Abstract

The absorption in the F-band and thermoluminescence (TL) of as-cleaved or quenched KCl single crystals after X-ray irradiation and later excited with laser light are studied. The F-centre concentration at room temperature (≈ 30 °C) is significantly decreased with laser excitation. The TL output is also decreased with the excitation. An attempt is made to understand these results. Es werden die Absorption in der F-Bande und die Thermolumineszenz (TL) von gespalteten oder abgeschreckten KCl-Einkristallen nach Rontgenbestrahlung und spater erfolgter Anregung mit Laserlicht untersucht. Die F-Zentrenkonzentration bei Zimmertemperatur (≈ 30 °C) wird mit Laseranregung betrachtlich verringert. Die TL-Ausbeute wird ebenfalls mit der Anregung erniedrigt. Ein Versuch wird unternommen, diese Ergebnisse zu erklaren.

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