Therapeutic Laser Applications (BA)

Therapeutic Laser Applications

AudienceThis group focuses on the use of lasers in surgery or in other treatments of disease. This includes the use of lasers as surgical tools for tissue cutting, welding, and coagulation, as well as the use of optics to initiate cell-damaging photochemical reactions for the treatment of diseases such as cancer. In addition, optics, spectroscopy, and imaging provide unique tools that may allow real-time diagnostics of the efficacy of clinical procedures. For many of these applications, the development of optical tools for appropriate light delivery, especially for fiber-based or endoscopic delivery to tissues that are not directly accessible, is critical. In addition, this group emphasizes basic science studies of the mechanisms by which light can affect tissue in adverse or therapeutic ways.

Upcoming Technical Group Webinars 

Photoacoustic Imaging of the Eye

Hosted By: Therapeutic Laser Applications Technical Group

24 October 2019, 10:00 AM - 11:00 AM

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In this webinar host by the OSA Therapeutic Laser Applications Technical Group, Dr. Yannis Paulus of University of Michigan will explore a new hybrid optical-acoustic imaging modality called photoacoustic imaging. Photoacoustics have particularly useful applications in the eye and can provide both anatomic and functional eye evaluation. Many eye diseases, including macular degeneration and diabetic retinopathy, involve vascular abnormalities, which can readily be visualized with photoacoustic imaging. Multimodality eye imaging platforms have also been successfully developed to combine photoacoustic imaging with optical coherence tomography and fluorescence microscopy. Dr. Paulus will discuss the potential of photoacoustic imaging for molecular imaging. In addition, the potential application of photoacoustic imaging of the eye in both research and clinical diagnosis are comprehensively discussed as a powerful technique to visualize eye diseases.

What You Will Learn:

  • To describe the photoacoustic effect 
  • Evaluate eye diseases where photoacoustic imaging can provide important information 
  • Describe multimodality imaging of the eye and unique advantages and disadvantages of different modalities, including photoacoustic imaging, optical coherence tomography, and fluorescence microscopy 
  • Describe unique advantages of photoacoustic molecular imaging and how it could be used to better monitor and diagnose eye diseases 

Who Should Attend:

  • Engineers, physicists, biologists, chemists, and physicians interested in optical imaging, biomedical imaging applications, biomedical laser applications, acoustics, biotechnology, light, biological physics, and bioimaging research.

About the presenter

Yannis M. Paulus, University of Michigan, Department of Ophthalmology and Visual Sciences, and Department of Biomedical Engineering

Yannis M. Paulus, University of Michigan, Department of Ophthalmology and Visual Sciences, and Department of Biomedical Engineering   Image

Yannis M. Paulus, M.D., F.A.C.S, is an academic vitreoretinal surgeon and clinician scientist that applies biomedical engineering, photonics, optics, lasers, physics, and nanoparticles to develop novel retinal imaging and laser treatment systems. He is an Assistant Professor at the University of Michigan, Department of Ophthalmology and Visual Sciences, and Department of Biomedical Engineering. He completed his undergraduate in chemistry and physics at Harvard University, medical school and ophthalmology residency at Stanford University Byers Eye Institute, and surgical and medical retina fellowship at Johns Hopkins University Wilmer Eye Institute. He directs a multidisciplinary, diverse laboratory dedicated to improving the vision of patients suffering from eye diseases. He has received entrepreneurship awards and patents, published more than 85 peer-reviewed publications and 6 book chapters, and consulted for medical devices and co-founded two retinal imaging start-up companies.

Recent Advances in Tissue Biomechanics Using Dynamic Optical Coherence Elastography

Hosted By: Therapeutic Laser Applications Technical Group

1 November 2019, 12:00 PM - 13:00 PM

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The biomechanical properties of tissues can be dramatically altered by various diseases, such as keratoconus for the cornea and systemic sclerosis for the skin. Therefore, the ability to measure tissue biomechanical properties could provide critical information for assessing its health and detecting disease etiology as well as monitoring disease progression.

In this webinar hosted by the OSA Therapeutic Laser Applications Technical Group, Kirill Larin of University of Houston will overview recent results on development of noncontact dynamic optical coherence elastography (OCE) technique to evaluate the biomechanical properties of the cornea and skin of healthy subjects and those affected by diseases. For example, OCT and OCE can clearly differentiate the healthy and Systemic Sclerosis patients and show strong correlations with the standard clinical evaluation techniques. In addition, the first pilot studies on measuring elastic wave propagation in human subjects will be demonstrated.   

What You Will Learn:

  • Capabilities of dynamic optical coherence elastography (OCE) for non-invasive diagnostics and monitoring of diseases
  • Applications of OCE for differentiation between healthy and diseased ocular and skin tissues

Who Should Attend:

  • Students, Scientists, Doctors who want to learn about OCE or already working in this field and looking to advance their knowledge about this technique. 

About the presenter

Kirill V. Larin, University of Houston

Kirill V. Larin, University of Houston Image

Kirill Larin is a Professor of Biomedical Engineering at University of Houston. He holds joint appointments at the College of Optometry and Department of Physiology and Biophysics at Baylor College of Medicine. He received a M.S. in Laser Physics and Mathematics from Saratov State University, Russia. His second M.S. in Cellular Physiology and Molecular Biophysics and Ph.D. in Biomedical Engineering from University of Texas Medical Branch. His research contributions are in Biomedical Optics, Biophotonics and development and application of optical methods for noninvasive, nondestructive imaging, and diagnostics of tissues and cells. He has authored over 150 peer-reviewed publications and chapters in ten textbooks on Biomedical Optics. Larin is the recipient of Russian President Boris Yeltsin’s prestigious Presidential Award. He serves as an instructor for short courses on Tissue Optics at SPIE, OSA, and IEEE conferences. He was inducted as a SPIE Fellow in 2015 and OSA Fellow in 2016.

Elina A Vitol  Chair
David R Busch UT Southwestern Medical Center at DallasAdvisor
Robbie J Thomas Chromacity LimitedIndustry Liaison
Felix Fanjul-Velez University of CantabriaMember
Yannis Mantas Paulus University of MichiganMember
Guido Perrone Politecnico di TorinoMember
Mariia Shutova Texas A&M UniversitySocial Media Officer

If you are a member of the Therapeutic Laser Applications Technical Group and have ideas for activities and initiatives to help engage this community, please share them with the chair, Elina Vitol.


View OSA Technical Group webinars on-demand at any time or register for any of our upcoming webinars online. Each webinar is an hour long and features a technical presentation on a topic selected by your OSA Technical Groups.

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