Publications by authors named "Umit Demirbas"

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Diode-pumped continuous-wave Yb:YVO laser with a broad tuning range of 986 to 1119 nm.
Muharrem Kilinc, Umit Demirbas, Martin Kellert, Jelto Thesinga, Alexey Yakovlev

Opt Express· December 2025

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Optimizing multi-cycle THz generation in PPLN: the role of central frequency and temperature.
Umit Demirbas, Alexandre Trisorio, Carlo Vicario

Opt Lett· October 2025

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A pyrene-modified carbon nanodot as a fluorescence nanosensor for nitroaniline herbicide detection and smartphone-assisted RGB analysis using hydrogel detection kits.
Dilek Öztürk, Vildan Sanko, Alireza Khataee, Erhan Demirbaş, Mahmut Durmuş

Analyst· September 2025

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Electrochemical PSA Detection Performance of an Innovative Immunosensor.
Ahmet Şenocak, Ahmet Akif Kızılkurtlu, Vildan Sanko, Süreyya Oğuz Tümay, Ümit Demirbaş

Langmuir· August 2025

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Enhanced high-order harmonic generation for tunable comb-like THz spectra in PPLN.
Umit Demirbas, Alexandre Trisorio, Carlo Vicario

Opt Lett· August 2025

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Sub-2W tunable laser based on silicon photonics power amplifier.
Neetesh Singh, Jan Lorenzen, Muharrem Kilinc, Kai Wang, Milan Sinobad, Umit Demirbas

Light Sci Appl· January 2025

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Pushing the tuning limits of femtosecond Yb-based solid-state lasers to 1 µm: a Yb:YVO laser tunable down to 1004 nm.
Muharrem Kilinc, Umit Demirbas, Jelto Thesinga, Martin Kellert, Alexey Yakovlev

Opt Lett· September 2024

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Dual-wavelength synchronously mode-locked Cr:LiSAF laser with a tunable beating frequency and a central wavelength.
Zekican Erturk, Muharrem Kilinc, Serdar Okuyucu, Yusuf Ozturk, Mikhail Pergament, Umit Demirbas

Opt Lett· June 2024

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Diode-pumped passively mode-locked femtosecond Yb:YLF laser at 1.1 GHz.
Serdar Okuyucu, Umit Demirbas, Jelto Thesinga, Marvin Edelmann, Mikhail Pergament

Opt Express· April 2024

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Challenges in power scaling of Cr:LiCAF lasers: effect of passive losses.
Zekican Erturk, Muharrem Kilinc, Serdar Okuyucu, Yusuf Ozturk, Umit Demirbas

Appl Opt· February 2024

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100-mJ, 100-W cryogenically cooled Yb:YLF laser.
Mikhail Pergament, Martin Kellert, Umit Demirbas, Jelto Thesinga, Simon Reuter

Opt Lett· June 2023

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Broadly tunable two-color lasing of Cr:LiCAF with on-surface and off-surface optical axis birefringent filters: performance comparison.
Zekican Erturk, Serdar Okuyucu, Muharrem Kilinc, Yusuf Ozturk, Mikhail Pergament, Umit Demirbas

Appl Opt· December 2022

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Continuous-wave Tm:YLF laser with ultrabroad tuning (1772-2145 nm).
Umit Demirbas, Jelto Thesinga, Ersen Beyatli, Martin Kellert, Mikhail Pergament

Opt Express· November 2022

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Parameter sensitivities in tilted-pulse-front based terahertz setups and their implications for high-energy terahertz source design and optimization.
Tobias Kroh, Timm Rohwer, Dongfang Zhang, Umit Demirbas, Huseyin Cankaya

Opt Express· July 2022

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Broadly tunable (993-1110  nm) Yb:YLF laser.
Umit Demirbas, Jelto Thesinga, Martin Kellert, Simon Reuter, Mikhail Pergament

Appl Opt· May 2022

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Semiconductor saturable absorber mirror mode-locked Yb:YLF laser with pulses of 40 fs.
Umit Demirbas, Jelto Thesinga, Martin Kellert, Simon Reuter, Mikhail Pergament

Opt Lett· February 2022

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Mode-locked Cr:LiSAF laser far off the gain peak: tunable sub-200-fs pulses near 1  µm.
Umit Demirbas, Jelto Thesinga, Martin Kellert, Simon Reuter, Bernd Sumpf

Appl Opt· October 2021

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Highly efficient cryogenic Yb:YLF regenerative amplifier with 250  W average power.
Umit Demirbas, Martin Kellert, Jelto Thesinga, Yi Hua, Simon Reuter

Opt Lett· August 2021

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High power (>500W) cryogenically cooled Yb:YLF cw-oscillator operating at 995 nm and 1019 nm using E//c axis for lasing.
Martin Kellert, Umit Demirbas, Jelto Thesinga, Simon Reuter, Mikhail Pergament

Opt Express· April 2021

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Photodynamic therapy effect of morpholinium containing silicon (IV) phthalocyanine on HCT-116 cells.
Can Özgür Yalçın, Burak Barut, Elif Nur Barut, Ümit Demirbaş, Tuba Dinçer

Photodiagnosis Photodyn Ther· December 2020

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High-power passively mode-locked cryogenic Yb:YLF laser.
Umit Demirbas, Jelto Thesinga, Huseyin Cankaya, Martin Kellert, Franz X Kärtner

Opt Lett· April 2020

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20-mJ, sub-ps pulses at up to 70 W average power from a cryogenic Yb:YLF regenerative amplifier.
Umit Demirbas, Huseyin Cankaya, Yi Hua, Jelto Thesinga, Mikhail Pergament

Opt Express· January 2020

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Novel water soluble BODIPY compounds: Synthesis, photochemical, DNA interaction, topoisomerases inhibition and photodynamic activity properties.
Burak Barut, Can Özgür Yalçın, Suat Sari, Özlem Çoban, Turgut Keleş

Eur J Med Chem· December 2019

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Efficient, diode-pumped, high-power (>300W) cryogenic Yb:YLF laser with broad-tunability (995-1020.5 nm): investigation of E//a-axis for lasing.
Umit Demirbas, Huseyin Cankaya, Jelto Thesinga, Franz X Kärtner, Mikhail Pergament

Opt Express· December 2019

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21  fs Cr:LiSAF laser mode locked with a single-walled carbon nanotube saturable absorber.
Gokhan Tanısalı, Isinsu Baylam, Mısra Tascı, Jı Eun Bae, Fabıan Rotermund

Opt Lett· October 2019

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