|  | 
                        
                            |  |  | ISSN 2286-4822 ISSN-L 2286-4822
 |  
                            | International Multidisciplinary Research Journal |  
                            | European Academic Research |  
                            | This is to certify that our Editorial, Advisory, and Review Board Accepted Research
                                Paper of Dr/Mr/Ms :
                                I. M. BABAR1, M. YASIN
 |  
                            | Topic:-Self Q-switched wavelength tunable ErbiumYtterbium co-doped double clad fiber laser |  
                            | [
                                Department of Physics, University of Karachi
Karachi, Pakistan
Photonics Research Centre, University of Malaya
Kuala Lumpur, Malaysia, Department of Physics, Faculty of Science and Technology
Airlangga University, Surabaya, Indonesia
                                ] |  
                            | The Research Paper is Original and Innovative. It is Peer-Reviewed. |  
                            |  |  |   |  
                            |  |  | Dr.Ecaterina Patrascu |  
                            |  |  | Editor-in-Chief 
 
 |  |  |