Publications:

2024

Q. Bian, H. Zhu, P. Yan, Y. Yu, F. Buchfellner, A. Stadler, A. Roehrl, W. Koch, and J. Roths, “Characterization of high-temperature performance of a sapphire fiber Bragg grating with a single-mode demodulation system,” IEEE Sensors J., 24 (7), 10138–10143. (2024) DOI: 10.1109/JSEN.2024.3366230


2023

F. Buchfellner, Q. Bian, F. Moos, J. Nicolai, F. Zhang, W. Hu, M. Yang, A. W. Koch, J. Roths, “Intra-spectral temperature-compensated FBG sensors for hydrogen detection and beyond,” Optica Sensing Congress in Munich (Optica Publishing Group, 2023), paper STh3D.2

Q. Bian, F. Dutz, M. Lindner, F. Buchfellner, A. Stadler, M. Jakobi, A. W. Koch, J. Roths, “Regenerated Fiber Bragg Gratings in Large Mode Area Fibers for High-temperature Sensing;” Journal of Lightwave Technology, 2023, DOI: 10.1109/JLT.2023.3241861

F. Buchfellner, Q. Bian, W. Hu, X. Hu, M. Yang, A. W. Koch, J. Roths, „Temperature-decoupled hydrogen sensing with Pi-shifted fiber Bragg gratings and a partial palladium coating;” Optics Letters 48, 2023, DOI: 10.1364/OL.474083


2022

Q. Bian, C. Bauer, A. Stadler, F. Buchfellner, M. Jakobi, W. Volk, A. W. Koch, J. Roths, „Monitoring strain evolution and distribution during the casting process of AlSi9Cu3 alloy with optical fiber sensors,” Journal of Alloys and Compounds 935, 2022, DOI: 10.1016/j.jallcom.2022.168146

F. Buchfellner, A. Stadler, Q. Bian, M. Hennesen, A. Zeisberger, A. W. Koch, J. Roths, "Generalized and wavelength-dependent temperature calibration function for multipoint regenerated fiber Bragg grating sensors," Opt. Express 30, 2022, DOI: 10.1364/OE.470093

X. Hu, W. Hu, J. Dai, H. Ye, F. Zhang, M. Yang, F. Buchfellner, Q. Bian, B. Hopf, J. Roths, "Performance of Fiber-optic Hydrogen Sensor Based on Locally-coated π-shifted FBG," in IEEE Sensors Journal, 2022, DOI: 10.1109/JSEN.2022.3220772

A. Stadler, F. Buchfellner, A. Zeisberger, M. Jakobi, A. W. Koch, and J. Roths, "Verification of the mechanical integrity of regenerated fiber Bragg gratings (RFBGs) by shaker tests for their use as high-temperature sensors in gas turbines," in 27th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2022), paper W4.33, DOI: 10.1364/OFS.2022.W4.33

Q. Bian, C. Bauer, A. Stadler, F. Buchfellner, M. Jakobi, W. Volk, A. W. Koch, and J. Roths, "Investigation of Strain Behavior during Aluminum Casting Process with Regenerated Fiber Bragg Grating Arrays," in 27th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2022), paper W2.4, DOI: 10.1364/OFS.2022.W2.4

F. Buchfellner, S. Fiedler, M. Danalache, C. Daniel, Q. Bian, B. Trautwein, U. K. Hofmann, and J. Roths, "Micro-Indentation on Bovine and Human Cartilage with Phase-shifted Fiber Bragg Gratings in PM Fibers," in 27th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2022), paper Th1.4, DOI: 10.1364/OFS.2022.Th1.4

Q. Bian, A. Podhrazsky, C. Bauer, A. Stadler, F. Buchfellner, R. Kuttler M. Jakobi, W. Volk, A.W. Koch, and J. Roths, “Temperature and external strain sensing with metal-embedded optical fiber sensors for structural health monitoring” Optics Express, Vol. 30 No. 17 DOI: 10.1364/OE.459459


2021

Q. Bian, C. Bauer, A. Stadler, M. Lindner, M. Jakobi, W. Volk, A.W. Koch, and J. Roths, “In-Situ High Temperature and Large Strain Monitoring During a Copper Casting Process Based on Regenerated Fiber Bragg Grating Sensors.” Journal of Lightwave Technology, 39(20): pp. 6660-6669, DOI: 10.1109/JLT.2021.3101524

M. Lindner, A. Stadler, G. Hamann, B. Fischer, M. Jakobi, F. Heilmeier, C. Bauer, W. Volk, A.W. Koch, and J. Roths, “Fiber Bragg Sensors Embedded in Cast Aluminum Parts: Axial Strain and Temperature Response”. Sensors, 21(5): p. 1680. (2021), DOI: 10.3390/s21051680

Q. Bian, C. Bauer, A. Stadler, M. Jakobi, A. Koch, and J. Roths, “Multipoint temperature monitoring based on a regenerated fiber Bragg grating temperature sensor array in copper casting”. Proc.SPIE, 11591: p. 115910U. (2021), DOI: 10.1117/12.2588600

A. Stadler, M. Lindner, Q. Bian, G. Hamann, C. Bauer, W. Volk, M. Jakobi, A. Koch, and J. Roths, “Decoupled temperature and strain measurement with regenerated fiber Bragg gratings during an aluminum casting process”. Proc.SPIE, 11591: p. 115912D. (2021), DOI: 10.1117/12.2588926

L. Polz, F.J. Dutz, R.R.J. Maier, H. Bartelt, and J. Roths, “Regenerated fibre Bragg gratings: A critical assessment of more than 20 years of investigations”. Optics & Laser Technology, 134: p. 106650 (2021), DOI: 10.1016/j.optlastec.2020.106650


2020

B. Hartmann, G. Marchi, P. Alberton, Z. Farkas, A. Aszodi, J. Roths, and H. Clausen-Schaumann, “Early Detection of Cartilage Degeneration: A Comparison of Histology, Fiber Bragg Grating-Based Micro-Indentation, and Atomic Force Microscopy-Based Nano-Indentation”. International Journal of Molecular Sciences, 21(19): p. 7384. (2020), DOI: 10.3390/ijms21197384 .

F.J. Dutz, S. Boje, U. Orth, A. W. Koch, J. Roths, “High-temperature profile monitoring in gas turbine exhaust-gas diffusors with six-point fiber-optic sensor array”. Int. J. Turbomach. Propuls. Power, 5, 25, (2020), DOI: 10.3390/ijtpp5040025

M. Lindner, D. Bernard, F. Heilmeier, M. Jakobi, W. Volk, A. W. Koch, and J. Roths, "Transition from purely elastic to viscoelastic behavior of silica optical fibers at high temperatures characterized using regenerated Bragg gratings, Opt. Express 28, 7323-7340 (2020), DOI: 10.1364/OE.384402


2019

M. Lindner, D. Bernard, F. Heilmeier, M. Jakobi, W. Volk, A. W. Koch, and J. Roths, "Transition from purely elastic to viscoelastic behavior of silica optical fibers at high temperatures characterized using regenerated Bragg gratings, Opt. Express 28, 7323-7340 (2020), DOI: 10.1364/OE.384402

F. J. Dutz, A. Heinrich, R. Bank, A. W. Koch, and J. Roths, "Fiber-Optic Multipoint Sensor System with Low Drift for the Long-Term Monitoring of High-Temperature Distributions in Chemical Reactors", Sensors, 19, 5476, DOI: 10.3390/s19245476, (2019)

G. Wang, S. Yang, J. Dai, Y. Dai, T. Zou, J. Roths, and M. Yang, “Investigations of Different Ion Intercalations on the Performance of FBG Hydrogen Sensors Based on Pt/MoO3”. Sensors, 19(21): p. 4775, (2019) DOI: 10.3390/s19214775

A.J. Kalahrodi, G. Marchi, J. Möller, S. Nolte, and J. Roths, “2D stiffness mapping for localizing osteoarthritic degenerated cartilage by using a fast indentation system based on fiber Bragg gratings”, Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors. 111990X, (2019) DOI: 10.1117/12.2539252

M., Lindner, D. Bernard, M. Jakobi, A.W. Koch, and J. Roths, “Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C” , Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119906, DOI: 10.1117/12.2539376 (2019)

G. Marchi, P. Foehr, V. Baier, R. W. Kinne, R. Burgkart, and J. Roths, “Discrimination between healthy and degenerated bovine articular cartilage with a fiber Bragg grating based microindenter.” Journal of the Mechanical Behavior of Biomedical Materials, 99, pp 11-17, DOI: 10.1016/j.jmbbm.2019.07.005 (2019) DOI: 10.1016/j.jmbbm.2019.07.005

G. Wang, Y. Qin, J. Dai, S. Yang, Y. Ma, T. Zou, J. Roths, and M. Yang, “Performance-enhanced optical fiber hydrogen sensors based on WO3-Pd2Pt-Pt composite film with controlled optical heating.” Optical Fiber Technology, 52, 101979, DOI: 10.1016/j.yofte.2019.101979, (2019)

S. Grohmann, M. Lindner, G. Langhans, J. Roths, and M. F. Zaeh, “Characterisation of the activation and reaction behaviour and determination of the emissivity of reactive nickel-aluminium particles with regenerated fibre Bragg gratings.” IOP Conf. Series: Materials Science and Engineering 480 012024, DOI: 10.1088/1757-899X/480/1/012024 (2019)

G. Marchi, P. Foehr, S. Consalvo, A. Javadzadeh-Kalarhodi, J. Lang, B. Hartmann, P. Alberton, A. Aszodi, R. Burgkart, and J. Roths, “Fiberoptic microindentation technique for early osteoarthritis diagnosis: an in vitro study on human cartilage”,Biomed Microdevices 21: 11, DOI: 10.1007/s10544-019-0359-z (2019)

F. Heilmeier, R. Koos, K. Weraneck, M. Lindner, M. Jakobi, J. Roths, A.W. Koch, and W. Volk, “In-situ strain measurements in the plastic deformation regime inside casted parts using fibre-optical strain sensors.” , Production Engineering, DOI: 10.1007/s11740-019-00874-7 (2019)

B. Hopf, B. Fischer, Bosselmann, T., A. W. Koch, J. Roths, “Strain-independent temperature measurements with surface-glued polarization-maintaining fiber Bragg grating sensor elements”, Sensors, 19, 144, DOI: 10.3390/s19010144 (2019)


2018

B. Bastola, B. Fischer, J. Roths, and A. Ruediger, "Qualitative photoluminescence study of defect activation in telecommunication fibers and Bragg gratings in hydrogen-loaded fibers." Optical Materials, 81: pp. 134-139, DOI: 10.1016/j.optmat.2018.05.026 (2018)

M. Lindner, E. Tunc, K. Weraneck, F. Heilmeier, W. Volk, M. Jakobi, A. W. Koch, and J. Roths, "Regenerated Bragg grating sensor array for temperature measurements during an aluminum casting process."IEEE Sensors Journal: 18, 13, pp. 5352-5360, DOI: 10.1109/jsen.2018.2837164 (2018)

F. J. Dutz, M. Lindner, A. Heinrich, C.G. Seydel, T. Bosselmann, A. W. Koch, and J. Roths, "Multipoint high temperature sensing with regenerated fiber Bragg gratings," Proc. SPIE Vol. 10654, 1065407, DOI: 10.1117/12.2305300 (2018)

F. J. Dutz, V. Stephan, G. Marchi, A. W. Koch, J. Roths, and H.P. Huber, "Fabrication of locally micro-structured fiber Bragg gratings by fs-laser machining," Applied Physics A, 124(6): p. 426, DOI: 10.1007/s00339-018-1840-x (2018)

B. Hopf, F.J. Dutz, T. Bosselmann, M. Willsch, A. W. Koch, and J. Roths, "Iterative matrix algorithm for high precision temperature and force decoupling in multi-parameter FBG sensing," Optics Express, vol. 26, pp. 12092-12105, DOI: 10.1364/OE.26.012092 (2018)

G. Marchi, O. Canti, V. Baier, W. Micallef, B. Hartmann, P. Alberton, A. Aszodi, H. Clausen-Schaumann, and J. Roths, “Cartilage microindentation using cylindrical and spherical optical fiber indenters with integrated Bragg gratings as force sensors,” Proceedings of SPIE Vol. 10496, 104960Z-2, DOI: 10.1117/12.2289493, (2018)


2017

B. Hopf, B. Fischer, M. Lindner, A. W. Koch and J. Roths, "A three-dimensional FEM model with experimentally determined material parameters of an FBG sensor element in a Panda-type fiber," Journal of Lightwave Technology, 36, 4, 1076-1083, DOI: 10.1109/JLT.2017.2755598 (2017)

J. Oelhafen T. Mayr, F. Dorner, K. Moutzouris, J. Roths and K. Drechsler, "Fiber optic measurement system for Fresnel reflection sensing: Calibration, uncertainty and exemplary application in temperature-modulated isothermal polymer curing," Journal of Lightwave Technology, accepted for publication, 36, 4, 939-945, DOI: 10.1109/JLT.2017.2757525 (2017)

B. Bastola, B. Fischer, J. Roths, and A. Ruediger, “Raman microstructural investigation of optical fiber at elevated temperature”, Optical Engineering, 56, 097104-1 – 097104-5, DOI: 10.1117/1.OE.56.9.097104 (2017)

G. Marchi, V. Baier, P. Alberton, P. Foehr, R. Burgkart, A. Aszodi, H. Clausen-Schaumann, and J. Roths, “Microindentation sensor system based on an optical fiber Bragg grating for the mechanical characterization of articular cartilage by stress-relaxation”, Sensors and Actuators B: Chemical, 252, 440-449 (2017) DOI: 10.1016/j.snb.2017.05.156

B. Bastola, B. Fischer, J. Roths, A. Ruediger, "In-situ Raman investigation of optical fiber glass structural changes at high temperature" , Proceedings of SPIE Vol. 10208, 102080L (2017) DOI: 10.1117/12.2262993

B. Fischer, B. Hopf, M. Lindner, A. W. Koch, and J. Roths, "Verification of a three-dimensional FEM model for FBGs in PANDA fibers by transversal load experiments", Proceedings of SPIE Vol. 10323, 103232B (2017), DOI: 10.1117/12.2263262

M. Lindner, B. Hopf, A. W. Koch, and J. Roths, "Three-dimensional FEM model of FBGs in PANDA fibers with experimentally determined model parameters", Proceedings of SPIE Vol. 10323, 103232A (2017), DOI: 10.1117/12.2263261

J. Oelhafen T. Mayr, K. Moutzouris, J. Roths, and K. Drechsler, "Calibration and uncertainty of a fibre optic measurement system for Fresnel reflectometer sensors", Proceedings of SPIE Vol. 10323, 103235O (2017), DOI: 10.1117/12.2260877

V. Baier, G. Marchi, P. Föhr, R. Burgkart, and J. Roths, "Characterization of bovine cartilage by fiber Bragg grating-based stress relaxation measurements", Proceedings of SPIE Vol. 10323, 103230G (2017), DOI: 10.1117/12.2263453


2016

K. Weraneck, F. Heilmeier, M. M. Lindner Graf, M. Jakobi, W. Volk, J. Roths, and A. Koch, “Strain measurement in aluminium alloy during the solidification process using embedded fibre Bragg gratings“, Sensors, 16(11), 1853 (2016)

L. Polz, A. Zeisberger, H. Bartelt, and J. Roths, “Total temperature measurement of fast air streams with fibre-optic Bragg grating sensors”, IEEE Sensors Journal, 16(17), 6596-6603, (2016)

G. Marchi, V. Stephan, F. Dutz, B. Hopf, P. Leonhard, H.P. Huber, and J. Roths, “Femtosecond laser machined micro-structured fiber Bragg grating for simultaneous temperature and force measurements”, Journal of Lightwave Technology, 34(19), 4557-4563, (2016)

B. Hopf, A. W. Koch, and J. Roths, “Nonlinear temperature dependence of glue-induced birefringence in polarization maintaining FBG sensors”, Proc. of SPIE 99160M-99160M-4, (2016)

B. Hopf, A. W. Koch, and J. Roths, “Iterative matrix inversion technique for simultaneous strain and temperature sensing in an extended temperature range”, Proc. of SPIE 99160O-99160O-4, (2016)

F. J. Dutz, G. Marchi, V. Stephan, H.P. Huber, and J. Roths, “Force and temperature characteristics of a fs-laser machined locally micro-structured FBG”, Proc. of SPIE 991621-991621-4, (2016)

G. Marchi, V. Stephan, F.J. Dutz, H.P. Huber, and J. Roths, “Stress tuneable phase shifts of femtosecond-laser microstructured FBG for indentation measurements of biological tissue: experimental and theoretical investigation”, Proc. of SPIE, 98860P-98860P-8, (2016)

L. Polz, B. Hopf, A. Jarsen, M. Eitzenberger, M. Lindner, H. Bartelt, and J. Roths, "Regenerated Bragg gratings in Panda fibres for simultaneous temperature and force measurements at high temperatures", Journal of Lightwave Technology, 34(19), 4550-4556, (2016)

B. Hopf, A. W. Koch, and J. Roths, "Temperature dependence of glue-induced birefringence in surface-attached FBG strain sensors", Journal of Lightwave Technology, 34(4), 1220-1227, (2016)


2015

G. Marchi, V. Stephan, H. Huber, and J. Roths, "Laser structured fibre Bragg gratings as enhanced force sensors", Proc. of SPIE 9634, 24th International Conference on Optical Fibre Sensors, Curitiba, Brazil, 963458-963458-4, (2015)

L. Polz, A. Jarsen, H. Bartelt, and J. Roths, Birefringence properties of a polarization maintaining Panda fibre during Bragg grating regeneration, Proc. of SPIE 9634, 24th International Conference on Optical Fibre Sensors, Curitiba, Brazil, 96345Q-96345Q-4, (2015)

Marchi G., Jost M., Steinkopff, A. Prein, C., Aszodi A., Clausen-Schaumann H., and J. Roths, "All optical indentation probe for the endoscopic diagnosis of osteoarthritis", Proc. of SPIE 9529, Conference on Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, Munich, Germany, 95291A-95291A-9, (2015)


2014

B. Hopf, A. Daitche, D. Helminger, H. Mack, and J. Roths, "Bonding technique for FBG strain sensors in an operable temperature range from minus 40°C to 120’°C", Scientific Reports/Wissenschaftliche Berichte Hochschule Mittweida, 4, p. 16-19, (2014)

L. Polz, F. J. Dutz, R. Kuttler, and J. Roths, "Temperature calibration of regenerated fibre Bragg gratings in the range from 150°C to 800°C", Scientific Reports/Wissenschaftliche Berichte Hochschule Mittweida, 4, p. 12-15, (2014)

A. Daitche, G. Marchi, R. Kuttler, D. Helminger, and J. Roths, "Comparative investigations on strain sensitivities of different types of optical FBG-based strain sensors", Proceedings of Sensors and Measuring Systems 2014; 17. ITG/GMA Symposium; p. 1-4,VDE Verlag, Berlin, (2014)

L. Polz, A. Dörfler, H. Bartelt, and J. Roths, "Regeneration experiments with fibre Bragg gratings in hydrogen out-diffused fibres", Proc. SPIE. 9157, 91577F, p. 1-4, (2014)

L. Polz, A. T. Berghaus, M. Klose, A. Zeisberger, H. Bartelt, and J. Roths, "Miniaturized total temperature probe based on fibre Bragg gratings", Proc. SPIE 9157, p. 1-4, 91579F (2014)

D. Helminger, A. Daitche, and J. Roths, "Glue-induced birefringence in surface-attached FBG strain sensors", Proc. SPIE. 9157, 91577B, p. 1-4, (2014)


2013

L. Polz, Q. Nguyen, H. Bartelt, and J. Roths, "Two regimes of grating regeneration in hydrogen loaded photosensitive fiber." Proc. SPIE 8794, 879420 (2013)

L. Polz, Q. Nguyen, H. Bartelt, and J. Roths, "Fiber Bragg gratings in hydrogen-loaded photosensitive fiber with two regeneration regimes." Optics Communications, 313(0): p. 128-133. (2014)

B. Berrang, L. Polz, R. Kuttler, J. Bartschke, and J. Roths, "FBG inscription in non-hydrogenated SMF28 fiber with a ns Q-switched Nd:VO4 laser at 213 nm." Proc. SPIE 8794, 87941Z, (2013)

F. Jülich, L. Aulbach, A. Wilfert, P. Kratzer, R. Kuttler, and J. Roths, "Gauge factors of fibre Bragg grating strain sensors in different types of optical fibres." Measurement Science and Technology, 24(9): p. 094007. (2013)


2012

J. Roths, L. Aulbach, A. Wilfert, P. Kratzer, F. Jülich, and R. Kuttler, "Comparison of strain sensitivities of free and attached FBG strain sensors," Proc. SPIE 8421, 8421BM (2012)

B. Berrang,F. Jülich, R. Kuttler, and J. Roths, "Analysis of the inscription process of FBGs in a Panda-type high birefringent fiber”, Book of abstracts of International Student Conference on Photonics 2012, Sinaia, Romania, (2012)

P. Singh, F. Jülich, and J. Roths, "Polarization dependence of the strain sensitivity of fiber Bragg gratings inscribed in highly birefringent optical fibers," Proc. SPIE 8439, 84391S, (2012)

F. Jülich, Koch, A. W., and J. Roths, “Fabrication of Fibre-Bragg-Gratings in high birefringent optical fibres,” tm - Technisches Messen, 79(1), 52-59 (2012)


2011

M. Küper, M. Thurling, R. Stefanescu, S. Maderwald, J. Roths, H.G. Elles, M.E. Ladd, J. Diedrichsen, and D. Timmann, "Evidence for a motor somatotopy in the cerebellar dentate nucleus-an fMRI study in humans". Hum Brain Mapp. (2011)

L. Aulbach, R. Kuttler, F. Jülich, and J. Roths, "The influence of protection layers on the strain sensitivity of FBG-based strain sensors", Scientific Reports/Wissenschaftliche Berichte Hochschule Mittweida, (2011)

Freudling, M.,F. Jülich, R. Kuttler, U. Müller, J. Both, und J. Roths, "Bestimmung der thermischen Ausdehnung von Strukturen mittels applizierter FBG-Sensoren“ Scientific Reports/Wissenschaftliche Berichte Hochschule Mittweida, (2011)

Waimer, S.,F. Jülich, R. Kuttler, and J. Roths, "Force and Torque Sensor based on fibre Bragg gratings", Scientific Reports/Wissenschaftliche Berichte Hochschule Mittweida, (2011)

F. Jülich; A. W. Koch; J. Roths, "Fabrication of Fibre-Bragg-Gratings in various high birefringent optical fibres for advanced FBG sensing applications. " In: Proc. of OPTO 2011, 07.-08.06.2011, Nürnberg, Germany, (2011)


2010

M. Küper, A. Dimitrova, M. Thürling, S. Maderwald, J. Roths, H. G. Elles, Gizewski, E. R., Ladd, M. E., Diedrichsen, J., Timmann, D., "Evidence for a motor and a non-motor domain in the human dentate nucleus — An fMRI study", NeuroImage, 54(4), 2612-2622, (2010), DOI: 10.1016/j.neuroimage.2010.11.028

A. Heßke; M. S. Müller.; T. C. Buck; A. W. Koch; F. Jülich; J. Roths, "Preliminary results of an experimental verification of shear strain influence on fiber Bragg grating reflection spectra. " In: Photonics India 2010, Guwahati, Indien, 11.-15.12.2010, (2010)

J. Roths, A. Wilfert, P. Kratzer,F. Jülich, R. Kuttler, "Strain calibration of optical FBG-based strain sensors" Proc. SPIE 7653, 76530F (2010)

A. Wilfert, P. Kratzer,F. Jülich, R. Kuttler, J. Roths, "Kalibrierung von optischen Faser-Bragg-Dehnungssensoren" Proceedings of Sensoren und Messsysteme, Nürnberg, (2010)

F. Jülich, J. Roths, "Comparison of transverse strain sensitivities of fibre Bragg gratings in different types of optical fibres", Proc. SPIE 7726, 77261N (2010)

U. C. Mueller, J. Both, J. Roths, H. Baier, "High-precision thermal strain measurements using surface-mounted fiber Bragg grating sensors" in smart sensor phenomena, Technology, Networks, and Systems 2010, edited by Kara J. Peters, Wolfgang Ecke, Theodore E. Matikas, Proc. SPIE 7648, 764807 (2010)


2009

J. Roths, Th. Hülsenbusch, "Comparison of temperature coefficients of fiber Bragg gratings inscribed in different types of optical fibers",1st ESA Workshop on 'Fibre Optic Sensing for Space Applications', (2009)

F. Jülich and J. Roths, "Determination of the effective refractive index of various single mode fibres for fibre Bragg grating sensor applications", Proceedings OPTO 2009 and IRS² 2009, pp 119-124 (2009)


2008

M. Süßer, J. Roths, "Optical system for level measurement in small volumes", Proceedings of ICEC 22-ICMC 2008, pp. 469-472, Seoul, (2008)

J. Roths, M. Süßer, "Investigations on fiber Bragg cryogenic temperature sensors", Proceedings of ICEC 22-ICMC 2008, pp. 473-478, Seoul, (2008)

J. Roths, P. Kratzer, "Vergleich zwischen optischen Faser-Bragg-Gitter-Dehnungssensoren und elektrischen Dehnungsmessstreifen", Technisches Messen 75, pp 647-654, (2008)

J. Roths, P. Kratzer, F. Jülich und R. Kuttler "Genauigkeitsaspekte von optischen Faser-Bragg-Dehnungssensoren", Wissenschaftliche Berichte Hochschule Mittweida, 5, pp 6-9, (2008)

J. Roths, F. Jülich, "Determination of strain sensitivity of free fiber Bragg gratings" in Optical Sensors 2008, edited by Francis Berghmans, Anna G. Mignani, Antonello Cutolo, Proceedings of SPIE Vol. 7003, 700308 (2008).

J. Roths, P. Kratzer, "Intercomparison of optical FBG-based strain sensors and resistive strain gages", Proceedings, OPTO2008, pp 57-62, (2008)


2007

J. Roths, A. Horoschenkoff, "Characterization of optical strain gages for large-scale strains in the test laboratory", HOTline 2/2007, pp 8-9, (2007).

J. Roths, “Messplatz zur Charakterisierung von optischen Faser-Bragg-Gitter-Sensoren”, 16th testXpo, Ulm, pp 42-46, (2007), (in German).

A. Horoschenkoff, J. Roths, “Structurally integrated strain sensors”, JEC Composites Magazine, 31, pp 100-101, (2007).


2006

J. Roths, G. Andrejevic, R. Kuttler, M. Süßer, “Calibration of fiber Bragg cryogenic temperature sensors,” TuE81, in 18th International Optical Fiber Sensors Conference, Cancun, Mexico - Technical Digest, (2006).

J. Roths, A. Andrejevic, R. Kuttler, M. Süßer, “Characteristics of fiber Bragg gratings at cryogenic temperatures”, Proc. OPTO 2006, Nürnberg, Germany, pp131-134, (2006).


2005 und früher

J. Roths, C. Sudan, R. Kuttler, and C. Gerz, “Robust interrogation system for fiber Bragg grating sensors“, Proceedings CLEO/Europe, Munich, Germany, pp 461-466, (2005).

J. Roths, C. Sudan, R. Kuttler, C. Gerz, “High precision, low-cost interrogation system for fiber Bragg grating sensors”, DGaO Proceedings, Worclaw, (2005).

J. Roths, M. Breinbauer, B. Hilber, C. Gerz, I. Koltchanov, K. Petermann, "Interferometric displacement measurements performed with a self-mixing microinterferometer" in Optical Inspection and Micromeasurements II, edited by Christophe Gorecki, Proceedings of SPIE Vol. 3098 pp. 411-421 (1997).

I. Koltchanov, K. Petermann, J. Roths, "New modulation technique for unambiguous measurements of phase changes in diode laser interferometers" in Optical Inspection and Micromeasurements II, edited by Christophe Gorecki, Proceedings of SPIE Vol. 3098 pp. 325-333 (1997).

H. Fischer, J. Bonifer, J. P. Burrows, D. Klemp, U. Parchatka, J. Rohts, C. Schiller, T. Zenker, R. Zitzelsberger, and G. W. Harris, “Development and application of multi-laser TDLAS instruments for ground-based, shipboard and airborne measurements of trace gases in the troposphere”, in Instrument Development for Atmospheric Research and Monitoring, Transport and Chemical Transformation of Pollutants in the Troposphere, Vol. 8, edited by J. Bösenberg, D. Brassington, and P. C. Simon, Springer, Berlin (1997).

J. Roths, V. Klein, B. Hilber, „Troposphärische Windmessungen mit einem Doppler-LIDAR“ in Verhandlungen der Deutschen Physikalischen Gesellschaft, Q12, Umweltmesstechnik (1997)

J. Roths, T. Zenker, U. Parchatka, F. Wienhold, G. W. Harris, „FLAIR, a four laser airborne infrared spectrometer for atmospheric trace gas measurements“, Appl. Opt. 35, 7075-7084 (1996).

J. Roths, R. Busen, „Development of a laser in situ airborne hygrometer (LISAH)“, Infrared Physics and Technology, 37, 33-38, (1996).

H. Fischer, R. Zitzelsberger, T. Zenker, J. Roths, D. Trapp, H. Harder, A. Volz-Thomas, and G. W. Harris, “Development and application of multi-laser TDLAS for groundbased, shipboard and airborne measurements in the troposphere: Filed intercomparisons with other methods for CO, HCHO and NO2”, Proceedings of the EUROTRAC Symposium ’96, Eidtors: P. M. Borell, P. Borell, T. Civitas, K. Kelly, and W. Seiler, pp. 693-696, Computational Mechanics Publications, Southampton, (1996).

J. Roths, B. Hilber, V. Klein, R. Heilmann, C. Werner, „Development fo an all solid-state eye-safe Doppler wind lidar“, 18th International Laser Radar Conference, Berlin (1996).

V. Klein, B. Hilber, J. Roths, „Spatial monitoring of atmospheric boundary layer by an eye-safe solid-state Doppler LIDAR - a versatile support for meteorological airport monitoring“ 18th International Laser Radar Conference, Berlin, (1996).

J. Roths, V. Klein, B. Hilber, R. Heilmann, „Spatial monitoring of atmospheric boundary layer winds by Doppler lidar“ in: Advances in Atmospheric Remote Sensing with Lidar, Ansmann, A., Neuber, R., Rairoux, P., Wandiger, U., (Eds.), Springer-Verlag, Berlin, (1996).

J. Roths, G. W. Harris, „The tropospheric distribution of carbon monoxide as observed during the TROPOZ II experiment“, J. Atm. Chem., 24, 121-140, (1996).

J. Roths; V. Klein; B. Hilber; R. Heilmann, “Tropospheric wind profiling with Doppler lidar”, CLEO/Europe, pp. 220-220, (1996).

B. Hilber, V. Klein, R. Heilmann, J. Roths, „Tm:YAG Festkörperlasersystem in einer Master-Slave-Konfiguration mit injection-seeding“, Verhandlungen der Deutschen Physikalischen Gesellschaft, Quantenoptik, Jena, (1996).

J. Roths, G. W. Harris, „Tropospheric profiles of CO, H2O2, HCHO and NO2, measured by in situ airborne tunable diode laser absorption spectroscopy“, proceedings of the EUROTRAC Symposium ’96, Editors: P. M. Borell, P. Borell, T. Civitas, K. Kelly, and W. Seiler, pp. 693-696, Computational Mechanics Publications, Southampton, 1996.

V. Klein J. Roths, M. Resch, M. Erhard, B. Hilber, R. Heilmann, C. Werner, J. Streicher, „The ODIN Doppler wind lidar, a new tool for meteorological airport surveillance“, Coherent Laser Radar, Keystone, Colorado, (1995).

J. Roths, H. Rippel, K. T. V. Grattan, A. W. Palmer, R. Addy, „The application of self-mixing interference (SMI) in semi-conductor lasers for displacement measurements“, final report on EC project FA-6033-91, (1994).

V. Klein; J. Roths, M. Erhard, M. Resch, C. Werner, R. Heilmann, J. Streicher, „ODIN, a new tool for terminal wind monitoring“, 3th International Symposium on Tropospheric Profiling: Needs and Technologies“, Hamburg, (1994).

V. Klein, J. Roths, M. Erhard, M. Resch, C. Werner, R. Heilmann, J. Streicher, „ODIN, a new approach for meteorological airport surveillance“, 17th International Laser Radar Conference, Sendai, Japan, (1994)

J. Roths, G. W. Harris, „Airborne trace gas measurements by tuneable diode laser spectroscopy during the TROPOZ-II experiment“, American Geophysical Union, fall meeting, (1992).

J. Roths, T. Zenker, Harris G. W., „Measurements of tropospheric composition using a four laser airborne TDLAS instrument“, 3rd International Symposium on Monitoring of Gaseous Pollutants by Tunable Diode Lasers, Freiburg, Germany, (1991).

Ch. Gerz, J. Roths, F. Vedel, G. Werth, “Lifetime and collisional depopulation of the metastable 5 D 3/2-state of Yb+”, Zeitschrift für Physik D Atoms, Molecules and Clusters, 8, pp.235-237 (1988).



letzte Aktualisierung: 16.01.19