2012
2011
(C22) Attosecond Ti:Sapphire Pulse Train Phase Noise
Andrew Benedick, Umit Demirbas, Duo Li, James G. Fujimoto and Franz X. Kartner
Oral presentation at Conference on Lasers and Electro-Optics (CLEO), paper CFK4, (Baltimore, Maryland, USA, May 1-6, 2011).
(C21) Mode-locked tuning of diode-pumped femtosecond Cr:LiSAF and Cr:LiCAF lasers using AlGaAs-based saturable Bragg reflectors
Umit Demirbas, Gale S. Petrich, Duo Li, Jing Wang, Sheila Nabanja, Jonathan R. Birge, Peter Fendel, Alphan Sennaroglu, Leslie A. Kolodziejski, Franz X. Kärtner, and James G. Fujimoto
Poster presentation at Advanced Solid-State Photonics Topical Meeting, (Optical Society of America, Istanbul, Turkey, 2011).
2010
2009
(C14) Recent advances in Cr:Colquiriite laser technology
Umit Demirbas, Sava Sakadzic, Kyung-Han Hong, Jonathan R. Birge, Duo Li, Hyunil Byun, Peter Fendel, Gale S. Petrich, Leslie. A. Kolodziejski, David A. Boas, Alphan Sennaroglu, Franz Kärtner, and James G. Fujimoto
Oral presentation at IEEE 22th Annual Lasers and Electro Optics Society Meeting, (Antalya, Turkey, 4–8 October 2009).
* This presentation has been selected as one of the five IEEE Photonics Society Annual Meeting Best Student Paper Award Finalist
2008
2007
(C9) Ultrabroad Tuning of an Intracavity-Pumped Cr:ZnSe Laser between 1880 and 3100 nm
Umit Demirbas and Alphan Sennaroglu
Oral presentation at Advanced Solid-State Photonics Topical Meeting, paper WE6, (Vancouver, Canada, January 28-31, 2007).
2006
2005
(C3) Preparation and Spectroscopic Investigation of Diffusion-Doped Fe2+:ZnSe and Cr2+:ZnSe
Umit Demirbas, Alphan Sennaroglu, Adnan Kurt & Mehmet Somer
Poster presentation at Advanced Solid-State Photonics Topical Meeting, Optical Society of America, Vienna, Austria, (2005).
(C2) Influence of Active Ion Concentration on Fluorescence Efficiency and Lasing Performance in Cr2+:ZnSe Lasers
Umit Demirbas, Alphan Sennaroglu, Adnan Kurt & Mehmet Somer
Oral presentation at 18th Annual Lasers and Electro Optics Society Meeting, (Sydney, Australia , 23 – 27 October 2005).
2004
(C1) Spectroscopic properties of Tm3+:TeO2-PbF2 glasses in the near infrared
Idris Kabalci, Gonul Ozen, Adnan Kurt, Umit Demirbas, Alphan Sennaroglu
Poster presentation at Conference on Solid-State Lasers and Amplifiers, Photonics Europe 2004, paper 5460-25 (26-30 April, Strasbourg, France, 2004).