Selected Proceedings & Presentations:
2023​

1. Ally-Khan Somani, James Tweel, Ben Ecclestone, John R. Mackey, Parsin Haji Reza, “Total‐absorption photoacoustic remote sensing (TA‐PARS) microscopy provides high-resolution label-free skin images.” 25th World Congress of Dermatology, Singapore, 2023. (Talk).
   
2. Ben Ecclestone, James Tweel, Marian Boktor, Deepak Dinakaran, John R. Mackey, Parsin Haji Reza, “Label-Free Histological Imaging with Photon Absorption Remote Sensing (PARS).” Photonics North 2023 (Talk).
   
3. James Tweel, Ben Ecclestone. Marian Boktor, Kevan Bell, Parsin Haji Reza, “Label-free automated whole slide imaging system for histopathological assessment of tissue with photoabsorption remote sensing.” SPIE Photonics West 2023. (Talk).
   
4. Marian Boktor, Ben Ecclestone, Vladimir Pekar, Deepak Dinakaran, John R. Mackey, Paul Fieguth, Parsin Haji Reza, “Toward automated deep learning-based virtual histological staining of slide-free photon absorption photoacoustic remote sensing (PARS). SPIE Photonics West 2023. (Talk).
   
5. James A. Tummon Simmons, Nima Abbasi, Ben Ecclestone, Parsin Haji Reza, “Label-free vasculature imaging using total absorption photoacoustic remote sensing.” SPIE Photonics West 2023. (Talk).
   
6. Ben Ecclestone, James Tweel, Marian Boktor, Krystal Li, Lixin Chu, Hager Gaouda, Kevan Bell, Deepak Dinakaran, Parsin Haji Reza, "Virtual histology with total-absorption photoacoustic remote sensing microscopy.” SPIE Photonics West 2023. (Talk).
   
7. Ben Ecclestone, James Tweel, Krystal Li, Hager Gaouda, Kevan Bell, Deepak Dinakaran, Muba Taher, John R. Mackey, Parsin Haji Reza, “ Exploration of photoacoustic remote sensing virtual histology in skin malignancies.” SPIE Photonics West 2023. (Talk).
   

2022

1. Nima Abbasi, James Tummon Simmons, Parsin Haji Reza," A dual-modal photoacoustic remote sensing and optical coherence tomography system for in-vivo non-contact functional and structural imaging in ophthalmic tissues.” Photonics North 2022 (Talk).
2. Alkris Warren and Parsin Haji Reza, “All-optical forward-viewing photoacoustic remote sensing endoscope for high resolution label-free imaging in vivo.” Photonics North 2022 (Talk).
3. Lyazzat Mukhangaliyeva, Samed Kocer, Alkris Warren, Marian Boktor, Kevan Bell, Eihab Abdel-Rahman, Parsin Haji Reza, “Focus Control in Photoacoustic Remote Sensing (PARS).” Photonics North 2022 (Talk).
4. Benjamin Ecclestone, Kevan Bell, James Tweel, Marian Boktor, Deepak Dinakaran, Vlad Pekar, John Mackey, Parsin Haji Reza, “Label Free Histology with Total Absorption Photoacoustic Remote Sensing (TA-PARS). Photonics North 2022 (Invited Talk)
5. James Tweel, Benjamin Ecclestone, Marian Boktor, Deepak Dinakaran, Vlad Pekar, Muba Taher, John Mackey, Parsin Haji Reza, “Clinical Validation of Photoacoustic Remote Sensing Histology in Skin Malignancies” Photonics North 2022 (Talk).
6. Marian Boktor, Benjamin Ecclestone, Vlad Pekar, Deepak Dinakaran, John Mackey, Paul Fieguth, Parsin Haji Reza,“ Deep Learning-Based Virtual H&E Staining of Label-Free Total Absorption Photoacoustic Remote Sensing. Photonics North 2022 (Talk).
7. James Tummon Simmons,  Zohreh Hosseinaee, Nicholas Pellegrino, Nima Abbasi, James Tweel, Paul Fieguth, Parsin Haji Reza,“Functional Ophthalmic Imaging Using Photoacoustic Remote Sensing.” Photonics North 2022 (Talk). 
8. James Tweel, Nicholas Pellegrino, Benjamin Ecclestone, Paul Fieguth, Parsin Haji Reza, "Tissue-Specific Labelling using Temporal Feature Extraction in Photoacoustic Remote Sensing" Biophotonics Congress: Biomedical Optics 2022 (Talk).
9. Benjamin Ecclestone; Kevan Bell; Marian Boktor, Vlad Pekar; Deepak Dinakaran, John Mackey, Parsin Haji Reza, “Label-Free Histology with Total Absorption Photoacoustic Remote Sensing (TA-PARS).” Biophotonics Congress: Biomedical Optics 2022 (Talk).
10. Marian Boktor, Benjamin Ecclestone, Vlad Pekar; Deepak Dinakaran, John Mackey, Paul Fieguth; Parsin Haji Reza, “Deep-Learning-Based Virtual H&E Staining Using Total-Absorption Photoacoustic Remote Sensing (TA-PARS).” Biophotonics Congress: Biomedical Optics 2022 (Talk).
11. James Tummon Simmons, Nima Abbasi Firoozjah, James Tweel, Parsin Haji Reza, “Functional and Structural Ophthalmic Imaging using Photoacoustic Remote Sensing and Optical Coherence Tomography.” Biophotonics Congress: Biomedical Optics 2022 (Talk).
12. Samed Kocer , Lyazzat Mukhangaliyeva , Resul Saritas , Ahmet Gulsaran, Alaa Elhady, Kevan Bell, Amr Kamel, Mohamed Basha, Taylan Das, Muhammed Kayaharman, Parsin Hajireza, Mustafa Yavuz, and Eihab Abdel-Rahman." IEEE International Conference MEMS 2022 (Talk).
13. Kevan Bell and Parsin Haji Reza, "Improved sensitivity with angle-incidence photoacoustic remote sensing microscopy." SPIE Photonics West 2022 (Talk). 
14. Ben Ecclestone, Kevan Bell, Muba Taher, Deepak Dinakaran, John Mackey, Parsin Haji Reza, "Second Generation Photoacoustic Remote Sensing Virtual Histology. SPIE Photonics West 2022. (Talk).
15. Ben Ecclestone, Kevan Bell, Muba Taher, Deepak Dinakaran, John Mackey, Parsin Haji Reza, "Label-free histological imaging of skin cancers with photoacoustic remote sensing virtual histology." SPIE Photonics West 2022. (Talk).
16. James A Tummon Simmons, Benjamin R Ecclestone, Kevan L Bell, Parsin Haji Reza, "High-resolution mid-infrared imaging using detection defined photoacoustic remote sensing." SPIE Photonics West 2022. (Talk).
17. James A Tummon Simmons, Zohreh Hosseinaee, Nima Abbasi, Nicholas Pellegrino, Lyazzat Mukhangaliyeva, Layla Khalili, Tahereh Amiri, Parsin Haji Reza, "Functional and structural ophthalmic imaging using photoacoustic remote sensing and optical coherence tomography." SPIE Photonics West 2022. (Talk).
18. Kevan L. Bell, Benjamin Ecclestone, Parsin Haji Reza, "Towards single-wavelength photoacoustic remote sensing microscopy." SPIE Photonics West 2022. (Talk).
19. Marian Boktor, Nicholas Pellegrino, Benjamin R Ecclestone, Paul Fieguth, Parsin Haji Reza, "Virtual Labelling in Photoacoustic Remote Sensing Microscopy through Time-domain Feature Extraction." SPIE Photonics West 2022. (Talk).
20. Alkris Warren, Lyazzat Mukhangaliyeva, Parsin Haji Reza, "All-optical forward-viewing photoacoustic remote sensing endoscope for high resolution label-free vascular imaging in vivo." SPIE Photonics West 2022. (Talk).
21. Nima Abbasi Firoozjah, Zohreh Hosseinaee, Nicholas Pellegrino, Layla Khalili, Lyazzat Mukhangaliyeva, Parsin Haji Reza, "In-vivo non-contact functional and structural ophthalmic imaging using a dual-modal photoacoustic remote sensing and swept-source optical coherence tomography system." SPIE Photonics West 2022. (Talk).
22. Nima Abbasi Firoozjah, James A Tummon Simmons, Tahereh Amiri, Zohreh Hosseinaee, Nicholas Pellegrino, Parsin Haji Reza, "Towards in-vivo non-contact measurement of the metabolic rate of oxygen in ophthalmic tissues using a dual-modal photoacoustic remote sensing and swept-source optical coherence tomography imaging system." SPIE Photonics West 2022. (Talk).
23. Alkris Warren, Parsin Haji Reza, "All-optical real-time thermoscopy based on photoacoustic remote sensing." SPIE Photonics West 2022. (Talk).
24. Lyazzat Mukhangaliyeva, Zohreh Hosseinaee, Benjamin Ecclestone, Nicholas Pellegrino, Marian Boktor, Layla Khalili, Paul Fieguth, and Parsin Haji Reza, "Large field of view functional photoacoustic remote sensing microscopy using a stabilized temperature-regulated stimulated Raman scattering light source." SPIE Photonics West 2022. (Talk).
25. Lyazzat Mukhangaliyeva, Samed Kocer, Kevan Bell, Marian Boktor, Eihab Abdel-Rahman, Parsin Haji Reza, "Deformable mirror-based focus control in Photoacoustic Remote Sensing (PARS) microscopy." SPIE Photonics West 2022. (Talk).
    
    

2021

1. Kevan Bell, Lyazzat Mukhangaliyeva, Layla Khalili and Parsin Haji Reza, "Hyperspectral Absorption Microscopy of Live Chicken Embryo Using Photoacoustic Remote Sensing," European Conferences on Biomedical Optics (ECBO) 2021. (Invited Talk). 
2. Ben Ecclestone, Zohreh Hosseinaee, Nima Abbasi, Kevan Bell, Deepak Dinakaran, Jphn Mackey, and Parsin Haji Reza, "Three-Dimensional Virtual Histology in Unprocessed Resected Tissues with Photoacoustic Remote Sensing (PARS) Microscopy and Optical Coherence Tomography,” European Conferences on Biomedical Optics (ECBO) (2021). (Talk). 
3. Amr Kamel, Samed Kocer, Taylan Das, Lyazzat Mukhangaliyeva, Resul Saritas, Parsin Hajireza, Mustafa Yavuz, and Eihab Abdel-Rahman, “Demonstration of Resonant Adaptive Mirrors,” IEEE 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers) (2021). (Talk).
4. Zohreh Hosseinaee, Nima Abbasi, Layla Khalili, Lyazzat Mukhangaliyeva, Anne Mei, Nicholas Pellegrino, Parsin Haji Reza, "Non-contact, in-vivo, functional, and structural ophthalmic imaging using dual-modal photoacoustic remote sensing microscopy and optical coherence tomography. ARVO Annual Meeting (2021). (Talk). 
5. Ben Ecclestone, Saad Abbasi, Kevan Bell, Deepak Dinakaran, Gilbert Bigras, Frank K. van Landeghem, John Mackey, Parsin Haji Reza, "Label-free histopathological assessment of tissues with Photoacoustic Remote Sensing (PARS) microscopy." Label-free Biomedical Imaging and Sensing (BO509). SPIE Photonics West 2021. (Talk).
6. Ben Ecclestone, Saad Abbasi, Kevan Bell, Deepak Dinakaran, Gilbert Bigras, Frank K. van Landeghem, John Mackey, Parsin Haji Reza, "Reflection-mode virtual histology using photoacoustic remote sensing microscopy." Photons Pulse Ultrasound: Imaging and Sensing (BO402). SPIE Photonics West 2021. (Talk).
7. Ben Ecclestone, Saad Abbasi, Kevan Bell, Deepak Dinakaran, Muba Taher, John Mackey, Parsin Haji Reza, "Towards In-situ Imaging of Nonmelanoma Skin Cancers." Photonics in Dermatology and Plastic Surgery (BO100). SPIE Photonics West 2021. (Talk).
8.  Zohreh Hosseinaee, Alex Tummon Simmons, Marian Boktar, Kevan Bell, Parsin Haji Reza, " Dual-modality photoacoustic remote sensing (PARS) microscopy and swept-source optical coherence tomography (SS-OCT) for in-vivo imaging." Photons Plus Ultrasound: Imaging and Sensing (PW21B). SPIE Photonics West 2021. (Talk). 
9. Nicholas Pellegrino, Kevan L. Bell, Shahid A. Haider, Paul Fieguth, Parsin Haji Reza, "Towards Improved Imaging Contrast with Photoacoustic Remote Sensing through Intelligent Signal Extraction." Photons Plus Ultrasound: Imaging and Sensing 2021 (BO402). SPIE Photonics West 2021. (Talk).

​2020

1. Parsin Haji Reza, Photoacoustic remote Sensing, 42nd Annual International Conferences of the IEEE Engineering in Medicine and Biology Society. Montreal Canada. (Invited Talk)
2. Saad Abbasi, Martin Le, Benjamin Ecclestone, Serene Abu-Sardanah, Kevan Bell, Deepak Dinakaran, Gilbert Bigras, John R. Mackey, Parsin Haji Reza, “All-optical Reflection-mode Microscopic Histology of Unstained Human Tissues,” OSA Biophotonics Congress: Biomedical Optics 2020. (Talk)
3. Martin Le, Saad Abbasi, Kevan Bell, Parsin Haji Reza, “All-Visible Non-Interferometric Pulsed Detection Photoacoustic Remote Sensing Microscopy,” OSA Biophotonics Congress: Biomedical Optics 2020. (Poster)
4. Kevan Bell, Saad Abbasi, Nicholas Pellegrino, Parsin Haji Reza, “Hyperspectral Photoacoustic Remote Sensing Microscopy,” OSA Biophotonics Congress: Biomedical Optics 2020. (Talk)
5. Saad Abbasi, Kevan Bell, Benjamin Ecclestone, Parsin Haji Reza, “Real Time & 3D Photoacoustic Remote Sensing,” OSA Biophotonics Congress: Biomedical Optics 2020. (Poster)
6. Serene O. Abu-Sardanah, Chandravadni Subramaniam, Saad Rasheed Abbasi, Parsin Haji Reza, “A comprehensive characterization of a stimulated Raman scattering fiber-laser source for multi-wavelength dependent photoacoustic microscopy techniques” SPIE Photonics West 2020. (Talk)
7. Saad Rasheed Abbasi, Martin Le, Serene O. Abu-Sardanah, Benjamin R. Ecclestone, Kevan Bell, Deepak Dinakaran, Gilbert Bigras, John R. Mackey, Parsin Haji Reza, “All-optical reflection-mode microscopic histology of unstained human tissues.” SPIE Photonics West 2020. (Talk)
8. Benjamin R. Ecclestone, Amirmohammad Farzaneh, Kevan Bell, Parsin Haji Reza, “Deep optical resolution photoacoustic remote sensing microscopy” SPIE Photonics West 2020. (Talk)
9. Benjamin R. Ecclestone, Saad Rasheed Abbasi, Kevan Bell, Parsin Haji Reza, “Detection and excitation defined systems in photoacoustic remote sensing microscopy.” SPIE Photonics West 2020 (Poster)
10. Saad Rasheed Abbasi, Nicholas Pellegrino, Serene O. Abu-Sardanah, Benjamin R. Ecclestone, Kevan Bell, Paul Fieguth, Parsin Haji Reza, “Real time & 3D photoacoustic remote sensing.” SPIE Photonics West 2020. (Poster)
11. Nicholas Pellegrino, Saad Rasheed Abbasi, Kevan Bell, Deepak Dinakaran, Gilbert Bigras, John R. Mackey, Paul Fieguth, Parsin Haji Reza, “Chromophore selective multi-wavelength photoacoustic remote sensing.” SPIE Photonics West 2020 (Talk)

2019

1. Saad Abbasi, Kevan Bell, Parsin Haji Reza, "Towards Non-Contact Microscopic Histology of Unstained Human Tissues" WMIC 2019, (Talk).
2. K. Bell, Parsin Haji Reza, and R.J. Zemp, “Label-free non-contact imaging of cell nuclei using ultraviolet photoacoustic remote sensing microscopy” SPIE Photonics West 2019 (Talk)
3. D. Mildenberger, K. Bell, Parsin Haji Reza, and R.J. Zemp “Fiber based architecture for widefield photoacoustic remote sensing” SPIE Photonics West 2019.

2018

1. K. Bell, Parsin Haji Reza, and R.J. Zemp, Photoacoustic Remote Sensing, WMIC 2018, Seattle (Talk)
2. K. Bell, Parsin Haji Reza, and R.J. Zemp, Coherence-Gated Photoacoustic Remote Sensing Microscopy, Accepted, SPIE Photonics West 2018 (Talk).
3. Kevan Bell, Parsin Haji Reza and R.J. Zemp, Electro-Optical Modulator-Based Fast-Wavelength Switching for Multispectral Photoacoustic Remote Sensing Microscopy, Accepted, SPIE Photonics West 2018 (Poster)
4. Afshin Kashani Ilkhechi, Ben Greenlay, Mohammad Maadi, Christopher Ceroici, Parsin Haji Reza, and Roger J. Zemp, Design and Fabrication of Capacitive Micromachined Optical Focusing Deformable MEMS Mirrors for Ultrafast Tunable Focusing, Accepted, SPIE Photonics West 2018 (Talk)
5. Logan Snider, Kevan Bell, Parsin Haji Reza, and Roger Zemp, High-Speed Photoacoustic Remote Sensing Microscopy, Accepted, SPIE Photonics West 2018 (Talk).

​2017

1. Parsin Haji Reza, Invited presentation at the 2017 European Conferences on Biomedical Optics (ECBO) meeting, SPIE&OSA, Munich Germany (June 2017). (Talk)
2. Kevan Bell, Parsin Haji Reza, Wei Shi, and Roger Zemp, “Spherical Scatterer Cross Section Modulation in Photoacoustic Remote Sensing Microscopy”, 2017 European Conferences on Biomedical Optics (ECBO) meeting, SPIE & OSA, Munich Germany (June 2017). (Talk)
3. Parsin Haji Reza, Wei Shi, Kevan Bell and Roger Zemp, ‘Non-interferometric deep optical resolution photoacoustic remote sensing microscopy' SPIE Photonics West 2017. (Talk)
4. Wei Shi, Parsin Haji Reza, Kevan Bell and Roger Zemp, "‘Photoacoustic remote sensing microscopy with lock-in amplification" SPIE Photonics West 2017. (Poster)
5. Kevan Bell, Parsin Haji Reza, Wei Shi, and Roger Zemp, ‘Temporal evolution of low-coherence reflectometry signals in photoacoustic remote sensing microscopy,’ SPIE Photonics West 2017. (Talk)

2016

1. Parsin Haji Reza, Wei Shi, Kevan Bell and Roger Zemp, “Multi-Scale functional photoacoustic remote sensing” SPIE Photonics West 2016. (Talk)
2. Wei Shi ; Parsin Haji Reza and Roger Zemp " Photoacoustic imaging using lock-in amplification and pulsed fiber lasers ",Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97084I (2016)

2015

1. Parsin Haji Reza, Tyler Harrison, Wei Shi and Roger Zemp “Motorized Photoacoustic Remote Sensing Microscopy “Optics in the Life Sciences Congress, Vancouver, Canada 2015. (Talk)
2. Parsin Haji Reza, and Roger Zemp “Common Path Optical-Resolution Photoacoustic Remote Sensing Microscopy” European Conferences on Biomedical Optics, Munich, Germany, 2015. (Talk)
3. Parsin Haji Reza, and Roger Zemp “Photoacoustic remote sensing (PARS®)” SPIE Photonics West 2015. (Talk)

2014

1. Parsin Haji Reza, Jason Sorge, Michael Brett, and Roger Zemp “Photoacoustic Micro-Endoscopy using Glancing Angle Deposited Fabry-Perot Etalons” SPIE Photonics West 2014. (Talk)
2. Parsin Haji Reza, Alexander Sampaleanu and Roger J. Zemp, “Optical Resolution Photoacoustic Microscopy using Capacitive Micromachined Ultrasonic Transducer” SPIE Photonics West 2014. (Talk)

2013

1. Parsin Haji Reza, Alexander Forbrich and Roger J. Zemp" Multi-focus optical resolution photoacoustic microscopy" , IEEE Ultrasonics Symposium 2013 (IUS 2013), Czech republic (Talk)
2. Parsin Haji Reza, Kathleen Krause, Michael Brett, Roger Zemp, "All-Optical Ultrasound Detection using Glancing Angle Deposited (GLAD) Nanostructured Films" ,  SPIE Photonics West 2013. (Talk)
3. Parsin Haji Reza; Alexander Forbrich; Wei Shi; Roger J. Zemp" In-vivo multi-wavelength optical-resolution photoacoustic microscopy with stimulated Raman scattering fiber-laser source" , SPIE Photonics West 2013. (Talk)
4. T. Harrison (equal contribution), Parsin Haji Reza (equal contribution) and R. J. Zemp, "Optical-resolution photoacoustic micro-endoscopy with ultrasound array system detection", SPIE Photonics West 2013. (Talk)

2012

1. R. J. Zemp, W. Shi, P. Shao, and Parsin Haji Reza, "Fiber Laser Based Realtime Optical-Resolution Photoacoustic Microscopy and Microendoscopy," in Biomedical Optics, OSA Technical Digest (Optical Society of America, 2012), paper BSu3A.56. (Poster)
2. Parsin Haji Reza; Wei Shi; Alexander Forbrich; Peng Shao; Roger J. Zemp" In vivo imaging with GRIN-lens optical resolution photoacoustic micro-endoscopy", Proc. SPIE 8223, 82230I  ( SPIE Photonics West, San Francisco, 2012) (Talk)
3. Wei Shi; Peng Shao; Parsin Haji Reza; Alexander Forbrich; Roger J. Zemp "Imaging dynamic processes using fiber laser optical-resolution photoacoustic microscopy", Proc. SPIE 8223, 82230Y ( SPIE Photonics West, San Francisco, 2012) (Talk)
4. Peng Shao; Wei Shi; Parsin Haji Reza; Roger J. Zemp " Combined optical resolution photoacoustic and fluorescence micro-endoscopy " ,  Proc. SPIE 8223, 822318 (SPIE Photonics West, San Francisco, 2012) (Talk)

2011

1. Parsin Haji Reza, Wei Shi, Alexander Forbrich, Roger J. Zemp, "Feasibility of in vivo imaging using realtime optical-resolution photoacoustic micro-endoscopy" World Molecular Imaging Congress ( San Diego 2011) (Talk)
2. Parsin Haji Reza, W. Shi and R. J. Zemp " Photoacoustic Microscopy, Optical resolution, handheld, real-time, Image guide", IEEE International Ultrasonics Symposium 2011 (IUS 2011), Caribe Royale, Orlando, Florida, USA (Talk)
3. Parsin Haji Reza, W. Shi, P. Shao, S. Kerr and R. J. Zemp, "Optical-resolution photoacoustic micro-endoscopy using image-guide fibers and fiber laser technology", Proc. SPIE 7899, 78990P (San Francisco, 2011); doi:10.1117/12.875127 (Talk)
4. Wei Shi, Parsin Haji Reza, Peng Shao, Shaun Kerr and Roger J. Zemp, "Real-time optical-resolution photoacoustic microscopy using fiber-laser technology", Proc. SPIE 7899, 789939 (San Francisco, 2011); doi:10.1117/12.875130 (Poster)

2010

1. Parsin Haji Reza , S. D. Emami, S. Abbasizargaleh, D. Kumar, S. W. Harun and H. A. Abdul-Rashid ‘Numerical Study of Macro Bending Effect on High Concentration EDFA’ International IEEE Conference on Computer & Communication Engineering (ICCCE), Malaysia 2010. (Talk)
2. Parsin Haji Reza, N. S. Shahabuddin, H. A. Abdul-Rashid, S. D. Emami, S. Abbasi-Zargaleh and Z. Yusoff ‘Performance of a High-Concentration Erbium-Doped Fiber Amplifier With 100nm Amplification Bandwidth’" American Institute of Physics , AIP Conf. Proc. -- July 7, 2010 -- Volume 1250, pp. 145-148, doi:10.1063/1.3469620. (Talk)

2009

1. C.E. Chan, S.D. Emami, Parsin Haji Reza, H.Y. Beh, S.A. Daud, S.S. Pathmanathan, S.W. Harun, H. Ahmad and H.A. Abdul Rashid ‘Optimization of Fiber Length and Bending Diameter in Depressed Cladding Erbium-doped Fiber Amplifier’ Communications (MICC), IEEE 9th Malaysia International Conference, pp. 276 – 279, 10.1109/MICC.2009.5431512, 2009. (Talk)
2. S. D. Emami, Parsin Haji Reza, H. A. Abdul-Rashid , S. W. Harun, H. Ahmad ‘Gain Flatted Hybrid Optical Amplifier Using Thulium Doped Fiber and Raman Amplifier’ The 5th Mathematics and Physical Sciences Graduate Congress (Thailand 2009). (Talk)
3. Nurul Shahrizan, Parsin Haji Reza ,Hairul Azhar Abdul-Rashid ,Zulfadzli Yusoff ,Sharife Shahi ,Sulaiman Wadi Harun ‘An Efficient Bismuth-based Erbium-doped Fiber Amplifier’ International Conference on Recent and Emerging Advanced Technologies in Engineering (iCREATE) Malaysia, 2009. (Talk)
4. H.Y. Beh, S.D. Emami, C.E. Chan, Parsin Haji Reza, S.A. Daud, S.S. Pathmanathan, S.W. Harun, H. Ahmad and H.A. Abdul Rashid ‘Optimization of Fiber Length and Bending Diameter in  macro bent S-band EDFA’ ISMOT, Dec 16-19, New Delhi, India, 2009. (Talk)​