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IEEE Journal of Quantum Electronics

Issue 9 • September 1973

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

    Publication Year: 1973, Page(s): 0
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    Freely Available from IEEE
  • Theory of second-harmonic generation in optical waveguides

    Publication Year: 1973, Page(s):867 - 879
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3698 KB)

    A theory for the initial rate of second-harmonic generation (SHG) in planar optical waveguides for phase-matched and nonphase-matched cases is derived. The derivation is carried out both by a ray treatment and by a wave treatment and the results of the two are compared. Although formally and from the point of view of physical interpretation the two treatments look very different, the final results... View full abstract»

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  • Finite-aperture waveguide-laser resonators

    Publication Year: 1973, Page(s):901 - 910
    Cited by:  Papers (88)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2744 KB)

    A general theory of finite-aperture waveguide-laser resonators is developed which represents the external reflectors by matrices which couple linearly polarized waveguide modes having the same azimuthal symmetry. The theory allows the determination of resonator efficiency, resonator frequencies, and laser near- and far-field patterns. Computations of the coupling loss for the fundamental waveguide... View full abstract»

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  • Characteristics of sealed-off waveguide CO2lasers

    Publication Year: 1973, Page(s):940 - 946
    Cited by:  Papers (93)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2380 KB)

    Gain and output power of sealed-off waveguide CO2lasers are presented as a function of gas mixtures and total gas pressure. Experimental data on circular-bore and square-channel waveguide lasers are presented. Output power per unit length of 0.2 W/cm is achieved for both types of lasers in agreement with gas-discharge scaling laws which are presented. Saturation intensities as high as 2... View full abstract»

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  • 60-J pulses from an electron-beam-initiated SF6-C2H6chemical laser

    Publication Year: 1973, Page(s): 963
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB)

    A 5-kJ electron-beam pulse has been used to drive an SF6-C2H6- fueled chemical laser to produce 60-J 600-ns pulses with 100-ns rise time. View full abstract»

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  • [Back cover]

    Publication Year: 1973, Page(s): 0
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    Freely Available from IEEE
  • Relative performance of a variety of NF3+ hydrogen-donor transverse-discharge HF chemical-laser systems

    Publication Year: 1973, Page(s):879 - 889
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2816 KB)

    The performance of 18 NF3+ hydrogen-donor reactant systems has been determined in a pin-discharge HF chemical laser. Laser energy, laser pulse shape, and the time delay between initiation and lasing were measured in experiments with all 18 reactant systems; lasing lines were measured in 9 systems. It was found that, in general, saturated aliphatic hydrocarbons produced the most laser en... View full abstract»

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  • Recovery time of saturable absorbers for 1.06 u

    Publication Year: 1973, Page(s):960 - 961
    Cited by:  Papers (31)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB)

    The recovery time of a new saturable absorber suitable for mode locking of neodymium lasers has been measured and compared with the recovery of two commonly used saturable dyes (Eastman 9740 and 9860). View full abstract»

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  • Coupled-mode theory for guided-wave optics

    Publication Year: 1973, Page(s):919 - 933
    Cited by:  Papers (977)  |  Patents (49)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3552 KB)

    The problem of propagation and interaction of optical radiation in dielectric waveguides is cast in the coupled-mode formalism. This approach is useful for treating problems involving energy exchange between modes. A derivation of the general theory is followed by application to the specific cases of electrooptic modulation, photoelastic and magnetooptic modulation, and optical filtering. Also tre... View full abstract»

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  • The measurement of self-focusing parameters using intrinsic optical damage

    Publication Year: 1973, Page(s):954 - 956
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1152 KB)

    A new method for measuring the self-focusing parameters of transparent materials is reported. The technique consists of using lenses with different focal lengths to induce intrinsic bulk damage at low powers where catastrophic self-focusing is absent and then comparing the results to analytical calculations. Using this technique, the self-focusing parameters for sapphire are determined. View full abstract»

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  • Surface and bulk laser-damage statistics and the identification of intrinsic breakdown processes

    Publication Year: 1973, Page(s):890 - 896
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2488 KB)

    The experimental evidence presented confirms the existence of a statistical nature in the laser-induced intrinsic damage process both in the bulk and on the surfaces of transparent materials. A damage process determined by an electron-avalanche breakdown with statistical starting properties was found to be consistent with the data. The importance of irradiating only a small volume of the material ... View full abstract»

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  • The effect of the ▿n2term on the modes of an optical square-law medium

    Publication Year: 1973, Page(s):958 - 960
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (904 KB)

    Solutions of the mode problem of an optical waveguide with a square-law medium are usually based on the scalar wave equation. An exact derivation of the wave equation from Maxwell's equations results in an additional term containing the gradient \nabla n^{2} of the square of the refractive index n . It is the purpose of th... View full abstract»

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  • New optically pumped far-infrared lasers

    Publication Year: 1973, Page(s):962 - 963
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    Ninety-seven new far-infrared (FIR) laser transitions have been observed in optically pumped ethylene glycol, dimethyl ether, formic acid, and monomethyl amine, all excited by a pulsed CO2laser. View full abstract»

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  • Mode structure of active resonators

    Publication Year: 1973, Page(s):911 - 918
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2128 KB)

    An analysis is made of the mode structure of lasers when the interaction with the active medium is taken into account. We consider the combined effect of gain and refractive-index variations for arbitrary mirror configurations. Using a dimensionless round-trip matrix for a medium with a quadratic variation of the propagation constant with distance from the optic axis, dimensionless beam parameters... View full abstract»

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  • Magnitude and dispersion of Kleinman forbidden nonlinear optical coefficients

    Publication Year: 1973, Page(s):946 - 954
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2744 KB)

    Starting with a perturbation expansion for the Kleinman forbidden nonlinear optical coefficient d_{ijk^{F}} and for Miller's \Delta _{ijk^{F}} , and making several approximations, we arrive at a simple result for the ratio of forbidden to allowed mixing nonlinearities ( \omega _{1} + ...
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  • Laser considerations for triply ionized promethium in LiYF4

    Publication Year: 1973, Page(s):956 - 958
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (992 KB)

    Crystal-field split energy levels for the5 F and5 I ground configuration of Pm3+in LiYF4and radiative transition probabilities between these levels were calculated. An electric dipole φ-transition dominates and suggests a CW Pm3+laser is possible unless Pm... View full abstract»

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  • Large aperture CO2laser discharges

    Publication Year: 1973, Page(s):934 - 939
    Cited by:  Papers (86)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2088 KB)

    Large aperture high-pressure gas laser discharges are a prerequisite for the development of high-energy gas lasers of sufficient power for the production of plasmas of thermonuclear interest. Of the several approaches being followed toward the attainment of such discharges, one utilizing weak volumetric preionization of the active gas region produced by UV radiation is described. The use of this t... View full abstract»

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  • Limitations for mode-locking enhancement of internal SHG in a laser

    Publication Year: 1973, Page(s):897 - 900
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1024 KB)

    Theoretical expressions are given for the enhancement of second-harmonic generation (SHG) that can be expected from mode-locking in the case of intracavity frequency doubling. 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..

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Meet Our Editors

Editor-in-Chief
Aaron R. Hawkins
Brigham Young University