Optical studies of chromium doped zinc oxy fluoro borate glasses – A possible disordered material for tunable LASERS

Author(s):  
P. Naresh ◽  
S.K. Fakrudddin Babavali ◽  
A. Chitti Babu ◽  
P. Raghava Rao ◽  
N. Narasimha Rao
2018 ◽  
Vol 124 (10) ◽  
Author(s):  
Jagannath Gangareddy ◽  
Eraiah Bheemaiah ◽  
Vinitha Gandhiraj ◽  
Jaimson T. James ◽  
Jephin K. Jose ◽  
...  

2013 ◽  
Vol 770 ◽  
pp. 153-156
Author(s):  
Onanong Chamlek ◽  
Pruittipol Limkitjaroenporn ◽  
Hong Joo Kim ◽  
Jakrapong Kaewkhao

Neonymium doped bismuth borate glasses with composition 50Bi2O3 : (50-x)B2O3: xNd2O3 (where x = 0.5, 1.0, 1.5, 2.0 and 2.5 mol%) have been prepared by melt quenching technique. The optical and upconversion luminescence properties of glasses were investigated. The nine absorption peaks were observed, correspond with Nd3+ energy level in glass. The optical band gap decreased with increasing Nd2O3 concentration due to the increase of non-bridging oxygen (NBOs) in glass matrix. The upconversion luminescence emission spectra shows peak at 393 nm, assign to 4D3/24I11/2 transition.


2019 ◽  
Author(s):  
V. L. Usharani ◽  
B. Eraiah

2011 ◽  
Vol 509 (6) ◽  
pp. 3183-3189 ◽  
Author(s):  
M.A. Samee ◽  
A.M. Awasthi ◽  
T. Shripathi ◽  
Shashidhar Bale ◽  
Ch. Srinivasu ◽  
...  

Author(s):  
K. Swapna ◽  
Sk. Mahamuda ◽  
A. Srinivasa Rao ◽  
S. Shakya ◽  
T. Sasikala ◽  
...  

2008 ◽  
Vol 206 (1) ◽  
pp. 131-139 ◽  
Author(s):  
K. Marimuthu ◽  
S. Surendra Babu ◽  
G. Muralidharan ◽  
S. Arumugam ◽  
C. K. Jayasankar

2018 ◽  
Vol 124 (11) ◽  
Author(s):  
A. Prabhakar Reddy ◽  
M. Chandra Shekhar Reddy ◽  
A. Siva Sesha Reddy ◽  
J. Ashok ◽  
N. Veeraiah ◽  
...  

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