| 摘要 |
The discharge volume has an internal length L and a maximum diameter D at its center, with the discharge vessel being equipped with a light-emitting filling and with two electrodes at the ends of the discharge vessel, with the lamp being operated by means of high frequency such that an acoustic longitudinal mode is formed, with the wall thickness varying along the length L of the discharge volume, with the wall thickness S being thinnest at the center of the discharge vessel, while it is at least 1.2 S at an optimum point Popt, with the optimum point in each case being at a distance of {fraction (7/24 L from the end of the discharge vessel.
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