, respectively, over the entire extended tuning range with an unfocused 2-mm ruby laser pump... View full abstract»

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  • A simple technique for longitudinal mode selection

    Publication Year: 1972, Page(s):916 - 917
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (898 KB)

    Single longitudinal mode operation of pulse-pumpedQ-switched Nd:YAG and ruby lasers has been achieved by providing an intracavity mode-selecting resonator that contains the laser's active medium. View full abstract»

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  • [Back cover]

    Publication Year: 1972, Page(s): 0
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    Freely Available from IEEE
  • Power output of a pulsed Raman laser with saturable excitation

    Publication Year: 1972, Page(s):869 - 872
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1248 KB)

    A theoretical expression is obtained for the time dependence of the Stokes power output of a pulsed Raman laser, the pump pulse duration being comparable to the relaxation time of the Raman excitation and the output saturation limited. A rate-equation approach is employed, and the pump beam is assumed to have a Gaussian intensity distribution. The theory is developed in terms of the practical exam... View full abstract»

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  • New infrared laser line in OCS and new method for C atom lasing

    Publication Year: 1972, Page(s):917 - 918
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (960 KB)

    Two infrared laser lines have been observed from electrically pulsed mixtures of OCS and helium. One is a new line from OCS and the other is a carbon atom line. View full abstract»

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  • Laser frequency fluctuations due to mechanical vibrations

    Publication Year: 1972, Page(s):857 - 865
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2880 KB)

    The frequency fluctuations of a single-frequency laser due to mechanical vibrations are dependent on the sound pressure and sound frequency. The two dependences have been studied with the observation of beat signals between two stable external-mirror He-Ne lasers in the free-running condition. The dependence on the sound pressure follows Hooke's law, so that the difference between the frequency fl... View full abstract»

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  • The effect of pH on photobleaching of organic laser dyes

    Publication Year: 1972, Page(s):913 - 914
    Cited by:  Papers (18)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (752 KB)

    Variation of pH affects the quantum efficiency for photobleaching and the rate of aggregation following photobleaching. The adjustment of pH to minimize photobleaching is useful for rhodamine 6G and pyronon B, but not for disodium fluorescein. Some of the operational problems of dye lasers may be interpreted as aggregation effects. View full abstract»

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  • FM-CW radar range measurement at 10-µm wavelength

    Publication Year: 1972, Page(s):909 - 910
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    The results are reported of some preliminary experiments on FM-CW range measurement using a CO2laser and a nitrogen-cooled PbSnTe detector. In clear conditions diffuse targets at ranges up to 10 km have been detected. View full abstract»

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  • Prediction of CO2laser signatures

    Publication Year: 1972, Page(s):877 - 882
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2176 KB)

    Based on previous work, a method is presented to predict the signature of a CO2laser, i.e., the output power as a function of the cavity length. For that purpose the normalized laser intensity curve versus cavity length is determined for a single line. The calculation is based on a homogeneously broadened line (Lorentzian shape) and takes into account the line dispersion. The curve is a... View full abstract»

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  • Time behavior of a TEA xenon laser

    Publication Year: 1972, Page(s):918 - 919
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (704 KB)

    The use of shorter current pulses has enabled the time behavior of the xenon laser output pulses to be examined. View full abstract»

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  • Unconfined flowing-dye films for CW dye lasers

    Publication Year: 1972, Page(s):910 - 911
    Cited by:  Papers (39)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    Dyes dissolved in viscous solvents can be pumped through simple nozzles to provide flowing thin streams of dye solution having excellent optical quality and stability over substantial areas. Such free flows, used in CW dye lasers instead of confined flows through thin cells, yield reduced lasing thresholds and superior long-term stability. 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