The University of Queensland

Coherent Terahertz laser feedback interferometry for hydration sensing in leaves

Kashyap, Mayuri, Torniainen, Jari, Bertling, Karl, Kundu, Urbi, Singh, Khushboo, Donose, Bogdan, Gillespie, Tim, Lim, Yah Leng, Indjin, Dragan, Li, Lian He, Linfield, Edmund, Davies, Giles, Dean, Paul, Smith, Millicent, Chapman, Scott, Bandyopadhyay, Aparajita, Sengupta, Amartya and Rakic, Aleksandar (2023). Coherent Terahertz laser feedback interferometry for hydration sensing in leaves. Optics Express, 31 (15), 23877-23888. doi: 10.1364/oe.490217

Comparison of physical and system factors impacting hydration sensing in leaves using terahertz time-domain and quantum cascade laser feedback interferometry imaging

Singh, Khushboo, Bandyopadhyay, Aparajita, Bertling, Karl, Lim, Yah Leng, Gillespie, Tim, Indjin, Dragan, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul, Rakić, Aleksandar D. and Sengupta, Amartya (2023). Comparison of physical and system factors impacting hydration sensing in leaves using terahertz time-domain and quantum cascade laser feedback interferometry imaging. Sensors, 23 (5) 2721. doi: 10.3390/s23052721

Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasers

Qi, Xiaoqiong, Bertling, Karl, Stark, Mitchell S., Taimre, Thomas, Kao, Yung-Ching, Lim, Yah Leng, Han, She, O'Brien, Blake, Collins, Angus, Walsh, Michael, Torniainen, Jari, Gillespie, Timothy, Donose, Bogdan C., Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan, Soyer, H. Peter and Rakic, Aleksandar D. (2023). Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasers. Biomedical Optics Express, 14 (4), 1393-1410. doi: 10.1364/boe.480615

Terahertz quantum cascade laser under optical feedback: effects of laser self-pulsations on self-mixing signals

Qi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Agnew, Gary, Leng Lim, Yah, Gillespie, Tim, Demić, Aleksandar, Dean, Paul, He Li, Lian, Linfield, Edmund H., Giles Davies, A., Indjin, Dragan and Rakić, Aleksandar D. (2021). Terahertz quantum cascade laser under optical feedback: effects of laser self-pulsations on self-mixing signals. Optics Express, 29 (24), 39885-39894. doi: 10.1364/oe.437861

Terahertz imaging with self-pulsations in quantum cascade lasers under optical feedback

Qi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Gillespie, Tim, Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan and Rakić, Aleksandar D. (2021). Terahertz imaging with self-pulsations in quantum cascade lasers under optical feedback. APL Photonics, 6 (9) 091301, 091301. doi: 10.1063/5.0056487

Observation of optical feedback dynamics in single-mode terahertz quantum cascade lasers: Transient instabilities

Qi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Agnew, Gary, Lim, Yah Leng, Gillespie, Tim, Robinson, Ashley, Brünig, Michael, Demić, Aleksandar, Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan and Rakić, Aleksandar D. (2021). Observation of optical feedback dynamics in single-mode terahertz quantum cascade lasers: Transient instabilities. Physical Review A, 103 (3) 033504, 033504-1-033504-7. doi: 10.1103/physreva.103.033504

Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers

Lim, Yah Leng, Bertling, Karl, Taimre, Thomas, Gillespie, Tim, Glenn, Chris, Robinson, Ashley, Indjin, Dragan, Han, Yingjun, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul and Rakić, Aleksandar D. (2019). Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers. Optics Express, 27 (7), 10221-10233. doi: 10.1364/oe.27.010221

Hydration imaging with THz Quantum Cascade Lasers: Towards Precision Agriculture

Bertling, K., Kashyap, M., Torniainen, J., Kundu, U., Singh, K., Gillespie, T., Lim, Y. L., Dean, P., Indjin, D., Han, Y., Li, L., Sengupta, A., Bandyopadhyay, A., Davies, A.G., Linfield, E. H. and Rakić, A. D. (2022). Hydration imaging with THz Quantum Cascade Lasers: Towards Precision Agriculture. Conference on Optoelectronlc and Microelectronic Materials and Devices, Adelaide, SA Australia, 11-16 December 2022.

New Applications of THz Waves in Precision Agriculture

Bertling, Karl, Singh, Khushboo, Bandyopadhyay, Aparajita, Lim, Yah Leng, Gillespie, Tim, Indjin, Dragan, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Paul Dean, Amartya Sengupta and Aleksandar D. Rakic (2021). New Applications of THz Waves in Precision Agriculture. 8th Australian THz Workshop, Sydney, NSW, Australia, 3 December 2021.

Self-pulsations in re-injected terahertz quantum cascade lasers

Qi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Gillespie, Tim, Dean, Paul, Lian He Li, Edmund H. Linfield, A. Giles Davies, Dragan Indjin and Rakic, Aleksandar D. (2021). Self-pulsations in re-injected terahertz quantum cascade lasers. 8th Australian THz Workshop, Sydney, NSW Australia, 3 December 2021.

Sub-surface damage detection in marble structures using THz time domain and laser feedback interferometric imaging techniques

Bandyopadhyay, Aparajita, Bertling, Karl, Garg, Diksha, Singh, Khushboo, Gillespie, Timothy, Lim, Yah Leng, Li, Lianhe, Dean, Paul, Indjin, Dragan, Linfield, Edmund, Giles Davies, A, Rakic, Aleksandar D. and Sengupta, Amartya (2021). Sub-surface damage detection in marble structures using THz time domain and laser feedback interferometric imaging techniques. SPIE Optical Metrology 2021, Online, 21 - 25 June 2021. Bellingham, WA United States: SPIE. doi: 10.1117/12.2592548

Monitoring water dynamics in plants using laser feedback interferometry

Singh, Khushboo, Bandyopadhyay, Aparajita, Bertling, Karl, Lim, Yah Leng, Gillespie, Tim, Robinson, Ashley, Indjin, Dragan, Han, Yingjun, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul, Rakic, Aleksandar D. and Sengupta, Amartya (2020). Monitoring water dynamics in plants using laser feedback interferometry. Conference on Lasers and Electro-Optics/Pacific Rim 2020, Sydney, Australia, 3–5 August 2020. Washington, DC, United States: OSA. doi: 10.1364/cleopr.2020.c12b_4