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
2010
Conference Publication
A novel self-mixing sensor architecture using a PLL for noise immunity
Zigenbine, Ezra, Kliese, Russell, Bertling, Karl and Rakic, Aleksandar D. (2010). A novel self-mixing sensor architecture using a PLL for noise immunity. 2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), Canberra, ACT, Australia, 12-15 December, 2010. Piscataway, NJ, U.S.A.: Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/COMMAD.2010.5699800
2010
Conference Publication
Analysis of nanometer displacement measurement using the self-mixing technique based on VCSEL
Bakar, A. A. A., Bertling, K., Kliese, R., Lim, Y. L. and Rakic, A. D. (2010). Analysis of nanometer displacement measurement using the self-mixing technique based on VCSEL. 2010 International Conference On Nanoscience and Nanotechnology (ICONN), Sydney, NSW, Australia, 22-26 February 2010. Piscataway, NJ, United States: IEEE (Institute for Electrical and Electronic Engineers). doi: 10.1109/ICONN.2010.6045269
2009
Journal Article
Self-mixing imaging sensor using a monolithic VCSEL array with parallel readout
Lim, Yah Leng, Nikolic, Milan, Bertling, Karl, Kliese, Russell and Rakic, Aleksandar, D. (2009). Self-mixing imaging sensor using a monolithic VCSEL array with parallel readout. Optics Express, 17 (7), 5517-5525. doi: 10.1364/OE.17.005517
2009
Conference Publication
Parallel self-mixing flow sensor using monolithic VCSEL array
Lim, Yah Leng, Kliese, Russell, Bertling, Karl, Tanimizu, Katsuyoshi, Jacobs, Peter A and Rakić, A. D. (2009). Parallel self-mixing flow sensor using monolithic VCSEL array. The 14th OptoElectronics and Communications Conference, Hong Kong, China, 13-17 July 2009. Piscataway, U.S.: IEEE. doi: 10.1109/OECC.2009.5215719
2009
Conference Publication
Temperature and current dependence of doppler SNR in a VCSEL based self-mixing sensor
Matharu, Ranveer, Lim, Yah Leng, Kliese, Russell, Bertling, Karl, A. Bakar, A. Ashrif, Perchoux, Julien and Rakic, Aleksandar (2009). Temperature and current dependence of doppler SNR in a VCSEL based self-mixing sensor. The 8th Annual IEEE Conference on Sensors, Christchurch, New Zealand, 25 - 28 October, 2009. Piscatawa, NJ, U.S.A.: IEEE Sensors Council. doi: 10.1109/ICSENS.2009.5398259
2008
Journal Article
Monitoring the electrical properties of the back silicon interface of silicon-on-sapphire wafers
Domyo, H., Bertling, K., Ho, T., Kistler, N., Imthurn G., Stuber, M., Rakic, A.D. and Yeow, Y. T. (2008). Monitoring the electrical properties of the back silicon interface of silicon-on-sapphire wafers. IEEE Electron Device Letters, 29 (4), 325-327. doi: 10.1109/LED.2008.918263
2008
Conference Publication
Self-mixing displacement sensing using the junction voltage variation in a GaN laser
Kliese, Russell, Lim, Yah Leng, Bertling, Karl, Bakar, A. Ashrif A., Bosch, Thierry and Rakic, Aleksandar D. (2008). Self-mixing displacement sensing using the junction voltage variation in a GaN laser. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, 28th July - 1st August, 2008. Piscataway, NJ, USA: IEEE. doi: 10.1109/COMMAD.2008.4802083
2008
Conference Publication
Linewidth measurement of vertical-cavity surface-emitting lasers under feedback using the self-mixing technique
A. Bakar, A. A., Taimre, T., Lim, Y. L., Bertling, K, Kliese, R. and Rakić, A. D. (2008). Linewidth measurement of vertical-cavity surface-emitting lasers under feedback using the self-mixing technique. 2008 International Conference on Electronics Materials, Sydney , Australia, 28 July - 1 August 2008.
2008
Conference Publication
Origin of the low frequency type curve in silicon-on-sapphire MOS capacitors
Domyo, H., Bertling, K., Ho, T., Kistler, N., Imthurn, G., Stuber, M., Rakic, A. D. and Yeow, Y-T. (2008). Origin of the low frequency type curve in silicon-on-sapphire MOS capacitors. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, 28th July - 1st August, 2008. Piscataway, NJ, USA: IEEE. doi: 10.1109/COMMAD.2008.4802108
2008
Conference Publication
A parallel self-mixing sensor using 12-channel monolithic VCSEL array
Lim, Y.L., Bertling, K., Nikolic, M., Kliese, R, A. Bakar, A. Ashrif and Rakić, A.D. (2008). A parallel self-mixing sensor using 12-channel monolithic VCSEL array. 2008 International Conference on Nanoscience and Nanotechnology, Melbourne, Australia, 25-29 February, 2008.
2008
Conference Publication
Parallel self-mixing flow sensor using monolithic VCSEL array
Lim, Yah Leng, Kliese, Russell, Bertling, Karl and Rakić, A. D. (2008). Parallel self-mixing flow sensor using monolithic VCSEL array. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, 28 July - 1 August, 2008. Piscataway, U.S.: IEEE. doi: 10.1109/COMMAD.2008.4802093
2008
Conference Publication
Measuring VCSEL linewidth enhancement factor using the self-mixing technique
A Bakar, A. A., Bertling, K, Kliese, R., Lim, Y. L., Rakić, A. D. and Taimre, T. (2008). Measuring VCSEL linewidth enhancement factor using the self-mixing technique. 2008 International Conference on Nanoscience and Nanotechnology, Melbourne, Australia, 25-29 February, 2008. New York, U.S.: IEEE.
2008
Conference Publication
Parameter extraction for silicon-on-sapphire MOSFETs by using inverse modelling of capacitance measurements
Bertling, K., Domyo, H., Kim, Y.T., Ho, T., Rakic, A.D. and Yeow, Y-T (2008). Parameter extraction for silicon-on-sapphire MOSFETs by using inverse modelling of capacitance measurements. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, 28 July - 1 August, 2008. Piscataway NJ USA: IEEE.
2007
Conference Publication
Numerical modelling study of the sensitivity of SOS MOSFET characteristics to silicon film thickness and back surface trapped charge variation
Bertling, K., Rakic, A.D. and Yeow, Y.T. (2007). Numerical modelling study of the sensitivity of SOS MOSFET characteristics to silicon film thickness and back surface trapped charge variation. 2006 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, WA, 6-8 December, 2006. Piscataway, NJ, USA: IEEE. doi: 10.1109/COMMAD.2006.4429937
2007
Conference Publication
Fluid flow rate measurement using the change in laser junction voltage due to the self-mixing effect
Tucker, J.R., Lim, Y.L., Bertling, K., Rakic, A.D. and Zvyagin, A.V. (2007). Fluid flow rate measurement using the change in laser junction voltage due to the self-mixing effect. 2006 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, WA, 6-8 December, 2006. Piscataway, NJ, USA: IEEE. doi: 10.1109/COMMAD.2006.4429913
2006
Journal Article
Lasers - An effective artificial source of radiation for the cultivation of anoxygenic photosynthetic bacteria
Bertling, K., Hurse, T. J., Kappler, U. and Rakic, A. D. (2006). Lasers - An effective artificial source of radiation for the cultivation of anoxygenic photosynthetic bacteria. Biotechnology and Bioengineering, 94 (2), 337-345. doi: 10.1002/bit.20881
2006
Conference Publication
Displacement and Distance Measurement using the Change in Junction Voltage Across a Laser Diode Due to the Self-Mixing Effect
Lim, Yah Leng, Bertling, Karl, Rio, Pierre, Tucker, J. R. and Rakic, A. D. (2006). Displacement and Distance Measurement using the Change in Junction Voltage Across a Laser Diode Due to the Self-Mixing Effect. SPIE International Symposium on Microelectronics, MEMS, and Nanotechnology, Brisbane, Australia, 12-15 December, 2005. Washington, USA: SPIE - International Society for Optical Engineering. doi: 10.1117/12.638433
2005
Conference Publication
Cultivation of Photosynthetic Bacteria Using Vertical-Cavity Surface-Emitting Lasers
Bertling, Karl, Hurse, Timothy J., Kappler, Ulrike and Rakic, Aleksandar D. (2005). Cultivation of Photosynthetic Bacteria Using Vertical-Cavity Surface-Emitting Lasers. IEEE (Institute of Electrical and Electronics Engineering) LEOS (Lasers and Electro-Optics Society) 2005 Annual Meeting, Sydney, Australia, 23 - 27 October, 2005. Piscataway, NJ, USA: Institute of Electrical and Electronics Engineering (IEEE). doi: 10.1109/LEOS.2005.1547931
2005
Other Outputs
Use of lasers for the cultivation of photosynthetic bacteria
Bertling, Karl (2005). Use of lasers for the cultivation of photosynthetic bacteria. MPhil Thesis, School of Information Technology and Electrical Engineering, The University of Queensland. doi: 10.14264/bd09d4b
2004
Journal Article
Optimum Injection Current Waveform for a Laser Range Finder Based on the Self-Mixing Effect
Bertling, Karl, Rakic, Aleksandar D. and Tucker, John R. (2004). Optimum Injection Current Waveform for a Laser Range Finder Based on the Self-Mixing Effect. Proceedings of SPIE, 5277, 334-345.
Funding
Current funding
Past funding
Supervision
Availability
- Dr Karl Bertling is:
- Available for supervision
Looking for a supervisor? Read our advice on how to choose a supervisor.
Supervision history
Current supervision
-
Doctor Philosophy
Understanding contrast mechanisms of absorption spectroscopy of skin DNA solutions using biomolecule dynamics
Associate Advisor
Other advisors: Dr Tina Qi
-
Doctor Philosophy
Engineering Beam Profiles in Terahertz Quantum Cascade Lasers: An Electromagnetic Approach
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
Completed supervision
-
2025
Doctor Philosophy
Terahertz imaging using optical feedback in quantum cascade lasers
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
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
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