Research OpportunItIes for Graduate Students

Research areas of my group include experimental work on femtosecond lasers, solid-state lasers in the near and mid-infrared, glass lasers, spectroscopic investigation and photonic applications of nano particles, and nonlinear optics.  Interested students who are enrolled in the graduate programs of Physics, Electrical-Electronics Engineering, or Materials Science and Engineering may contact me by email (asennar at ku.edu.tr)

 

(Laser Research Laboratory, Spring 2012)

 

(Laser Research Laboratory, Spring 2011)

(Koç University Laser Research Laboratory, Ferda Canbaz and Cem Yetişmişoğlu, October 21, 2011)

 

(Koç University Laser Research Laboratory, Dr. Devrim Köseoğlu and Merve Şahin, October 21, 2011)

 

(Koç University Laser Research Laboratory, Prof. Sarper Özharar and Işınsu Baylam, October 21, 2011)

 

(Koç University Laser Research Laboratory, Ersen Beyatlı and Solmaz Naghizadeh, October 21, 2011)

 

(Koç University Laser Research Laboratory, Hüseyin Çankaya, June 24, 2011)

 

(Koç University Laser Research Laboratory, Natali Çizmeciyan and Hüseyin Çankaya, June 24, 2011)

 

(International Laser Physics Conference, Trondheim, Norway, July 2008, with Hüseyin Çankaya)

 

(Koç University, Commencement Ceremony, June 2009, with Natali Çizmeciyan)

 

CURRENT GROUP MEMBERS

 

 

Dr. Devrim Köseoğlu, post-doctoral researcher

 

Natali Çizmeciyan, PhD candidate in Materials Science and Engineering

 

 

Ersen Beyatlı, PhD candidate in Electrical-Electronics Engineering

 

Işınsu Baylam, MS candidate in Physics

 

Ferda Canbaz, MS candidate in Optoelectronics and Photonics Engineering

 

Can Cihan, MS candidate in Optoelectronics and Photonics Engineering

 

Philipp Heck, MS candidate in Optoelectronics and Photonics Engineering

 

Cem Yetişmişoğlu, BS candidate in Physics

 

Merve Şahin, BS candidate in Physics

 

Gökhan Tanısalı, BS candidate in Physics

 

FORMER GRADUATE STUDENTS AND THESES

 

                          (Serhat Tozburun and Hüseyin Çankaya)                                                                                         (Ümit Demirbaş)

 

(June 2004, KU Commencement Ceremony with Hüseyin Çankaya)

 

(With Dr. Hüseyin Çankaya after his PhD thesis defense, August 12, 2011)

 

(With Hüseyin Çankaya and Adil Tolga Görgülü, 2011 Koç University graduation ceremony, June 25, 2011)

 

 

PhD Students

1) İdris Kabalcı, Istanbul Technical University, PhD in Physics, March 2006, Co-advisor: Prof. Dr. Gönül Özen,

Thesis Title: ‘Florotelürit Optik Camların Termal, Mikroyapısal ve Spektroskopik Özellikleri’ (Thermal, Microstructural, and Spectroscopic Properties of Fluoro-tellurite Optical Glasses).

2) Hamit Kalaycıoğlu, Koç University, PhD in Electrical and Electronics Engineering, September 2008.

Thesis Title: Development and Characterization of Advanced Mid-Infrared Solid State Laser Systems

3) Hüseyin Çankaya, Koç University, PhD in Materials Science and Engineering, August 2011.

Thesis Title: Development of Advanced Solid-State Pulsed Lasers in the Near and Mid Infrared for Applications in Material Characterization

 

MS Students

1) Ümit Demirbaş, Koç University, MS in Materials Science and Engineering, June 2006

Thesis Title: Preparation, Spectroscopy, and Lasing Performance of Cr2+:ZnSe.

2) Hüseyin Çankaya, Koç University, MS in Materials Science and Engineering, August 2006

Thesis Title: Analysis of Solid-State Saturable Absorbers and Their Application to Passive Q Switching of Lasers.

3) Serhat Tozburun, Koç University, MS in Physics, July 2007

Thesis Title: Experimental Investigation of Pulsed, Eye-Safe Solid-State Lasers in the Near Infrared

4) Ahmet Koray Erdamar, Koç University, MS in Physics, August 2007

Thesis Title: Spectroscopic Investigation of CdS Quantum Dots and Fe2+:ZnSe.

5) Reyhane Kılcı, Koç University, MS in Physics, September 2008

Thesis Title: Investigation of UV-Visible Converters Based on Erbium-Doped Aromatic Polymers

6) Natali Çizmeciyan, Koç University, MS in Materials Science and Engineering, August 2009

Thesis Title: Development of a Femtosecond Cr:ZnSe Seed Laser for Regenerative Amplification

7) Aref Mostafazadeh, Koç University, MS in Electrical and Computer Engineering, August 2010

Thesis Title: Pulse Energy Optimization in Multipass-Cavity Mode-locked Femtosecond Lasers

8) Adil Tolga Görgülü, Koç University, MS in Materials Science and Engineering, July 2011

Thesis Title: Spectroscopic Investigation of Thulium Doped Tellurite Glasses for 2μm Laser Applications