Overview
Background
Dr. Karl Bertling has made significant contributions to pioneering imaging and sensing via laser feedback interferometry, spanning diverse laser technologies including sensors based on visible lasers, infrared surface-emitting lasers, mid-infrared inter-band cascade lasers, and terahertz quantum cascade lasers. His current research focus includes leveraging terahertz quantum cascade laser feedback interferometry for early melanoma detection and agri-photonics, as well as near-field terahertz and mid-infrared imaging of nanomaterials and nanostructures.
Availability
- Dr Karl Bertling is:
- Available for supervision
Fields of research
Qualifications
- Bachelor of Science in Physics, The University of Queensland
- Bachelor (Honours) of Engineering - Electrical, The University of Queensland
- Masters (Research) of Engineering - Electrical, The University of Queensland
- Doctor of Philosophy, The University of Queensland
Works
Search Professor Karl Bertling’s works on UQ eSpace
2016
Conference Publication
Laser feedback interferometry with THz QCLs: a new technology for imaging and materials analysis
Rakić, Aleksandar D., Agnew, Gary, Qi, Xiaoqiong, Taimre, Thomas, Grier, Andrew, Lim, Yah Leng, Bertling, Karl, Ikonić, Zoran, Valavanis, Alexander, Dean, Paul, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Wilson, Stephen J., Linfield, Edmund H., Davies, A. Giles, Harrison, Paul and Indjin, Dragan (2016). Laser feedback interferometry with THz QCLs: a new technology for imaging and materials analysis. The 8th International Symposium on Ultrafast Phenomena and Terahertz Waves, Chongqing, China, 10–12 October 2016. Washington, DC, United States: Optical Society of America. doi: 10.1364/ISUPTW.2016.IW4A.1
2016
Conference Publication
Prediction of Turn-on Delay in a Pulsed Terahertz Quantum Cascade Laser
Agnew, G., Grier, A., Taimre, T., Lim, Y. L., Bertling, K., Ikonic, Z., Valavanis, A., Dean, P., Cooper, J., Khanna, S. P., Lachab, M., Linfield, E. H., Davies, A. G., Harrison, P., Indjin, D. and Rakić, A. D. (2016). Prediction of Turn-on Delay in a Pulsed Terahertz Quantum Cascade Laser. Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2016), Sydney, Australia, 12-14 December 2016.
2016
Conference Publication
Terahertz Frequency Quantum Cascade Lasers: Optical Feedback Effects and Applications
Rakic, Aleksandar, Agnew, Gary, Qi, Xiaoqiong, Taimre, Thomas, Lim, Yah Leng, Bertling, Karl, Han, She, Wilson, Stephen J., Grier, Andrew, Kundu, Iman, Li, Lianhe, Valavanis, Alexander, Dean, Paul, Ikonic, Zoran, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Linfield, Edmund H., Davies, A. Giles, Harrison, Paul and Indjin, Dragan (2016). Terahertz Frequency Quantum Cascade Lasers: Optical Feedback Effects and Applications. 16th International Conference on Numerical Simulation of Optoelectronic Devices, Sydney, Australia, 11-15 July 2016. NEW YORK: IEEE. doi: 10.1109/NUSOD.2016.7546996
2016
Conference Publication
Spectral characterisation of a Terahertz QCL through self-mixing
Keeley, J., Freeman, J., Valavanis, A., Mohandas, R., Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Li, L. H., Indjin, D., Rakic, Aleksandar, Linfield, E. H., Davies, A. G. and Dean, P. (2016). Spectral characterisation of a Terahertz QCL through self-mixing. International Quantum Cascade Lasers School and Workshop 2016 (IQCLSW 2016), Cambridge, UK, 4-9 September 2016.
2016
Conference Publication
Diffuse reflectance imaging for non-melanoma skin cancer detection using laser feedback interferometry
Mowla, Alireza, Taimre, Thomas, Lim, Yah L., Bertling, Karl, Wilson, Stephen J., Prow, Tarl W., Soyer, H. Peter and Rakić, Aleksandar D. (2016). Diffuse reflectance imaging for non-melanoma skin cancer detection using laser feedback interferometry. SPIE Photonics Europe, Brussels, Belguim, 3-7 April 2016. BELLINGHAM: SPIE. doi: 10.1117/12.2227449
2016
Conference Publication
Interferometry via thermal modulation in low duty cycle pulsed terahertz QCLs
Agnew, Gary, Grier, Andrew, Taimre, Thomas, Lim, Yah Leng, Bertling, Karl, Ikonić, Zoran, Valavanis, Alexander, Dean, Paul, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Linfield, Edmund H., Davies, A. Giles, Harrison, Paul, Indjin, Dragan and Rakić, Aleksandar D. (2016). Interferometry via thermal modulation in low duty cycle pulsed terahertz QCLs. International Quantum Cascade Lasers School and Workshop 2016 (IQCLSW 2016), Cambridge, United Kingdom, 4 September – 9 September 2016.
2015
Journal Article
Terahertz Radar Cross Section Characterization using Laser Feedback Interferometry with a Quantum Cascade Laser
Lui, H. S., Taimre, T., Bertling, K., Lim, Y. L., Dean, P., Khanna, S. P., Lachab, M, Valavanis, A., Indjin, D., Linfield, E. H., Davies, A. G. and Rakic, A. D. (2015). Terahertz Radar Cross Section Characterization using Laser Feedback Interferometry with a Quantum Cascade Laser. Electronics Letters, 51 (22), 1774-1776. doi: 10.1049/el.2015.2878
2015
Journal Article
Multiple signal classification for self-mixing flowmetry
Nikolic, Milan, Lim, Yah Leng, Bertling, Karl, Taimre, Thomas and Rakic, Aleksandar (2015). Multiple signal classification for self-mixing flowmetry. Applied Optics, 54 (9), 2193-2198. doi: 10.1364/AO.54.002193
2015
Journal Article
Active phase-nulling of the self-mixing phase in a terahertz frequency quantum cascade laser
Dean, P., Keeley, J., Valavanis, A., Bertling, K., Lim, Y. L., Taimre, T., Alhathlool, R., Li, L. H., Indjin, D., Rakić, A. D., Linfield, E. H. and Davies, A. G. (2015). Active phase-nulling of the self-mixing phase in a terahertz frequency quantum cascade laser. Optics Letters, 40 (6), 950-953. doi: 10.1364/OL.40.000950
2015
Journal Article
Three-dimensional terahertz imaging using swept-frequency feedback interferometry with a quantum cascade laser
Keeley, J., Dean, P., Valavanis, A., Bertling, K., Lim, Y. L., Alhathlool, R., Taimre, T., Li, L. H., Indjin, D., Aleksandar, A. D., Linfield, E. H. and Davies, A. G. (2015). Three-dimensional terahertz imaging using swept-frequency feedback interferometry with a quantum cascade laser. Optics Letters, 40 (6), 994-997. doi: 10.1364/OL.40.000994
2015
Conference Publication
Effect of the optical system on the Doppler spectrum in laser-feedback interferometry
Mowla, Alireza, Nikolić, Milan, Taimre, Thomas, Tucker, John, Lim, Yah Leng, Bertling, Karl and Rakić, Aleksandar (2015). Effect of the optical system on the Doppler spectrum in laser-feedback interferometry. Washington, DC, United States: Optical Society of America. doi: 10.1364/AO.54.000018
2014
Journal Article
High-contrast coherent terahertz imaging of porcine tissue via swept-frequency feedback interferometry
Lim, Yah Leng, Taimre, Thomas, Bertling, Karl, Dean, Paul, Indjin, Dragan, Valavanis, Alexander, Khanna, Suraj P., Lachab, Mohammad, Schaider, Helmut, Prow, Tarl W., Soyer, H. Peter, Wilson, Stephen J., Linfield, Edmund H., Davies, A. Giles and Rakic, Aleksandar D. (2014). High-contrast coherent terahertz imaging of porcine tissue via swept-frequency feedback interferometry. Biomedical Optics Express, 5 (11), 3981-3989. doi: 10.1364/BOE.5.003981
2014
Journal Article
Biomedical applications of terahertz self-mixing interferometry
Rakic, Aleksandar, Karl Bertling, Yah Leng Lim, Wilson, Stephen J., Milan Nikolic, Thomas Taimre, Dragan Indjin, Alexander Valavanis, Edmund H. Linfield, A. Giles Davies, Graeme Walker, Blake Ferguson, Tarl Prow, Helmut Schaider and Soyer, H. Peter (2014). Biomedical applications of terahertz self-mixing interferometry. SPIE Newsroom doi: 10.1117/2.1201409.005613
2014
Journal Article
Laser dynamics under frequency-shifted optical feedback with random phase
Nikolic, M., Taimre, T., Tucker, J., Lim, Yah Leng, Bertling, K. and Rakic, A. D. (2014). Laser dynamics under frequency-shifted optical feedback with random phase. Electronics Letters, 50 (19), 1380-1382. doi: 10.1049/el.2014.2573
2014
Journal Article
Terahertz imaging using quantum cascade lasers: a review of systems and applications
Dean, P., Valavanis, A., Keeley, J., Bertling, K., Lim, Y. L., Alhathlool, R., Burnett, A. D., Khanna, S. P., Indjin, D., Taimre, T., Rakić, A. D., Linfield, E. H, and Davies, A. G. (2014). Terahertz imaging using quantum cascade lasers: a review of systems and applications. Journal of Physics D: Applied Physics, 47 (37) 374008, 374008.1-374008.22. doi: 10.1088/0022-3727/47/37/374008
2014
Other Outputs
A laser system for imaging and materials analysis
Rakic, Aleksandar, Dean, Paul , Giles Davies, Alexander , Indjin, Dragan , Linfield, Edmund Harold , Wilson, Stephen J., Taimre, Thomas , Bertling, Karl and Lim, Yah Leng (2014). A laser system for imaging and materials analysis. WO2015024058 A1.
2014
Journal Article
Methodology for materials analysis using swept-frequency feedback interferometry with terahertz frequency quantum cascade lasers
Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Dean, Paul, Indjin, Dragan and Rakic, Aleksandar D. (2014). Methodology for materials analysis using swept-frequency feedback interferometry with terahertz frequency quantum cascade lasers. Optics Express, 22 (15), 18633-18647. doi: 10.1364/OE.22.018633
2014
Journal Article
Solving self-mixing equations for arbitrary feedback levels: a concise algorithm
Kliese, Russel, Taimre, Thomas, Bakar, A. Ashrif A., Lim, Yah Leng, Bertling, Karl, Nikolić, Milan, Perchoux, Julien, Bosch, Thierry and Rakić, Aleksandar D. (2014). Solving self-mixing equations for arbitrary feedback levels: a concise algorithm. Applied Optics, 53 (17), 3723-3736. doi: 10.1364/AO.53.003723
2014
Journal Article
Terahertz inverse synthetic aperture radar imaging using self-mixing interferometry with a quantum cascade laser
Lui, H. S., Taimre, T., Bertling, K., Lim, Y. L., Dean, P., Khanna, S. P., Lachab, M., Valavanis, A., Indjin, D., Linfield, E. H., Davies, A. G. and Rakic, A. D. (2014). Terahertz inverse synthetic aperture radar imaging using self-mixing interferometry with a quantum cascade laser. Optics Letters, 39 (9), 2629-2632. doi: 10.1364/OL.39.002629
2014
Journal Article
Self-mixing sensing system based on uncooled vertical-cavity surface-emitting laser array: linking multichannel operation and enhanced performance
Tucker, John R., Mowla, Alireza, Herbert, Jeremy, Fuentes, Miguel A., Freakley, Craig S., Bertling, Karl, Lim, Yah Leng, Matharu, Ranveer S., Perchoux, Julien, Taimre, Thomas, Wilson, Stephen J. and Rakic, Aleksandar D. (2014). Self-mixing sensing system based on uncooled vertical-cavity surface-emitting laser array: linking multichannel operation and enhanced performance. Optics Letters, 39 (2), 394-397. doi: 10.1364/OL.39.000394
Supervision
Availability
- Dr Karl Bertling is:
- Available for supervision
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Supervision history
Current supervision
-
Doctor Philosophy
Engineering the Next Generation of Broadband Terahertz Technologies
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
Doctor Philosophy
Investigation and design of passive modules for Terahertz Quantum Cascade Lasers (QCL) imaging system
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
Doctor Philosophy
Application of non-contact THz spectroscopic imaging towards preservation of heritage structures in India
Associate Advisor
Other advisors: Professor Aleksandar Rakic
-
Doctor Philosophy
Application of non-contact THz spectroscopic imaging towards preservation of heritage structures in India
Associate Advisor
Other advisors: Professor Aleksandar Rakic
Completed supervision
-
2022
Doctor Philosophy
Light-matter interactions at the nanoscale: a case for terahertz near-field spectroscopy in semiconductor nanodevices
Associate Advisor
Other advisors: Professor Aleksandar Rakic
Media
Enquiries
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