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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
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Simple equations used to study the wavelengths of two-segment bistable diode lasers

J Chen, Z Wu, G Xia

    Optics Letters
    |October 28, 2009
    PubMed

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    Standing Waves in a Cavity01:28

    Standing Waves in a Cavity

    A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by: