The puzzle of two-photon rare earth spectra in solids

Author(s):  
Michael C. Downer

1984 ◽  
Vol 31-32 ◽  
pp. 23-28 ◽  
Author(s):  
N. Bloembergen




2018 ◽  
Vol 27 (1) ◽  
pp. 013202 ◽  
Author(s):  
Da-Long Qi ◽  
Ye Zheng ◽  
Wen-Jing Cheng ◽  
Yun-Hua Yao ◽  
Lian-Zhong Deng ◽  
...  


2001 ◽  
Vol 10 (01) ◽  
pp. 113-121 ◽  
Author(s):  
K. P. UNNIKRISHNAN ◽  
JAYAN THOMAS ◽  
BINOY PAUL ◽  
ACHAMMA KURIAN ◽  
PRAMOD GOPINATH ◽  
...  

Effective nonlinear absorption coefficient, β eff , of solutions of some rare earth substituted phthalocyanines (viz: Sm(Pc)2, Eu(Pc)2 and LaPc) was measured using open aperture Z-scan technique under nanosecond pulse excitation at 532 nm. The effect of nonlinear absorption on optical limiting in these samples was also investigated. Both nonlinear absorption and optical limiting phenomena in these samples are attributed to sequential two-photon absorption (STPA) process.



1983 ◽  
Vol 38 (2) ◽  
pp. 242-246
Author(s):  
P. A. Apanasevich ◽  
L. A. Dzhuguryan ◽  
A. G. Makhanek


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