Effect of Irradiation on YAG Crystals by Femtosecond Pulse Laser

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 23 >Issue 10 >Page 1273 > Article

Acta Optica Sinica
Vol. 23, Issue 10, 1273 (2003)

Effect of Irradiation on YAG Crystals by Femtosecond Pulse Laser

[in Chinese], [in Chinese], [in Chinese], [in Chinese]^*, [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Effect of Irradiation on YAG Crystals by Femtosecond Pulse Laser[J]. Acta Optica Sinica, 2003, 23(10): 1273 Copy Citation Text

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Abstract

A 120 fs femtosecond pulse laser with wavelength of 800 nm was applied to irradiate YAG crystals grown by Czochralski (CZ) and temperature gradient technique (TGT) methods. Absorption spectra and EPR have been measured. The results show that Fe 3+ ions have been changed to Fe 2+ ions in CZ grown YAG crystals and F + centers formed after irradiation. Anti-irradiation ability of YAG grown by TGT method is better than CZ sample.

Keywords

absorption spectrum EPR femtosecond laser irradiation YAG crystal

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Effect of Irradiation on YAG Crystals by Femtosecond Pulse Laser[J]. Acta Optica Sinica, 2003, 23(10): 1273

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