Prof. Janis Spigulis
Head of Biophotonics Lab at Univ of Latvia
SPIE Involvement:
Author | Editor | Student Chapter Advisor
Area of Expertise:
Biomedical Optics and Biophotonics , Fiber Optics , Photonic Instrumentation
Websites:
Profile Summary

J. Spigulis graduated as physicist from the University of Latvia in 1973. PhD thesis on optical processes in metal vapors have been defended in 1979, and Dr.Habil. Phys. thesis on novel optoelectronic methods and devices - in 1993. SInce 1986 his research is focused to fiberoptics, optoelectronics and biomedical optics; he established and leads the Bio-optics and Fibre-optics Laboratory at the Institute of Atomic Physics and Spectroscopy, University of Latvia (currently being Director of the Institute). His work has been related to design and investigation of optical fibre sensors, communication devices, medical lightguide systems and new types of the side-glowing optical fibres, as well as to development of novel optical methods for nonivasive clinical diagnostics and monitoring. Dr. Spigulis has developed lecture courses "Lightguide Physics", "Optoelectronics", “Laser Physics” and “Earth Physics” for BSc. students, as well as "Fundamentals of Biomedical Optics" and "Medical Lightguides" for MSc. students. In 1995 he launched the MSc program on Biomedical Optics at University of Latvia and actively co-ordinated this program over the following years.
J. Spigulis was the founder, chairman and co-chairman of the Baltic Chapter of SPIE – the International Society for Optical Engineering, he is a member of SPIE, Optical Society of America (OSA), Latvian Union of Scientists, Latvian Physical Society and Latvian Society of Medical Engineering and Physics. Currently he is presiding Latvian Regional Committee of ICO – International Commission for Optics, and the Latvian Local Section of OSA. In 2007 J. Spigulis became the Corresponding member of Latvian Academy of Sciences.
Publications (117)

Proceedings Article | 18 June 2024 Presentation + Paper
Janis Spigulis, Uldis Rubins, Edgars Kviesis-Kipge, Inga Saknite, Ilze Oshina, Egija Vasilisina, Agate Krievina
Proceedings Volume 13009, 130090C (2024) https://doi.org/10.1117/12.3018710
KEYWORDS: Light sources and illumination, RGB color model, Skin, Prototyping, Endoscopy, Imaging spectroscopy, Diagnostics, Endoscopes, Cameras, Laser applications

Proceedings Article | 2 October 2023 Poster + Paper
Ilze Ošina, Janis Spigulis
Proceedings Volume 12665, 126650T (2023) https://doi.org/10.1117/12.2687959
KEYWORDS: Skin, 3D modeling, Chromophores, Attenuation, Reflection, Melanoma, Light sources and illumination, Image segmentation

SPIE Journal Paper | 16 September 2022 Open Access
Ilze Ošina, Janis Spigulis, Ilona Kuzmina, Laura Dambite, Anna Berzina
JBO, Vol. 27, Issue 09, 095005, (September 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.9.095005
KEYWORDS: Skin, Pathology, Chromophores, 3D image processing, 3D modeling, Signal attenuation, Melanoma, Diagnostics, RGB color model, Tumor growth modeling

SPIE Journal Paper | 21 February 2022 Open Access
JBO, Vol. 27, Issue 02, 026004, (February 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.2.026004
KEYWORDS: Skin, Light emitting diodes, Prototyping, Chromophores, RGB color model, Cameras, Photons, Fiber optic illuminators, Image processing, Diagnostics

Proceedings Article | 9 December 2021 Paper
Ilze Oshina, Janis Spigulis
Proceedings Volume 11920, 119201X (2021) https://doi.org/10.1117/12.2615427
KEYWORDS: Skin, Chromophores, Scattering, Diffuse reflectance spectroscopy, Absorption, Rayleigh scattering, Mie scattering, Light scattering, Signal attenuation, Pathology

Showing 5 of 117 publications
Proceedings Volume Editor (7)

SPIE Conference Volume | 2 November 2020

SPIE Conference Volume | 10 January 2018

SPIE Conference Volume | 18 November 2013

Showing 5 of 7 publications
Conference Committee Involvement (14)
Third International Conference Biophotonics Riga 2020
24 August 2020 | Riga, Latvia
Preclinical and Clinical Optical Diagnostics
23 June 2019 | Munich, Germany
The Second International Conference "Biophotonics-Riga 2017"
27 August 2017 | Riga, Latvia
Clinical and Preclinical Optical Diagnostics
25 June 2017 | Munich, Germany
Eigth International Conference on Advanced Optical Materials and Devices
25 August 2014 | Riga, Latvia
Showing 5 of 14 Conference Committees
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