Lighting, Displays & Radiometry
Featured Articles
LED Measurement at DelphiTech – Customer Spotlight
A StellarNet SpectroRadiometer enables DelphiTech to ensure quality, quantify new products and analyze competitive products. Rodney McInnis, CEO of DelphiTech, has been manufacturing high-end LED lighting for the outdoor home lighting industry for over 15 years.
Lighting the Way to Better Welfare: Spectrometer Use in Zoos
Light is the essence of life, shaping the evolution of every living creature on this planet. By better understanding light, we better understand life itself — a crucial mission for zoos, whose primary role is not just to care for animals but to ensure their well-being. Animals rely on sunlight for a multitude of reasons, from birds using UVA rays to judge mate quality to reptiles absorbing Infrared A and B to regulate their body temperature.
Why Turtle Safe Lighting Matters for Sea Turtle Survival + An Interview with FWC Experts
Artificial lighting along coastlines is a well-documented threat to sea turtle populations. Species such as the loggerhead sea turtle and green sea turtle rely on natural light cues for nesting and hatchling orientation. Disruptions to the spectral composition and intensity of coastal lighting can lead to disorientation, reduced nesting success, and increased mortality.
Customer Research & Publications
Alexandrite microchip lasers
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....
Optical Method of Measuring the Temperature of Fluoride Crystals Activated by Yb3+ and Tm3+ Ions
BN Kazakov, OG Goriev, AR Khadiev, SL Korableva… - Physics of the Solid State, 2019 Abstract The fluorescence intensities ratio (FIR) method is applied for measuring the temperature inside the...
Innate resistance of PSII efficiency to sunlight stress is not an advantage for cyanobacteria compared to eukaryotic phytoplankton
L Beecraft, SB Watson, REH Smith - Aquatic Ecology Abstract The effects of acute solar radiation stress on photosynthetic efficiency in freshwater unialgal cultures representing three phytoplankton...
StellarNet Customer Spotlight – Launching Spectrometers and Careers
Harding RockSat-C Team standing in front of Launch Vehicle at NASA’s Wallops Flight Facility at Wallops Island launch site in Virginia. In Harding University’s Atmospheric and Space Research Team,...
Comparison of Sole-source and Supplemental Lighting on Callus Formation and Initial Rhizogenesis of Gaura and Salvia Cuttings
KJ Walters, AA Hurt, RG Lopez - HortScience, 2019 Abstract Variability in outdoor daily temperatures and photosynthetic daily light integrals (DLIs) from early spring to late fall limits the ability...
Flowering, Stem Extension Growth, and Cutting Yield of Foliage Annuals in Response to Photoperiod
KJ Walters, AA Hurt, RG Lopez - HortScience, 2019 Abstract Foliage annuals are primarily grown for the aesthetic appeal of their brightly colored, variegated, or patterned leaves rather than for...
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Explore Raman spectroscopy through practical guides, application notes, videos, technical resources, and real-world research. From understanding the fundamentals to exploring material identification, quality control, and advanced analysis, the Raman Learning Center provides resources to help you get more from your spectroscopy measurements.
- Raman Guides & Tutorials — Learn the fundamentals and explore practical measurement techniques.
- Application Notes & Research — See how Raman spectroscopy is used across real-world applications.
- Videos, Labs & Technical Resources — Explore demonstrations, experiments, software resources, and measurement tips.


