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Medical Fiber Design: Conic Tip Fiber

Optical microscope image

SEM image

Spatial distribution

Zemax simulation

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Glass processing

Combiner Production

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Laser characterization



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Nanoparticle generation


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Fabrication of micro structures in glass with femtosecond laser pulses

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Ortaç Research Group 2017

Recent Work

2D/3D MoS2 Nanostructures by Pulsed Laser Ablation

T. Öztaş, H. S. Şen, E. Durgun, B. Ortaç, “Synthesis of colloidal 2D/3D MoS2 nanostructures by pulsed laser ablation in an organic liquid environment,” published in Journal of Physical Chemistry C (2014)

Indium nitride nanocrystals obtained through laser ablation

Our paper titled “A near-infrared range photodetector based on indium nitride nanocrystals obtained through laser ablation,” accepted to IEEE Electron Device Letters (2014), B. Tekcan, S. Alkis, M. Alevli, N. Dietz, B. Ortaç, N. Biyikli and A. K. Okyay.

16 nm InN nanoparticles embedded in ZnO

N. El-Atab, F. Cimen, S. Alkis, B. Ortaç, M. Alevli, N. Dietz, A. K. Okyay and A. Nayfeh, “Enhanced memory effect via quantum confinement in 16 nm InN nanoparticles embedded in ZnO charge trapping layer,” accepted to Applied Physics Letters (2014). 

Silver nanoparticles on Lemna minor

E. Üçüncü, A. D. Özkan, C. Kurşungöz, Z. E. Ülger, T. Tekinay, B. Ortaç and E. Tunca, “Effects of laser ablated silver nanoparticles on lemna minor,” accepted to Chemosphere (2014).


Laser Science and Technology

fiber laser_2

  • High power fiber laser systems
  • Continuous and femtosecond fiber laser systems
  • Medical laser systems

Fiber Technology


  • Fiber glass processing
  • Polishing
  • Tapering
  • Combiner production
  • Endcap


Materials Processing


  • Laser materials processing
  • Micro and nano processing
  • Surface modification
  • Internal modification




  • Nanoparticle production by laser ablation
  • Characterization
  • Functional nanomaterial for biological applications
  • Nanodevices
  • Nanotoxicity