Diffraction losses for symmetrically tilted plane reflectors in open resonators.
Diffraction power losses for tilted (open) resonators with both circular and strip flat reflectors are computed for several tilt angles by means of a second-order perturbation technique. Results indicate that the power losses increase as the square of the perturbation parameter. The strips exhibit a greater additional power loss per transit for the TEM(0) mode than for the TEM(1) mode; the opposite is true in the case of the circular disks. Results are applied to the He-Ne 6328-A line.
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