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Possibility of Gamma-Induced Sensibilization Process in Rare-Earth Doped Yag Crystals

100%

Kaczmarek S., Matkovskii A., Mierczyk Z., Kopczyński K., Sugak D., Durygin A., Frukacz Z.

Acta Physica Polonica A

1996

vol. 90

issue 2

285-293

The influence of gamma irradiation on optical and lasing properties of Nd:YAG, Er:YAG and CTH:YAG single crystals was studied. The increase in optical output was established for rods without thermal annealing. The possible mechanisms of radiation sensibilization are discussed.

Influence of the γ-Radiation on the Generation Characteristics of the YAlO_{3}:Nd Crystals

84%

Sugak D., Matkovskii A., Grabovskii V., Prokhorenko V., Suchocki A., Durygin A., Solskii I., Shakhov A.

Acta Physica Polonica A

1998

vol. 93

issue 4

643-648

The results of investigation of the influence of γ-radiation by ^{60}Co-source on the YAlO_{3}:Nd laser generation characteristics are presented in this paper. The significant decrease in the output energy after γ-irradiation was obtained. The energetic characteristics are restored after illumination of the γ-irradiated laser rods by 1000-10000 pulses of the pumping lamp light. The additional absorption spectrum is induced by γ-irradiation in the crystals. The nature of the created in this way colour centres is discussed. The mechanism of influence of the colour centres on generation properties of the crystals is discussed.

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2 Acta Physica Polonica A

1 1998

1 1996

2 Durygin A.

2 Matkovskii A.

2 Sugak D.

1 Frukacz Z.

1 Grabovskii V.

1 Kaczmarek S.

1 Kopczyński K.

1 Mierczyk Z.

1 Prokhorenko V.

1 Shakhov A.

1 Solskii I.

1 Suchocki A.

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Possibility of Gamma-Induced Sensibilization Process in Rare-Earth Doped Yag Crystals

Influence of the γ-Radiation on the Generation Characteristics of the YAlO_{3}:Nd Crystals