20142020

Research output per year

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Research Output

2020

An ultra-compact particle size analyser using a CMOS image sensor and machine learning

Hussain, R., Alican Noyan, M., Woyessa, G., Retamal Marín, R. R., Antonio Martinez, P., Mahdi, F. M., Finazzi, V., Hazlehurst, T. A., Hunter, T. N., Coll, T., Stintz, M., Muller, F., Chalkias, G. & Pruneri, V., 1 Dec 2020, In : Light: Science and Applications. 9, 1, 21.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access

Bragg gratings inscribed in solid-core microstructured single-mode polymer optical fiber drawn from a 3D-printed polycarbonate preform

Zubel, M. G., Fasano, A., Woyessa, G., Min, R., Leal-Junior, A., Theodosiou, A., Marques, C. A. F., Rasmussen, H. K., Bang, O., Ortega, B., Kalli, K., Frizera-Neto, A., Pontes, M. J. & Sugden, K., 2020, (Accepted/In press) In : IEEE Sensors Journal.

Research output: Contribution to journalJournal articleResearchpeer-review

Enhanced pressure and thermal sensitivity of polymer optical fiber Bragg grating sensors

Woyessa, G., Pedersen, J. K. M., Nielsen, K. & Bang, O., Oct 2020, In : Optics and Laser Technology. 130, 5 p., 106357.

Research output: Contribution to journalJournal articleResearchpeer-review

Zeonex – a route towards low loss humidity insensitive single-mode step-index polymer optical fibre

Woyessa, G., Rasmussen, H. K. & Bang, O., 2020, In : Optical Fiber Technology. 57, 6 p., 102231.

Research output: Contribution to journalJournal articleResearchpeer-review

2019

An L-band ultrasonic probe using polymer optical fibre

Broadway, C., Woyessa, G., Bang, O., Mégret, P. & Caucheteur, C., 1 Jan 2019, Proceedings of SPIE. Oraevsky, A. A. & Wang, L. V. (eds.). SPIE - International Society for Optical Engineering, Vol. 10878. 8 p. 108780N. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE, Vol. 10878).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
214 Downloads (Pure)

Bragg grating device fabrication in undoped PMMA mPOF at 266 nm UV wavelength

Min, R., Ortega, B., Pereira, L., Paixão, T., André, P., Woyessa, G., Bang, O., Zhong, D., Antunes, P., Pinto, J. L. & Marques, C., 2019, Proceedings of 2019 International Microwave and Optoelectronics Conference. 3 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
15 Downloads (Pure)

Effects of Solvent Etching on PMMA Microstructured Optical Fiber Bragg Grating

Janting, J., Pedersen, J., Inglev, R., Woyessa, G., Nielsen, K. & Bang, O., 2019, In : Journal of Lightwave Technology. 37, 18, p. 4469 - 4479

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
239 Downloads (Pure)

Inscription of Bragg gratings in undoped PMMA mPOF with Nd:YAG laser at 266 nm wavelength

Min, R., Pereira, L., Paixão, T., Woyessa, G., André, P., Bang, O., Antunes, P., Pinto, J., Li, Z., Ortega, B. & Marques, C., 1 Jan 2019, In : Optics Express. 27, 26, p. 38039-38048 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
34 Downloads (Pure)

Microstructured Polymer Optical Fiber Gratings and Sensors

Woyessa, G., Fasano, A. & Markos, C., 2019, Handbook of Optical Fibers. Peng, G-D. (ed.). Springer, p. 2037-2078

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation

Petersen, C. R., Lotz, M. B., Woyessa, G., Ghosh, A. N., Sylvestre, T., Brilland, L., Troles, J., Jakobsen, M. H., Taboryski, R. & Bang, O., 15 Nov 2019, In : Optics Letters. 44, 22, p. 5505-5508

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
114 Downloads (Pure)

Optical ammonia sensors based on Hollow core fiber and photoacoustic spectroscopy

Adamu, A. I., Dasa, M. K., Kwarkye, K., Woyessa, G., Bang, O. & Markos, C., 2019, Frontiers in Optics 2019. Optical Society of America (OSA), 2 p. JW4A.64

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Polymer Optical Fiber Modification by Etching using Hansen Solubility Parameters - A Case Study of TOPAS, Zeonex and PMMA

Inglev, R., Bang, O., Woyessa, G. & Janting, J., 2019, In : Journal of Lightwave Technology. 37, 18, p. 4776 - 4783

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
208 Downloads (Pure)

Scaling power, bandwidth, and efficiency of mid-infrared supercontinuum source based on a GeO2-doped silica fiber

Jain, D., Sidharthan, R., Woyessa, G., Moselund, P. M., Bowen, P., Yoo, S. & Bang, O., 2019, In : Optical Society of America. Journal B: Optical Physics. 36, 2, p. A86-A92

Research output: Contribution to journalJournal articleResearchpeer-review

Small and Robust All-Polymer Fiber Bragg Grating based pH Sensor

Janting, J., Pedersen, J., Woyessa, G., Nielsen, K. & Bang, O., 2019, In : Journal of Lightwave Technology. 37, 18, p. 4480 - 4486

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
65 Downloads (Pure)
2018

All-Polymer Fiber Bragg Grating based pH Sensor.

Pedersen, J. K. M., Janting, J., Woyessa, G., Nielsen, K. & Bang, O., 2018, Proceedings of 26th International Conference on Optical Fiber Sensors . Optical Society of America OSA, 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Dynamic mechanical characterization with respect to temperature, humidity, frequency and strain in mPOFs made of different materials

Leal-Junior, A., Frizera, A., Pontes, M. J., Fasano, A., Woyessa, G., Bang, O. & Marques, C. A. F., 1 Apr 2018, In : Optical Materials Express. 8, 4, p. 804-815

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
312 Downloads (Pure)

Effects of Solvent Etching on PMMA Microstructured Optical Fiber Bragg Grating

Pedersen, J. K. M., Janting, J., Woyessa, G., Nielsen, K. & Bang, O., 2018, Proceedings of 26th International Conference on Optical Fiber Sensors. Optical Society of America OSA, 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Fast and stable gratings inscription in POFs made of different materials with pulsed 248 nm KrF laser

Marques, C. A. F., Min, R., Leal, A., Antunes, P., Fasano, A., Woyessa, G., Nielsen, K., Rasmussen, H. K., Ortega, B. & Bang, O., 22 Jan 2018, In : Optics Express. 26, 2, p. 2013-2022

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
405 Downloads (Pure)

Hot water-assisted fabrication of chirped polymer optical fiber Bragg gratings

Min, R., Ortega, B., Broadway, C., Caucheteur, C., Woyessa, G., Bang, O., Antunes, P. & Marques, C., 2018, In : Optics Express. 26, 26, p. 34655-34664

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
239 Downloads (Pure)

Influence of the Cladding Structure in PMMA mPOFs Mechanical Properties for Strain Sensors Applications

Leal-Junior, A. G., Frizera, A., Min, R., Pontes, M. J., Fasano, A., Woyessa, G., Bang, O. & Marques, C., 2018, In : IEEE Sensors Journal. 18, 14, p. 5805-5811

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
228 Downloads (Pure)

Mechanical characterization of drawn Zeonex, Topas, polycarbonate and PMMA microstructured polymer optical fibres

Rasmussen, H. K., Fasano, A., Stajanca, P., Woyessa, G., Schukar, M. & Bang, O., 2018, In : Optical Materials Express. 8, 11, p. 3600-3614

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
268 Downloads (Pure)

The Application of Hansen Solubility Parameters for Local Etching of TOPAS Polymer Optical Fibers.

Inglev, R., Janting, J., Nielsen, K., Woyessa, G. & Bang, O., 2018, Proceedings of 26th International Conference on Optical Fiber Sensors. Optical Society of America OSA, 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2017

BDK-doped core microstructured PMMA optical fiber for effective Bragg grating photo-inscription

Hu, X., Woyessa, G., Kinet, D., Janting, J., Nielsen, K., Bang, O. & Caucheteur, C., 2017, In : Optics Letters. 42, 11, p. 2209-2212

Research output: Contribution to journalLetterResearchpeer-review

Effects of pre-strain on the intrinsic pressure sensitivity of polymer optical fiber Bragg-gratings

Pedersen, J. K. M., Woyessa, G., Nielsen, K. & Bang, O., 2017, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 10323. 4 p. 103234U. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10323).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
319 Downloads (Pure)

Long-term strain response of polymer optical fiber FBG sensors

Bundalo, I-L., Nielsen, K., Woyessa, G. & Bang, O., 2017, In : Optical Materials Express. 7, 3, p. 967-976

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
700 Downloads (Pure)

Low Loss Polycarbonate Polymer Optical Fiber for High Temperature FBG Humidity Sensing

Woyessa, G., Fasano, A., Markos, C., Rasmussen, H. K. & Bang, O., 2017, In : I E E E Photonics Technology Letters. 29, 7, p. 575-578

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
134 Downloads (Pure)

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

Woyessa, G., Pedersen, J. K. M., Fasano, A., Nielsen, K., Markos, C., Rasmussen, H. K. & Bang, O., 2017, 25th International Conference on Optical Fiber Sensors. Chung, Y., Jin, W., Lee, B., Canning, J., Nakamura, K. & Yuan, L. (eds.). SPIE - International Society for Optical Engineering, Vol. 10323. 4 p. 103234T

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
483 Downloads (Pure)

Solution-Mediated Annealing of Polymer Optical Fiber Bragg Gratings at Room Temperature

Fasano, A., Woyessa, G., Janting, J., Rasmussen, H. K. & Bang, O., 2017, In : I E E E Photonics Technology Letters. 29, 8, p. 687-690

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
108 Downloads (Pure)

Special fibres and components

Bunge, C-A., Woyessa, G., Bremer, K., Lustermann, B. & Woyessa, G., 2017, Polymer Optical Fibres: Fibre Types, Materials, Fabrication, Characterisation and Applications. Bunge, C-A., Gries, T. & Beckers, M. (eds.). Elsevier, p. 119–151

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Speciality and microstructured polymer optical FBG sensors

Woyessa, G., 2017, Technical University of Denmark. 150 p.

Research output: Book/ReportPh.D. thesisResearch

Open Access
File
91 Downloads (Pure)

Zeonex microstructured polymer optical fiber: fabrication friendly fibers for high temperature and humidity insensitive Bragg grating sensing

Woyessa, G., Fasano, A., Markos, C., Stefani, A., Rasmussen, H. K. & Bang, O., 2017, In : Optical Materials Express. 7, 1, 10 p., 286.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
804 Downloads (Pure)

Zeonex-PMMA microstructured polymer optical FBGs for simultaneous humidity and temperature sensing

Woyessa, G., Pedersen, J. K. M., Fasano, A., Nielsen, K., Markos, C., Rasmussen, H. K. & Bang, O., 2017, In : Optics Letters. 42, 6, p. 1161-1164

Research output: Contribution to journalJournal articleResearchpeer-review

2016

3D-printed PMMA Preform for Hollow-core POF Drawing

Zubel, M. G., Fasano, A., Woyessa, G., Sugden, K., Rasmussen, H. K. & Bang, O., 2016, Proceedings of the 25th International Conference on Plastic Optical Fibers 2016. University of Aston in Birmingham, p. 6

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
593 Downloads (Pure)

Bragg grating photo-inscription in doped microstructured polymer optical fiber by 400 nm femtosecond laser pulses.

Hu, X., Woyessa, G., Kinet, D., Janting, J., Nielsen, K., Bang, O., Mégret, P. & Caucheteur, C., 2016, Proceedings of 25th International Conference on Plastic Optical Fibers 2016. 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
90 Downloads (Pure)

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

Fasano, A., Woyessa, G., Stajanca, P., Markos, C., Stefani, A., Nielsen, K., Rasmussen, H. K., Krebber, K. & Bang, O., 2016, Proceedings of SPIE 9886: Micro-Structured and Specialty Optical Fibres IV. Kalli, K. & Mendez, A. (eds.). SPIE - International Society for Optical Engineering, Vol. 9886. 6 p. 988619. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9886).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
247 Downloads (Pure)

Fabrication and characterization of polycarbonate microstructured polymer optical fibers for high-temperature-resistant fiber Bragg grating strain sensors

Fasano, A., Woyessa, G., Stajanca, P., Markos, C., Stefani, A., Nielsen, K., Rasmussen, H. K., Krebber, K. & Bang, O., 2016, In : Optical Materials Express. 6, 2, p. 649-659

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
668 Downloads (Pure)

Intrinsic pressure response of a single mode cyclo olefin polymer fiber bragg grating

Pedersen, J. K. M., Woyessa, G., Nielsen, K. & Bang, O., 2016, Proceedings of the 25th International Conference on Plastic Optical Fibres. 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Investigation of the in-solution relaxation of polymer optical fibre Bragg gratings

Fasano, A., Woyessa, G., Janting, J., Rasmussen, H. K. & Bang, O., 2016, Proceedings of the 25th International Conference on Plastic Optical Fibers 2016. University of Aston in Birmingham, p. 4

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
168 Downloads (Pure)

Polymer Optical Fibre Bragg Grating Humidity Sensor at 100ºC

Woyessa, G., Fasano, A., Markos, C., Rasmussen, H. K. & Bang, O., 2016, Proceedings of the 25th International Conference on Plastic Optical Fibers 2016. University of Aston in Birmingham, 279 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
245 Downloads (Pure)

Single mode step-index polymer optical fiber for humidity insensitive high temperature fiber Bragg grating sensors

Woyessa, G., Fasano, A., Stefani, A., Markos, C., Nielsen, K., Rasmussen, H. K. & Bang, O., 2016, In : Optics Express. 24, 2, p. 1253-1260

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
429 Downloads (Pure)

Study of doping non-PMMA polymer fibre canes with UV photosensitive compounds

Hassan, H. U., Fasano, A., Janting, J., Demirci, G., Çetinkaya, O., Woyessa, G., Rasmussen, H. K. & Bang, O., 2016, Proceedings of the 25th International Conference on Plastic Optical Fibers 2016. p. 264-268

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
194 Downloads (Pure)

Temperature insensitive hysteresis free highly sensitive polymer optical fiber Bragg grating humidity sensor

Woyessa, G., Nielsen, K., Stefani, A., Markos, C. & Bang, O., 2016, In : Optics Express. 24, 2, p. 1206-1213

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
562 Downloads (Pure)

Zeonex Microstructured Polymer Optical Fibre Bragg Grating Sensor

Woyessa, G., Fasano, A., Markos, C., Rasmussen, H. K. & Bang, O., 2016, Photonics and Fiber Technology 2016. Optical Society of America (OSA), p. 2 AW3C.4.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2015

Dynamic gate algorithm for multimode fiber Bragg grating sensor systems

Ganziy, D., Jespersen, O., Woyessa, G., Rose, B. & Bang, O., 2015, In : Applied Optics. 54, 18, p. 5657-5661

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

Fabry-Perot micro-structured polymer optical fibre sensors for opto-acoustic endoscopy

Broadway, C., Gallego, D., Woyessa, G., Pospori, A., Carpintero, G., Bang, O., Sugden, K. & Lamela, H., 2015, Proceedings of SPIE . SPIE - International Society for Optical Engineering, Vol. 9531. p. 1-9 953116. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9531).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
206 Downloads (Pure)

Humidity insensitive step-index polymer optical fibre Bragg grating sensors

Woyessa, G., Fasano, A., Stefani, A., Markos, C., Nielsen, K., Rasmussen, H. K. & Bang, O., 2015, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 9634. 4 p. 96342L. (Proceedings of the SPIE - The International Society for Optical Engineering, Vol. 9634).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
245 Downloads (Pure)

Long term strain behavior of PMMA based polymer optical fibers

Bundalo, I-L., Nielsen, K., Woyessa, G. & Bang, O., 2015, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 9634. 4 p. 96347Y. (Proceedings of the SPIE - The International Society for Optical Engineering, Vol. 9634).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
191 Downloads (Pure)

Polymer Optical Fibre Sensors for Endoscopic Opto-Acoustic Imaging

Broadway, C., Gallego, D., Woyessa, G., Pospori, A., Bang, O., Webb, D. J., Carpintero, G. & Lamela, H., 2015, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 9539. 7 p. 953907. (Proceedings of the SPIE - The International Society for Optical Engineering, Vol. 9539).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
370 Downloads (Pure)

Production and Characterization of Polycarbonate Microstructured Polymer Optical Fiber Bragg Grating Sensor

Fasano, A., Woyessa, G., Stajanca, P., Markos, C., Stefani, A., Nielsen, K., Rasmussen, H. K., Krebber, K. & Bang, O., 2015, Proceedings of the 24th International Conference on Plastic Optical Fibers. 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
393 Downloads (Pure)

The effect of humidity on annealing of polymer optical fibre bragg gratings

Woyessa, G., Nielsen, K. & Bang, O., 2015, Proceedings of 24th International Conference on Plastic Optical Fibers. p. 39-42 (24th International Conference on Plastic Optical Fibers, Pof 2015 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review