| 摘要 |
A gas, or electrodeless, discharge lamp for use in spectroscopic analysis is excited in a microwave field of sufficiently high intensity to maintain a high-residual ion concentration within said lamp to reestablish the discharge therein with minimal delay. Also, the microwave field exciting the lamp is modulated, whereby the emission, or beam, from the lamp irradiating an atomic vapor is modulated in "on-off" fashion without physical obstruction of said beam.
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