Mr. Kārlis Grundšteins Profile

Kārlis Grundšteins

at Univ of Latvia

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Poster + Presentation + Paper

Mode family analysis for PMMA WGM micro resonators using spot intensity changes

Roberts Berķis, Janis Alnis, Inga Brice, Aigars Atvars, Kristians Draguns, Kārlis Grundšteins, Pauls Kristaps Reinis

Proceedings Volume 11672, 1167217 (2021) https://doi.org/10.1117/12.2577025

KEYWORDS: Temperature metrology, Resonators, Quality measurement, Laser resonators, Microresonators, Optical spheres, Image analysis, Electromagnetism, Thermal modeling

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Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Poster + Presentation + Paper

Frequency comb generation in whispering gallery mode silica microsphere resonators

Inga Brice, Karlis Grundsteins, Arvids Sedulis, Toms Salgals, Sandis Spolitis, Vjaceslavs Bobrovs, Janis Alnis

Proceedings Volume 11672, 1167213 (2021) https://doi.org/10.1117/12.2577148

KEYWORDS: Frequency combs, Resonators, Silica, Prisms, Single mode fibers, Precision optics, Optical testing, Optical metrology, Optical communications

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Proceedings Article | 28 October 2020 Paper

Paper

Acetone measurements in the exhaled air by the cavity ring-down spectrometry

G. Revalde, K. Grundsteins, A. Abola

Proceedings Volume 11585, 115850G (2020) https://doi.org/10.1117/12.2581987

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Proceedings Article | 3 September 2019 Paper

Paper

Whispering gallery mode resonators coated with Au nanoparticles

Inga Brice, Karlis Grundsteins, Aigars Atvars, Janis Alnis, Roman Viter

Proceedings Volume 11089, 110891T (2019) https://doi.org/10.1117/12.2528677

KEYWORDS: Resonators, Gold, Nanoparticles, Coating, Sensors, Glucose, Liquids, Silica, Evanescent wave coupling

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Proceedings Article | 19 July 2019 Paper

Paper

Breath analysis using cavity ring down spectroscopy in UV region for diagnostics of diabetes

G. Revalde, K. Grundsteins, A. Abola

Proceedings Volume 11073, 110731Y (2019) https://doi.org/10.1117/12.2526753

KEYWORDS: Spectroscopy, Diagnostics, Absorption, Signal detection, Mirrors, Ultraviolet radiation, Calibration, Nitrogen, Reflectivity, Nd:YAG lasers

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Proceedings Article | 7 December 2017 Paper

Paper

Development of optical WGM resonators for biosensors

I. Brice, A. Pirktina, A. Ubele, K. Grundsteins, A. Atvars, R. Viter, J. Alnis

Proceedings Volume 10592, 105920B (2017) https://doi.org/10.1117/12.2297551

KEYWORDS: Resonators, Zinc oxide, Nanorods, Coating, Biosensors, Microresonators, Nanoparticles, Oxygen, Particles

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Proceedings Article | 7 December 2017 Paper

Paper

First results of cavity ring down signals from exhaled air

G. Revalde, K. Grundšteins, J. Alnis, A. Skudra

Proceedings Volume 10592, 1059209 (2017) https://doi.org/10.1117/12.2297277

KEYWORDS: Spectroscopy, Absorption, Ultraviolet radiation, Calibration, Mirrors, Nd:YAG lasers, Diagnostics, Lung cancer, Blood, Resonators

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Proceedings Article | 7 December 2017 Paper

Paper

Cavity ring down spectrometry for disease diagnostics using exhaled air

G. Revalde, K. Grundšteins, J. Alnis, A. Skudra

Proceedings Volume 10592, 1059208 (2017) https://doi.org/10.1117/12.2297126

KEYWORDS: Spectroscopy, Mirrors, Calibration, Diagnostics, Absorption, Reflectivity, Resonators, Nitrogen, Mass spectrometry, Pulsed laser operation

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Showing 5 of 8 publications

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