No photo of Kristian Nielsen
  • Ørsteds Plads, 343, 022

    2800 Kgs. Lyngby

    Denmark

20082020
If you made any changes in Pure these will be visible here soon.

Research Output 2009 2019

2019

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

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

87 Downloads (Pure)

An offshore reservoir monitoring system based on fiber optic sensing of seabed strains

Levenberg, E., Orozova-Bekkevold, I. & Nielsen, K., 2018, Radical Innovation : Results of the Radical Innovation Sprint 2017. Centre for Oil and Gas - DTU, p. 13-23

Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

Open Access
File

Bragg Grating Inscription With Low Pulse Energy in Doped Microstructured Polymer Optical Fibers

Min, R., Ortega, B., Nielsen, K., Bang, O. & Marques, C., 2018, In : Ieee Sensors Letters. 2, 2, 4 p., 5000604.

Research output: Contribution to journalJournal articleResearchpeer-review

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

295 Downloads (Pure)

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

Fast Inscription of Long Period Gratings in Microstructured Polymer Optical Fibers

Min, R., Marques, C., Nielsen, K., Bang, O. & Ortega, B., 1 Mar 2018, In : IEEE Sensors Journal. 18, 5, p. 1919-1923

Research output: Contribution to journalJournal articleResearchpeer-review

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

Annealing and etching effects on strain and stress sensitivity of polymer optical fibre Bragg grating sensors

Pospori, A., Marques, C. A. F., Sáez-Rodríguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2017, POF 2016 - 25th International Conference on Plastic Optical Fibres, Conference Proceedings. University of Aston in Birmingham, p. 260-263 4 p.

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

436 Downloads (Pure)

Bandpass transmission filters based on phase shifted fiber Bragg gratings in microstructured polymer optical fibers

Ortega, B., Min, R., Sáez-Rodri­guez, D., Mi, Y., Nielsen, K. & Bang, O., 2017, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 10232. 11 p. 1023209. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10232).

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

Open Access
File

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

225 Downloads (Pure)

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
589 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
24 Downloads (Pure)

Monitoring Seabed Subsidence with Optical Fiber Sensing – A Feasibility Study

Levenberg, E., Orozova-Bekkevold, I. & Nielsen, K., 2017.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access
File
100 Downloads (Pure)

Optical measuring system with an interrogator and a polymer-based single-mode fibre optic sensor system

Nielsen, K. & Bang, O., 8 Jun 2017, IPC No. G01D 5/ 353 A I, Patent No. WO2017093458, 8 Jun 2017, Priority date 2 Dec 2015, Priority No. EP20150197578

Research output: Patent

Open Access
File

Portable polymer optical fibre cleaver

Sáez-Rodríguez, D., Min, R., Ortega, B., Nielsen, K., Bang, O. & Webb, D. J., 1 Jan 2017, Proceedings of 25th International Conference on Plastic Optical Fibres, Conference Proceedings. Scully, P., Sugden, K. & Webb, D. J. (eds.). University of Aston in Birmingham, p. 100-104 (POF 2016 - 25th International Conference on Plastic Optical Fibres, Conference Proceedings).

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

373 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

Thermal and chemical treatment of polymer optical fiber Bragg grating sensors for enhanced mechanical sensitivity

Pospori, A., Marques, C. A. F., Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2017, In : Optical Fiber Technology. 36, p. 68-74

Research output: Contribution to journalJournal articleResearchpeer-review

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
217 Downloads (Pure)

3-D printed sensing patches with embedded polymer optical fibre Bragg gratings

Zubel, M. G., Sugden, K., Saez-Rodriguez, D., Nielsen, K. & Bang, O., 2016, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 9916. 4 p. 99162E. (Proceedings of S P I E - International Society for Optical Engineering, Vol. 9916).

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

Open Access
File
367 Downloads (Pure)

Annealing effects on strain and stress sensitivity of polymer optical fibre based sensors

Pospori, A., Marques, C. A. F., Zubel, M. G., Sáez-Rodríguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2016, Proceedings of the Spie. SPIE - International Society for Optical Engineering, Vol. 9886. 7 p. 98860V. (Proceedings of S P I E - International Society for Optical Engineering, Vol. 9886).

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

Open Access
File
340 Downloads (Pure)

Aviation Fuel Gauging Sensor Utilizing Multiple Diaphragm Sensors Incorporating Polymer Optical Fiber Bragg Gratings

Marques, C. A. F., Pospori, A., Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2016, In : I E E E Sensors Journal. 16, 15, p. 6122-6129

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
52 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

Compact multichannel demultiplexer for WDM-POF networks based on spatially overlapped FBGs

Saez-Rodriguez, D., Nielsen, K., Bang, O. & Ortega, B., 2016, In : Electronics Letters. 52, 8, p. 635-636

Research output: Contribution to journalJournal articleResearchpeer-review

164 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

Embedding silica and polymer fibre Bragg gratings (FBG) in plastic 3D-printed sensing patches

Zubel, M. G., Sugden, K., Webb, D. J., Sáez-Rodríguez, D., Nielsen, K. & Bang, O., 2016, Proceedings of the Spie . SPIE - International Society for Optical Engineering, Vol. 9886. 12 p. 98860N . (Proceedings of S P I E - International Society for Optical Engineering).

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

483 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

Fuel level sensor based on polymer optical fiber Bragg gratings for aircraft applications

Marques, C. A. F., Pospori, A., Sáez-Rodríguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2016, Proceedings of the Spie . SPIE - International Society for Optical Engineering, Vol. 9886. 8 p. 98860W. (Proceedings of S P I E - International Society for Optical Engineering).

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

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

138 Downloads (Pure)

Passive and Portable Polymer Optical Fiber Cleaver

Saez-Rodriguez, D., Min, R., Ortega, B., Nielsen, K. & Webb, D. J., 2016, In : I E E E Photonics Technology Letters. 28, 24, p. 2834-2837

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

Sensitivity enhancement using annealed polymer optical fibre based sensors for pressure sensing applications

Pospori, A., Marques, C. A. F., Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2016, Proceedings of SPIE . SPIE - International Society for Optical Engineering, Vol. 9916. 99160E. (Proceedings of S P I E - International Society for Optical Engineering).

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

311 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
406 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
2015
251 Downloads (Pure)

Angle dependent Fiber Bragg grating inscription in microstructured polymer optical fibers

Bundalo, I-L., Nielsen, K. & Bang, O., 2015, In : Optics Express. 23, 3, p. 3699-3707

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

Antiresonant guiding in a poly(methyl-methacrylate) hollow-core optical fiber

Markos, C., Nielsen, K. & Bang, O., 2015, In : Journal of Optics. 17, 10, 8 p., 105603.

Research output: Contribution to journalJournal articleResearchpeer-review

Challenges in higher order mode Raman amplifiers

Rottwitt, K., Nielsen, K., Friis, S. M. M. & Usuga Castaneda, M. A., 2015, Proceedings of Optical Fiber Communication Conference and Exposition 2015. IEEE, 3 p.

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

382 Downloads (Pure)

Compound parabolic concentrator optical fiber tip for FRET-based fluorescent sensors

Hassan, H. U., Nielsen, K., Aasmul, S. & Bang, O., 2015, Proceedings of SPIE. Kalinowski, H. J., Fabris, J. L. & Bock, W. J. (eds.). SPIE - International Society for Optical Engineering, Vol. 9634. 4 p. 96346I . (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9634).

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

Open Access
File
309 Downloads (Pure)

Dielectric tube waveguides with absorptive cladding for broadband, low-dispersion and low loss THz guiding

Bao, H., Nielsen, K., Bang, O. & Jepsen, P. U., 2015, In : Scientific Reports. 5, 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

Fast Fiber Bragg Grating Inscription in the Undoped Microstructured Polymer Optical Fibers

Bundalo, I-L., Nielsen, K. & Bang, O., 2015. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

2536 Downloads (Pure)

Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis

Marques, C. A. F., Pospori, A., Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2015, Proceedings of SPIE. SPIE - International Society for Optical Engineering, Vol. 9634. 4 p. 96345V. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9634).

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

Open Access
File

High performance liquid-level sensor based on mPOFBG for aircraft applications

Marques, C. A. F., Pospori, A., Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2015, 2015 IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) . IEEE, p. 56 1 p.

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

161 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
110 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
59 Downloads (Pure)

Optical sensor for measuring humidity, strain and temperature.

Nørregaard, J. & Nielsen, K., 3 Dec 2015, IPC No. G02B 6/ 12 A I, Patent No. WO2015181155, 3 Dec 2015, Priority date 26 May 2014, Priority No. EP20140169826

Research output: Patent

Open Access
File

Pmma fiber viscoelasticity in extremely low frequency regime

Bundalo, I-L., Nielsen, K. & Bang, O., 2015, 24th International Conference on Plastic Optical Fibers, Pof 2015 - Conference Proceedings. p. 257-260 (24th International Conference on Plastic Optical Fibers, Pof 2015 - Conference Proceedings).

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

257 Downloads (Pure)

Polymer optical fiber compound parabolic concentrator tip for enhanced coupling efficiency for fluorescence based glucose sensors

Hassan, H. U., Nielsen, K., Aasmul, S. & Bang, O., 2015, In : Biomedical Optics Express. 6, 12, 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
364 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

Simple Room Temperature Method for Polymer Optical Fibre Cleaving

Saez-Rodriguez, D., Nielsen, K., Bang, O. & Webb, D. J., 2015, In : Journal of Lightwave Technology. 33, 23, p. 4712-4716 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

236 Downloads (Pure)

Tapering of Polymer Optical Fibers for Compound Parabolic Concentrator Fiber Tip Fabrication

Hassan, H. U., Fasano, A., Nielsen, K., Aasmul, S., Rasmussen, H. 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

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