Umit Demirbas

Summary

Affiliation: Massachusetts Institute of Technology
Country: USA

Publications

  1. ncbi request reprint Low-cost, single-mode diode-pumped Cr:Colquiriite lasers
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Express 17:14374-88. 2009
  2. doi request reprint Diode-pumped passively mode-locked GHz femtosecond Cr:LiSAF laser with kW peak power
    Duo Li
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
    Opt Lett 35:1446-8. 2010
  3. doi request reprint Attosecond timing jitter pulse trains from semiconductor saturable absorber mode-locked Cr:LiSAF lasers
    Duo Li
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Opt Express 20:23422-35. 2012
  4. doi request reprint Low-cost cavity-dumped femtosecond Cr:LiSAF laser producing >100 nJ pulses
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 35:607-9. 2010
  5. ncbi request reprint Generation of 15 nJ pulses from a highly efficient, low-cost multipass-cavity Cr(3+):LiCAF laser
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 34:497-9. 2009

Collaborators

Detail Information

Publications5

  1. ncbi request reprint Low-cost, single-mode diode-pumped Cr:Colquiriite lasers
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Express 17:14374-88. 2009
    ..5 nJ pulse energies at approximately 100 MHz repetition rate. Electrical-to-optical conversion efficiencies of 8% in mode-locked operation and 12% in cw operation were achieved...
  2. doi request reprint Diode-pumped passively mode-locked GHz femtosecond Cr:LiSAF laser with kW peak power
    Duo Li
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
    Opt Lett 35:1446-8. 2010
    ..9 W from six laser diodes, 55 fs, 110 pJ pulses are produced. This corresponds to 1.8 kW of peak power, which to our knowledge represents a record result for GHz Cr:colquiriite lasers...
  3. doi request reprint Attosecond timing jitter pulse trains from semiconductor saturable absorber mode-locked Cr:LiSAF lasers
    Duo Li
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Opt Express 20:23422-35. 2012
    ..The results show that ultrafast Cr:LiSAF lasers are promising compact and efficient ultralow-jitter sources...
  4. doi request reprint Low-cost cavity-dumped femtosecond Cr:LiSAF laser producing >100 nJ pulses
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 35:607-9. 2010
    ..At higher dumping rates of up to 1 MHz, reduced pulse energies of 62 nJ could be generated. Two-photon absorption in the saturable absorber mirror limits pulse durations, while Q-switching instabilities limit pulse energy extraction...
  5. ncbi request reprint Generation of 15 nJ pulses from a highly efficient, low-cost multipass-cavity Cr(3+):LiCAF laser
    Umit Demirbas
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 34:497-9. 2009
    ..51 MHz repletion rate, were also generated. These results demonstrate that low-cost MPC Cr(3+)-doped colquiriite lasers can generate pulse energies and intensities comparable to more expensive Ti:sapphire lasers...