Niklaus Ursus Wetter

Instituto de Pesquisas Energéticas e Nucleares — Brazil

Engineering · Physical Sciences

32h-index3.5kcitations547works1.22yr avg
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Research Topics

Solid State Laser Technologies(149), Advanced Fiber Laser Technologies(87), Laser Design and Applications(61), Photorefractive and Nonlinear Optics(54), Random lasers and scattering media(48)

Publications542 total

Novel chemometric Raman approach for spatially resolved quantification of graft distribution in anion exchange membranes
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy·2026Open Access
Urban River Microplastics as Vectors for Pharmaceutical Contaminants in a Savannah Region (Caatinga Biome)
Microplastics·2026Open Access
Revealing microplastic and anthropogenic microparticles contamination in tidal blue carbon ecosystems from eastern Brazil
Marine Pollution Bulletin·2026Open Access
Molecular Raman Signatures of Fiber Types in Mouse Soleus Muscle
SSRN Electronic Journal·2026Open Access
Microplastics and POPs on the Southwestern Atlantic deep-sea floor: a study of megafauna and sediments
Marine Pollution Bulletin·2025
Comparison of Soil Samples with Different Clay, Sand, and Silt Contents Using Speckle Interferometry
2025
ReLU-Like Nonlinear Activation from an Nd:YVO Random Laser
2025
AND, OR, and XNOR Optical Logic Gates via Pixel-Wise Modulation with Spatial Light Modulators and 4f System
2025
White Random Laser based on a Ho3+/Tm3+/Yb3+ doped GeO2-PbO glass
Journal of Luminescence·2025
Urban River Microplastics as Vectors for Pharmaceutical Contaminants in a Savannah Region (Caatinga Biome)
2025Open Access
Differentiation of Clay Content in Soil Samples Containing Clay, Silt, and Sand Using the Speckle Methodology
Brazilian Journal of Physics·2025· 1 cited
A new methodology for muscle phenotyping by Raman spectroscopy
2025Open Access
Random Lasers Based on Tellurite and Germanate Glasses and Glass-Ceramics Doped with Rare-Earth Ions
Micromachines·2025· 1 citedOpen Access
The effect of gamma-irradiated recycled polyolefins as asphalt binder modifiers
Road Materials and Pavement Design·2025· 1 cited
Microplastic Deposits Prediction on Urban Sandy Beaches: Integrating Remote Sensing, GNSS Positioning, µ-Raman Spectroscopy, and Machine Learning Models
Microplastics·2025· 5 citedOpen Access
S-Bend and Y Waveguide Architectures in Germanate Glasses Irradiated by Femtosecond Laser
Micromachines·2025· 3 citedOpen Access
First record of microplastic contamination in adult endemic amazonian anuran species
Scientific Reports·2025· 9 citedOpen Access
Microplastic deposits prediction on Urban Sandy Beaches: Integrating Remote Sensing, GNSS Positioning, µ-Raman Spectroscopy, and Machine Learning Models
LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)·2025Open Access
Ultra-Sensitive Raman Spectroscopy Using Anderson Localization Enhancement Substrate
2025
Microplastics and Pops on the Southwestern Atlantic Deep-Sea Floor: A Study of Megafauna and Sediments
SSRN Electronic Journal·2025Open Access
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Frequent Co-authors

L.R.P. Kassab(19), Lilia Coronato Courrol(12), Sônia Hatsue Tatumi(8), Alessandro Melo Deana(7), Jonas Jakutis Neto(6), Nilson Dias Vieira(6), I.M. Ranieri(6), S.L. Baldochi(6), J.R. Martinelli(5), L. Gomes(5), Laércio Gomes(5), Wagner de Rossi(4), A.S. Morais(4), Cid B. de Araújo(3), Gessé Eduardo Calvo Nogueira(3), Ilka Tiemy Kato(3), C.M.S.P. Mendes(3), Eduardo Colombo Sousa(3), Vanessa D. Del Cacho(3), Nilton Itiro Morimoto(3)