Special Halloween Application Note: Ghostbusting with Spectroscopy

Oct 16, 2019 | Applications, Display Measurement, Displays & Radiometry, Fluorescence, Halloween, Laser Measurement, News

If there’s something strange in your neighborhood, who ya gonna call? StellarNet! Ghostbusters is always a favorite this time of year and so is watching those spooky ghost hunter reality shows. Don’t you wonder if that weird glow in the lab is actually a...

Alexandrite microchip lasers

Jun 18, 2019 | Application, Applications, Displays & Radiometry, 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...

AlGaAs-based vertical-external-cavity surface-emitting laser exceeding 4 W of direct emission power in the 740–790 nm spectral range

Jun 12, 2018 | Application, Applications, Displays & Radiometry, 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...

Temperature sensitivity modulation through crystal field engineering in Ga3+ co-doped Gd3Al5-xGaxO12:Cr3+, Nd3+ nanothermometers

May 15, 2018 | Application, Applications, Displays & Radiometry, 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...

Synthesis and luminescence studies of CaF2:Yb:Pr solid solutions powders for photonics

May 15, 2018 | Application, Applications, Displays & Radiometry, 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....

AlGaAs-based vertical-external-cavity surface-emitting laser exceeding 4 W of direct emission power in the 740–790 nm spectral range

May 15, 2018 | Application, Applications, Displays & Radiometry, 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...

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