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Updated: Jan 12, 2026

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特殊点和激光值:当低Q模式获胜时

Julius Kullig1, Qi Zhong2,3, Jan Wiersig1

  • 1Institut für Physik, Otto-von-Guericke-Universität Magdeburg, Postfach 4120, D-39016 Magdeburg, Germany.

Physical review letters
|November 7, 2025
PubMed
概括

关于哪种激光模式首先达到激光值的直觉可能是错误的. 非赫米特异常点可能会导致意想不到的模式切换,改变预期的激光顺序.

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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:
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