Prof. Christos Markos Profile

Prof. Christos Markos

Associate Professor

SPIE Involvement:

Conference Program Committee | Author

Publications (33)

SPIE Journal Paper | 26 November 2024 Open Access

Mid-infrared photoacoustic brain imaging enabled by cascaded gas-filled hollow-core fiber lasers

Cuiling Zhang, Kunyang Sui, Marcello Meneghetti, Jose Enrique Antonio-Lopez, Manoj Kumar Dasa, Rune Berg, Rodrigo Amezcua-Correa, Yazhou Wang, Christos Markos

NPh, Vol. 11, Issue 04, 045012, (November 2024) https://doi.org/10.1117/12.10.1117/1.NPh.11.4.045012

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Proceedings Article | 20 June 2024 Poster + Paper

Mid-infrared photoacoustic microscopy by gas-filled hollow-core fiber laser

Cuiling Zhang, Kunyang Sui, Marcello Meneghetti, Jose Enrique Antonio-Lopez, Manoj Dasa, Rune Berg, Rodrigo Amezcua-Correa, Yazhou Wang, Christos Markos

Proceedings Volume 13007, 1300706 (2024) https://doi.org/10.1117/12.3022104

KEYWORDS: Raman spectroscopy, Fiber lasers, Quantum cascade lasers, Brain, Neuroimaging, Photoacoustic microscopy, Mid infrared, Imaging systems, Laser sources, Laser development

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Proceedings Article | 20 June 2024 Presentation + Paper

Development of a combined multi-spectral optoacoustic microscopy and optical coherence tomography imaging instrument for mapping multiple chromophores in biological tissues

Gianni Nteroli, Manoj Dasa, Giulia Messa, Stella Koutsikou, Magalie Bondu, Peter Moselund, Christos Markos, Ole Bang, Adrian Podoleanu, Adrian Bradu

Proceedings Volume 13006, 130060J (2024) https://doi.org/10.1117/12.3017439

KEYWORDS: Chromophores, Equipment, Optical coherence tomography, Biological imaging, Photonics, Coherence imaging, Optoacoustics, Pulse signals, Tunable filters, Glucose

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Proceedings Article | 30 May 2023 Paper

Soft infrared optoelectronic fibers for modulation and recording of neural activity

Marcello Meneghetti, Kunyang Sui, Jaspreet Kaur, Jakob Sørensen, Rune Berg, Christos Markos

Proceedings Volume 12573, 125730P (2023) https://doi.org/10.1117/12.2665602

KEYWORDS: Infrared radiation, Interfaces, Polymer optical fibers, Modulation, Polymer optics, Optical fibers, Electrodes, Brain, Polymers, Optoelectronics

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Proceedings Article | 17 March 2023 Presentation

Applications of pump modulated UV supercontinuum

Asbjørn Moltke, Jonas Madsen, Callum Smith, Rasmus Engelsholm, Erik Christensen, Mattia Michieletto, Jürgen Appel, Anders Brusch, Christian Petersen, Poul Erik Hansen, Christos Markos, Patrick Montague, Ole Bang

Proceedings Volume PC12405, PC1240507 (2023) https://doi.org/10.1117/12.2649984

KEYWORDS: Ultraviolet radiation, Modulation, Plasma, Lamps, Imaging spectroscopy, Scatterometry, Metrology, Light sources, Transmittance, Supercontinuum sources

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Proceedings Article | 17 March 2023 Presentation

Spectral design of UV supercontinuum using pump modulation

Asbjørn Moltke, Callum Smith, Rasmus Engelsholm, Erik Christensen, Mattia Michieletto, Jonas Madsen, Jürgen Appel, Anders Brusch, Poul Erik Hansen, Christian Petersen, Christos Markos, Patrick Montague, Ole Bang

Proceedings Volume PC12405, PC1240505 (2023) https://doi.org/10.1117/12.2649940

KEYWORDS: Modulation, Ultraviolet radiation, Optical coherence tomography, Deep ultraviolet

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Proceedings Article | 15 March 2023 Presentation + Paper

Drug delivery and optical neuromodulation using a structured polymer optical fiber with ultra-high NA

Kunyang Sui, Marcello Meneghetti, Jaspreet Kaur, R. J. Sørensen, Rune Berg, Christos Markos

Proceedings Volume 12366, 1236604 (2023) https://doi.org/10.1117/12.2647117

KEYWORDS: Polymer optical fibers, Optical fibers, Brain, Light sources and illumination, Brain mapping, Waveguides, Photometry, Polymethylmethacrylate, Polymers, Polymer optics

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Proceedings Article | 15 March 2023 Presentation + Paper

Infrared neural stimulation and electrophysiology in a soft fiber-based neural interface

Marcello Meneghetti, Kunyang Sui, Jaspreet Kaur, Jakob Sørensen, Rune Berg, Christos Markos

Proceedings Volume 12366, 1236605 (2023) https://doi.org/10.1117/12.2646177

KEYWORDS: Electrodes, Infrared radiation, Electrophysiology, Tungsten, Indium, Polymer optical fibers, Brain, Transmittance

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Proceedings Article | 9 March 2023 Presentation + Paper

Photoacoustic detection of CO2 using a H2-filled mid-infrared fiber Raman laser source

Yazhou Wang, Manoj Dasa, J. E. Antonio-Lopez, Rodrigo Amezcua Correa, Christos Markos

Proceedings Volume 12379, 123790L (2023) https://doi.org/10.1117/12.2649680

KEYWORDS: Raman spectroscopy, Carbon monoxide, Carbon dioxide lasers

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Proceedings Article | 8 March 2023 Presentation + Paper

Gas-filled hollow-core fiber lasers for gas spectroscopy and imaging

Yazhou Wang, Cuiling Zhang, J. Antonio-Lopez, Rodrigo Amezcua Correa, Christos Markos

Proceedings Volume 12400, 1240010 (2023) https://doi.org/10.1117/12.2661747

KEYWORDS: Raman spectroscopy, Carbon monoxide, Imaging spectroscopy, Biological samples

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Proceedings Article | 25 May 2022 Presentation + Paper

2 μm Raman laser based on CO2-filled hollow-core silica fiber

Yazhou Wang, Olav T. S. Schiess, Rodrigo A. Correa, Christos Markos

Proceedings Volume 12142, 121420O (2022) https://doi.org/10.1117/12.2624183

KEYWORDS: Raman spectroscopy, Carbon monoxide, Gas lasers, Fiber lasers, Absorption, Pulsed laser operation, Raman scattering, Laser stabilization, Photodetectors, Laser scattering

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Proceedings Article | 18 April 2021 Presentation + Paper

Optofluidic channels in anti-resonant hollow-core fibers using focused ion beam

Yazhou Wang, Abubakar Adamu, Rodrigo Correa, Ole Bang, Christos Markos

Proceedings Volume 11773, 1177315 (2021) https://doi.org/10.1117/12.2592409

KEYWORDS: Optical fibers, Optofluidics, Ion beams, Silica, Microfluidics, Cladding, Capillaries, Micromachining, Ultraviolet radiation, Mid-IR

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Proceedings Article | 18 April 2021 Presentation + Paper

Ultraviolet to mid-infrared gas-filled anti-resonant hollow-core fiber lasers

Yazhou Wang, Abubakar Adamu, Md. Selim Habib, Manoj Dasa, Christian Petersen, J. Enrique Antonio-Lopez, Binbin Zhou, Peter Uhd Jepsen, Axel Schülzgen, Morten Bache, Rodrigo Amezcua Correa, Ole Bang, Christos Markos

Proceedings Volume 11773, 1177308 (2021) https://doi.org/10.1117/12.2592717

KEYWORDS: Raman spectroscopy, Ultraviolet radiation, Mid-IR, Fiber lasers, Pulsed laser operation, Raman scattering, Laser development, Deep ultraviolet, Carbon dioxide, Solitons

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Proceedings Article | 26 March 2020 Presentation

Applications of mid-infrared supercontinuum lasers and examples within optical coherence tomography for non-destructive testing (Conference Presentation)

Christian Petersen, Niels Israelsen, Christos Markos, Ole Bang

Proceedings Volume 11234, 112340D (2020) https://doi.org/10.1117/12.2565339

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Proceedings Article | 9 March 2020 Presentation

High-pulse energy supercontinuum sources for multi-spectral photoacoustic imaging in the near-infrared wavelength region (Conference Presentation)

Manoj Kumar Dasa, Kyei Kwarkye, Gianni Nteroli, Benjamin Efunbajo, Magalie Bondu, Getinet Woyessa, Niels Israelsen, Adrian Bradu, Christian Petersen, Peter M. Moselund, Patrick Bowen, Christos Markos, Ole Bang

Proceedings Volume 11234, 112340B (2020) https://doi.org/10.1117/12.2549947

KEYWORDS: Photoacoustic imaging, Supercontinuum sources, Single mode fibers, Absorption, Dispersion, Laser sources, Acoustics, Spatial resolution, Tissues, Biological detection systems

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Proceedings Article | 7 March 2019 Paper

Towards an all-fiber system for detection and monitoring of ammonia

Abubakar Adamu, Manoj Dasa, Md. Selim Habib, Rodrigo Amezcua-Correa, Ole Bang, Christos Markos

Proceedings Volume 10895, 1089506 (2019) https://doi.org/10.1117/12.2509575

KEYWORDS: Gas sensors, Absorption, Absorbance, Molecules, Photonics, Absorption spectroscopy, Atmospheric monitoring, Sensors, Nitrogen, Atmospheric sensing

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Proceedings Article | 7 March 2019 Paper

Monitoring of ammonia in an aqueous environment using a supercontinuum-based photoacoustic sensing system

Manoj Kumar Dasa, Abubakar Adamu, Jakob Janting, Kyei Kwarkye, Christos Markos, Ole Bang

Proceedings Volume 10895, 108950L (2019) https://doi.org/10.1117/12.2510351

KEYWORDS: Absorption, Photoacoustic spectroscopy, Sensing systems, Transducers, Environmental monitoring, Photonics

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Proceedings Article | 4 March 2019 Paper

Towards accurate and label-free monitoring of bio-analytes using supercontinuum based multispectral photoacoustic spectroscopy in the extended near-infrared wavelength regime

Manoj Kumar Dasa, Christos Markos, Jakob Janting, Abubakar Adamu, Patrick Bowen, Ole Bang

Proceedings Volume 10890, 108900W (2019) https://doi.org/10.1117/12.2510284

KEYWORDS: Glucose, Absorption, Photoacoustic spectroscopy, Optical filters, Photonics, Laser spectroscopy

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Proceedings Article | 22 February 2018 Paper

Multimaterial photonic crystal fibers

Christos Markos, Christian Rosenberg Petersen

Proceedings Volume 10528, 105280V (2018) https://doi.org/10.1117/12.2290367

KEYWORDS: Silica, Glasses, Chalcogenide glass, Refractive index, Photonic crystal fibers, Structured optical fibers, Thermal optics, Scanning electron microscopy, Cladding

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Proceedings Article | 23 April 2017 Paper

Simultaneous measurement of temperature and humidity with microstructured polymer optical fiber Bragg gratings

Getinet Woyessa, Jens Kristian Mølgaard Pedersen, Andrea Fasano, Kristian Nielsen, Christos Markos, Henrik Koblitz Rasmussen, Ole Bang

Proceedings Volume 10323, 103234T (2017) https://doi.org/10.1117/12.2265884

KEYWORDS: Sensors, Fiber Bragg gratings, Humidity, Temperature metrology, Polymer optical fibers, Polymers, Polymethylmethacrylate, Calibration, Phase only filters, Cladding

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Proceedings Article | 27 April 2016 Paper

Creation of a microstructured polymer optical fiber with UV Bragg grating inscription for the detection of extensions at temperatures up to 125°C

Andrea Fasano, Getinet Woyessa, Pavol Stajanca, Christos Markos, Alessio Stefani, Kristian Nielsen, Henrik Rasmussen, Katerina Krebber, Ole Bang

Proceedings Volume 9886, 988619 (2016) https://doi.org/10.1117/12.2227843

KEYWORDS: Fiber Bragg gratings, Polymer optical fibers, Polymers, Ultraviolet radiation, Optical fibers, Sensors, Optics manufacturing, Polymeric sensors, Photonics, Temperature metrology, Structured optical fibers, Resistance, Fiber lasers

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Proceedings Article | 28 September 2015 Paper

Humidity insensitive step-index polymer optical fibre Bragg grating sensors

G. Woyessa, A. Fasano, A. Stefani, C. Markos, K. Nielsen, H. Rasmussen, O. Bang

Proceedings Volume 9634, 96342L (2015) https://doi.org/10.1117/12.2194963

KEYWORDS: Polymers, Fiber Bragg gratings, Optical fibers, Humidity, Sensors, Glasses, Polymeric sensors, Fiber optics sensors, Polymethylmethacrylate, Cladding

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Proceedings Article | 28 September 2015 Paper

Thermally tunable bandgaps in a hybrid As2S3/silica photonic crystal fiber

Christos Markos, Alessio Stefani, Ole Bang

Proceedings Volume 9634, 96343G (2015) https://doi.org/10.1117/12.2194822

KEYWORDS: Chalcogenide glass, Silica, Photonic crystal fibers, Chalcogenides, Polymers, Cladding, Temperature metrology, Thermal optics, Glasses, Optical filters

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Proceedings Article | 16 March 2015 Paper

Assessment of fiber optic sensors for aging monitoring of industrial liquid coolants

Christos Riziotis, Alexandros El Sachat, Christos Markos, Pantelis Velanas, Anastasia Meristoudi, Aggelos Papadopoulos

Proceedings Volume 9359, 93591Y (2015) https://doi.org/10.1117/12.2079988

KEYWORDS: Liquids, Sensors, Fiber optics sensors, Silica, Polymers, Optical fibers, Sol-gels, Polymer optical fibers, Absorption, Industrial chemicals

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Proceedings Article | 2 May 2014 Paper

PMMA mPOF Bragg gratings written in less than 10 min

I.-L. Bundalo, K. Nielsen, C. Markos, O. Bang

Proceedings Volume 9128, 91280O (2014) https://doi.org/10.1117/12.2054304

KEYWORDS: Fiber Bragg gratings, Polymethylmethacrylate, Polymers, Silica, Polymer optical fibers, Fiber lasers, Ocean optics, Spectroscopy, Ultraviolet radiation, Reflectivity

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Proceedings Article | 7 March 2014 Paper

Proteins detection by polymer optical fibers sensitised with overlayers of block and random copolymers

Alexandros El Sachat, Anastasia Meristoudi, Christos Markos, Stergios Pispas, Christos Riziotis

Proceedings Volume 8983, 89830I (2014) https://doi.org/10.1117/12.2039529

KEYWORDS: Proteins, Sensors, Phase only filters, Polymethylmethacrylate, Adsorption, Polymers, Polymer optical fibers, Active remote sensing, Cladding, Analytical research

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Proceedings Article | 7 March 2014 Paper

Flexible glass flat-fibre chips and femtosecond laser inscription as enabling technologies for photonic devices

Christos Riziotis, Kyriacos Kalli, Christos Markos, Andreas Posporis, Charalambos Koutsides, Andrew Webb, Christopher Holmes, James Gates, Jayanta Sahu, Peter G. Smith

Proceedings Volume 8982, 89820G (2014) https://doi.org/10.1117/12.2039643

KEYWORDS: Resonators, Microfluidics, Femtosecond phenomena, Fiber Bragg gratings, Structured optical fibers, Glasses, Polishing, Mach-Zehnder interferometers, Integrated optics, Optical fibers

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Proceedings Article | 15 October 2013 Paper

Femtosecond laser inscription and micromachining in novel flexible glass flat-fibre chips

K. Kalli, C. Markos, A. Posporis, C. Koutsides, C. Riziotis, A. Webb, J. Sahu, C. Holmes, J. Gates, P. G. Smith

Proceedings Volume 8924, 89240Z (2013) https://doi.org/10.1117/12.2035403

KEYWORDS: Resonators, Femtosecond phenomena, Microfluidics, Fiber Bragg gratings, Micromachining, Glasses, Structured optical fibers, Optical fibers, 3D image processing, Polishing

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Proceedings Article | 17 October 2012 Paper

Temperature compensated, humidity insensitive, high-Tg TOPAS FBGs for accelerometers and microphones

A. Stefani, W. Yuan, C. Markos, H. Rasmussen, S. Andresen, R. Guastavino, F. Nielsen, B. Rose, O. Jespersen, N. Herholdt-Rasmussen, O. Bang

Proceedings Volume 8421, 84210Y (2012) https://doi.org/10.1117/12.977859

KEYWORDS: Fiber Bragg gratings, Humidity, Polymers, Silica, Polymer optical fibers, Polymethylmethacrylate, Sensors, Optical fibers, Temperature metrology, Glasses

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Proceedings Article | 26 April 2012 Paper

Modeling of photonic crystal fiber with polymer inclusions

Christos Markos, Kyriakos Vlachos, George Kakarantzas

Proceedings Volume 8426, 84260Y (2012) https://doi.org/10.1117/12.922674

KEYWORDS: Polymers, Cladding, Photonic crystal fibers, Solids, Temperature metrology, Structured optical fibers, Refractive index, Numerical analysis, Thermal optics, Thermal effects

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Proceedings Article | 26 April 2012 Paper

Formation of PDMS films inside the holes of silica photonic crystal fibers

C. Markos, K. Vlachos, G. Kakarantzas

Proceedings Volume 8426, 842604 (2012) https://doi.org/10.1117/12.922682

KEYWORDS: Silica, Scanning electron microscopy, Photonic crystal fibers, Micro raman spectroscopy, Birefringence, Polarization, Liquids, Finite-difference time-domain method, Glasses, Thin films

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Proceedings Article | 17 May 2011 Paper

Thermo-optic effect of an index guiding photonic crystal fiber with elastomer inclusions

C. Markos, K. Vlachos, G. Kakarantzas

Proceedings Volume 7753, 775340 (2011) https://doi.org/10.1117/12.886004

KEYWORDS: Thermal optics, Photonic crystal fibers, Temperature metrology, Refractive index, Silica, Absorption, Optical properties, Scanning electron microscopy, Polymers, Finite-difference time-domain method

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Proceedings Article | 11 February 2011 Paper

Guiding and birefringent properties of a hybrid PDMS/silica photonic crystal fiber

Christos Markos, Kyriakos Vlachos, George Kakarantzas

Proceedings Volume 7914, 791427 (2011) https://doi.org/10.1117/12.874158

KEYWORDS: Birefringence, Photonic crystal fibers, Polarization, Silica, Scanning electron microscopy, Polymers, Micro optical fluidics, Thermal optics, Refractive index, Absorption

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Showing 5 of 33 publications

Conference Committee Involvement (5)

29th International Conference on Optical Fiber Sensors

25 May 2025 | Porto, Portugal

Eighth Workshop on Specialty Optical Fibers and their Applications

7 April 2025 | Prague, Czech Republic

Fiber Lasers and Glass Photonics: Materials through Applications IV

8 April 2024 | Strasbourg, France

Specialty Optical Fibres

24 April 2023 | Prague, Czech Republic

Fiber Lasers and Glass Photonics: Materials through Applications III

3 April 2022 | Strasbourg, France

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