Prof. Tinko A. Eftimov Profile

Prof. Tinko A. Eftimov

Professor at Paisii Hilendarski Univ of Plovdiv

SPIE Involvement:

Author

Proceedings Article | 22 February 2018 Presentation + Paper

Near infrared operation of femtosecond laser micro-machined in-fiber Mach Zehnder interferometers for refractive index sensing

Monika Janik, Tinko Eftimov, Marcin Koba, Mateusz Śmietana, Wojtek Bock

Proceedings Volume 10544, 105440F (2018) https://doi.org/10.1117/12.2291120

KEYWORDS: Refractive index, Femtosecond phenomena, Mach-Zehnder interferometers, Sensors, Optical fibers, Mach-Zehnder interferometer, Fiber optics sensors, Micromachining, Interferometers

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Proceedings Article | 8 January 2015 Paper

Bent optical fiber tapers for refractometery and biosensing

Emil Penchev, Tinko Eftimov, Wojtek Bock

Proceedings Volume 9447, 944716 (2015) https://doi.org/10.1117/12.2177916

KEYWORDS: Water, Refractive index, Fiber optics, Optical fibers, Interferometers, Biosensing, Sensors, Bacteria, Physics, Superposition

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Proceedings Article | 8 January 2015 Paper

Investigation of the influence of strontium carbonate on fluorescence spectra of oxy-fluoride glasses doped with samarium oxide and samarium fluoride

Teodora Pashova, Tinko Eftimov, Irena Kostova, Dancho Tonchev

Proceedings Volume 9447, 94470B (2015) https://doi.org/10.1117/12.2177866

KEYWORDS: Luminescence, Glasses, Strontium, Carbonates, Samarium, Zinc oxide, Oxides, Light emitting diodes, Ions, Temperature metrology

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Proceedings Article | 2 June 2014 Paper

Bent fused fiber taper intermodal interferometer as a refractive index sensor

T. Eftimov, W. Bock, E. Penchev

Proceedings Volume 9157, 91574O (2014) https://doi.org/10.1117/12.2059132

KEYWORDS: Refractive index, Sensors, Cladding, Water, Interferometers, Waveguides, Fourier transforms, Optical fibers, Physics

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Proceedings Article | 15 March 2013 Paper

A study of the response of intermodal interference patterns at a fiber coupler output

Katerina Zhelyazkova, Tinko Eftimov, Plamen Balzhiev

Proceedings Volume 8770, 877013 (2013) https://doi.org/10.1117/12.2014485

KEYWORDS: Fiber couplers, Charge-coupled devices, Optical fibers, Sensors, Visibility, Polarization, CCD image sensors, Physics, Wave propagation, Photodiodes

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Proceedings Article | 15 March 2013 Paper

Fiberized fluorescent dye microtubes

Veselin Vladev, Tinko Eftimov

Proceedings Volume 8770, 87700V (2013) https://doi.org/10.1117/12.2013652

KEYWORDS: Capillaries, Glasses, Luminescence, Bioalcohols, Fiber lasers, Standards development, Optical fibers, Fiber optics, Dye lasers, Silica

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Proceedings Article | 19 May 2011 Paper

A spectrally and spatially multiplexed LPG sensor system using an InGaAs CCD linear array

P. Balzhiev, W. Bock, T. Eftimov, P. Mikulic, R. Arnaudov

Proceedings Volume 7753, 77539L (2011) https://doi.org/10.1117/12.886615

KEYWORDS: Multiplexing, Charge-coupled devices, Indium gallium arsenide, Sensors, Fiber optics sensors, Switches, CCD image sensors, Diffraction gratings, Signal detection, Refractive index

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Proceedings Article | 17 May 2011 Paper

Inline core-cladding intermodal interferometer based on nano-coated photonic crystal fiber for refractive-index sensing

Mateusz Smietana, Daniel Brabant, Wojtek Bock, Predrag Mikulic, Tinko Eftimov

Proceedings Volume 7753, 77531R (2011) https://doi.org/10.1117/12.885925

KEYWORDS: Interferometers, Cladding, Refractive index, Photonic crystal fibers, Nano coatings, Coating, Silicon, Biosensors, Electrodes, Electronic support measures

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Proceedings Article | 18 January 2011 Paper

A differential detection scheme of spectral shifts in long-period fiber gratings

Katerina Zhelyazkova, Tinko Eftimov, Mateusz Smietana, Wojtek Bock

Proceedings Volume 7747, 77470S (2011) https://doi.org/10.1117/12.882083

KEYWORDS: Sensors, Diffraction gratings, Liquids, Optical fibers, Bioalcohols, Signal detection, GRIN lenses, Fiber Bragg gratings, Fiber optics sensors, Cladding

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Proceedings Article | 23 September 2010 Paper

Photonic crystal fiber refractive index sensor based on surface plasmon resonance

Jiahua Chen, Daniel Brabant, Wojtek Bock, Predrag Mikulic, Tinko Eftimov

Proceedings Volume 7750, 77502K (2010) https://doi.org/10.1117/12.872873

KEYWORDS: Sensors, Refractive index, Gold, Cladding, Coating, Multimode fibers, Photonic crystal fibers, Surface plasmons, Optical fibers, Bessel functions

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Proceedings Article | 5 October 2009 Paper

Polarization properties of LPG-based Mach-Zehnder and Michelson intermodal interferometers

Tinko Eftimov, Wojtek Bock, Predrag Mikulic, Jiahua Chen

Proceedings Volume 7503, 75034I (2009) https://doi.org/10.1117/12.835395

KEYWORDS: Polarization, Michelson interferometers, Tunable lasers, Cladding, Interferometers, Interferometry, Superluminescent sources, Refractive index, Mirrors

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Proceedings Article | 26 October 2007 Paper

Pressure sensitivities of tapered long-period fiber gratings

Jiahua Chen, Wojtek Bock, Tinko Eftimov, Predrag Mikulic

Proceedings Volume 6796, 67962B (2007) https://doi.org/10.1117/12.778955

KEYWORDS: Sensors, Optical fibers, Fiber Bragg gratings, Optics manufacturing, Temperature metrology, Photonic crystal fibers, Fiber optics sensors, Refractive index, Water, Photonic crystal devices

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Proceedings Article | 9 March 1994 Paper

Strain sensor based on LP01-LP02 intermodal interference in highly birefringent optical fibers

Wojtek Bock, Tinko Eftimov

Proceedings Volume 2070, (1994) https://doi.org/10.1117/12.169951

KEYWORDS: Polarization, Sensors, Interferometers, Fiber optics sensors, Optical fibers, Fiber optics, Fiber lasers, Laser optics, Polarimetry, Interferometry

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Proceedings Article | 5 March 1993 Paper

Performance of an all-fiber pressure sensor employing polarizing fibers

Wojtek Bock, Tinko Eftimov

Proceedings Volume 1795, (1993) https://doi.org/10.1117/12.141253

KEYWORDS: Optical fibers, Sensors, Fiber optics sensors, Fiber optics, Polarization, Semiconductor lasers, Polarimetry, Visibility, Fiber lasers, Laser optics

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Showing 5 of 14 publications

Conference Committee Involvement (1)

29th International Conference on Optical Fiber Sensors

25 May 2025 | Porto, Portugal

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