Author Affiliations
Abstract
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
The absorption spectra, fluorescence spectra, and lifetimes of as-grown and annealed Cr,Yb:YAG crystal grown by Czochralski technique have been measured. The broad absorption bands in the visible region increase in intensity and shift to long wavelength after annealing, and the additional absorption around 482 nm may be possibly due to new octahedral Cr4+ center in the crystal, and the increase in the infrared (IR) region is due to the increase of Cr4+. The increase of Cr4+ also results in the groud state absorption and the concentration quenching of Yb3+ in Cr,Yb:YAG crystal after annealing, the fluorescence intensity is reduced to 75% and the emission lifetime is shortened from 1.40 to 0.44 ms.
160.3380 laser materials 160.5690 rare earth doped materials 300.6170 spectra Chinese Optics Letters
2004, 2(11): 11661
1 Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China
2 Department of Physics,Henan University,Kaifeng 475001,China
Nd:KGW crystal flashlamp pump Q-switch Chinese Journal of Lasers B
2002, 11(3): 161
Shanghai Institute of Optics and Fine Mechanics, The Chinese Academy of Sciences,Shanghai 201800, China
Yb:FAP crystal polarization absorption spectra polarization emission spectra fluorescence lifetime method of reciprocity Chinese Journal of Lasers B
2000, 9(1): 91
Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Science, Shanghai 201800, China
Ti:Sapphire laser Yb:YAG thin chip 1.053 μm laser Chinese Journal of Lasers B
2000, 9(1): 8
Shanghhai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences,Shanghai 201800, China
Chinese Journal of Lasers B
2000, 9(2): 192
Shanghai Institute of Optics and Fine Mechanics, The Chinese Academy of Sciences, Shanghai 201800, China
Cr Yb:YAG crystal emission cross-section self Q-switched laser Chinese Journal of Lasers B
2000, 9(2): 187
Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China
laser crystal (Cr Yb):YAG crystal spectrum characters self-Q switched laser crystal Chinese Journal of Lasers B
1999, 8(5): 475
Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Cr4+:YAG ESA Q-switching Chinese Journal of Lasers B
1997, 6(3): 193
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
LiGaO2 crystal substrate crystal Chinese Journal of Lasers B
1996, 5(4): 375
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai 201800, China
high energy ion implantation optical waveguide Ti:Al2O3 crystal Chinese Journal of Lasers B
1995, 4(6): 557