Jun 18, 2019 | Application, Laser Measurement
M Fibrich, J Šulc, H Jelínková – Optics Express, 2019 Abstract We report on a continuous-wave alexandrite (Cr3+ :BeAl2O4) microchip lasers operating at 680.4 nm and 749.5 nm laser wavelengths. Microchip resonators were realized by dielectric mirrors directly...
Jun 12, 2018 | Application, Laser Measurement
Hermann Kahle, Kostiantyn Nechay, Jussi-Pekka Penttinen, Antti Tukiainen, Sanna Ranta, and Mircea Guina Abstract An optically pumped vertical-external-cavity surface-emitting laser (VECSEL) for direct emission in the 740–790 nm wavelength region is reported. The gain...
May 15, 2018 | Application, Laser Measurement, Optical Emission Spectroscopy, Optical Metrology
K Elzbieciak, A Bednarkiewicz, L Marciniak – Sensors and Actuators B: Chemical, 2018 Abstract Luminescent nanothermometry (LNT) based on temperature-dependent emission intensity of transition metals (TM) is a promising new direction to enhance the performance...
May 15, 2018 | Application, Fluorescence, Laser Measurement, Optical Metrology
SV Kuznetsov, OA Morozov, VG Gorieva… – Journal of Fluorine Chemistry 2018- Optics Letters, 2018 Abstract Praseodymium and ytterbium-doped calcium fluoride powder samples were prepared by co-precipitation from aqueous solutions followed by annealing at 600 °C....
May 15, 2018 | Application, Laser Measurement, Optical Metrology
H Kahle, K Nechay, JP Penttinen, A Tukiainen, S Ranta… – Optics Letters, 2018 Abstract An optically pumped vertical-external-cavity surface-emitting laser (VECSEL) for direct emission in the 740–790 nm wavelength region is reported. The gain structure is based...
Apr 3, 2018 | Application, Laser Measurement, Optical Emission Spectroscopy, Physics
M Fibrich, J Šulc, D Vyhlídal, H Jelínková, M Čech – Laser Physics, 2017 Abstract We report on the influence of temperature on the spectroscopic and lasing properties of alexandrite () crystal. The fluorescence lifetime, polarization-resolved absorption and...