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Ince-Gaussian Beams Find the Middle Ground

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Breck Hitz

When optical engineers talk about laser modes, they're referring to the distinct spatial patterns of electric-field intensity within a resonator. These patterns are individual solutions to the paraxial wave equation subject to boundary conditions imposed by the resonator's mirrors, and they are well-known to anybody who has perused a laser textbook. In rectangular coordinates, for example, the cross-sectional intensity distributions are referred to as Hermite-Gaussian beams. The lowest-order Hermite-Gaussian is the well-known TEM00 mode. A laser can be forced to oscillate in a single,...Read full article

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    Published: March 2004
    Ince-Gaussian patternslaser modesResearch & Technologyspatial patternsLasers

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