Radiometry
Radiometry: Illuminating the Spectrum of Electromagnetic Radiation
In the realm of radiometry, we delve into the art and science of measuring electromagnetic radiation. From the ultraviolet spectrum to visible light and into the depths of infrared radiation, our focus knows no bounds.
Navigating the Radiant Path
At the Metrology Research Institute, our radiometry expertise encompasses a range of captivating areas. We venture into the intricacies of optical detectors, radiation sources, and the fascinating realm of radiation's journey through various mediums.
Unveiling the Radiant World
Our pursuits span across a diverse spectrum. Imagine exploring the world of LED-based light sources, unraveling the mysteries of optical components and materials' lifetimes, harnessing the potential of renewable energy sources, tracing the propagation of atmospheric radiation, and delving into the intricate landscape of environmental measurements. These are just glimpses of our recent research endeavors.
Powering Progress with Radiant Insights
In an era where technology and knowledge illuminate our path, our radiometry research stands as a beacon of discovery. Through our relentless pursuit of understanding electromagnetic radiation and its applications, we're shaping the way we interact with light and harness its energy. As we continue to explore the dynamic interplay between radiometry and countless fields, we're committed to contributing to a brighter, more radiant future.
Current projects related to radiometry
The radiometry subgroup is currently participating in the projects below. Get more information by clicking them, and optionally following the link "read more".
Metrology Research Institute is involved in project MeLiDos, Metrology for Wearabe Light Loggers and Dosimeters.
Metrology Research Institute is involved in EPM project Newstand, New calibration standards and methods for radiometry and photometry after phaseout of incandescent lamps.
European Metrology Programme for Innovation and Research (EMPIR) Project, QADeT, “Quantum sensors for metrology based on single-atom-like device technology”
Metrology Research Institute is involved in project SEQUME - "Developing the metrology and instrumentation for single-photon sources, required for future advances in quantum technologies" financed by the European Metrology Programme for Innovation and Research (EMPIR).
European Metrology Programme for Innovation and Research (EMPIR) Project, MeTISQ ; “Metrology for Testing the Implementation Security of Quantum Key Distribution Hardware”
Metrology Research Institute is involved in project Metro-PV - "Metrology for Emerging PV applications" financed by the European Metrology Programme for Innovation and Research (EMPIR).
Past projects
The group has succesfully finished the following projects in the past:
Metrology Research Institute participated in project MAPP - "Metrology for aerosol optical properties" financed by the European Metrology Programme for Innovation and Research (EMPIR).
Metrology Research Institute was involved in project chipSCALe - "Self-calibrating photodiodes for the radiometric linkage to fundamental constants" financed by the European Metrology Programme for Innovation and Research (EMPIR).
Detection of power of electromagnetic radiation is essential for nearly all scientific and technical fields that use electromagnetic radiation for either research or industrial purposes including applications in health, safety, and security. Because of the lack of a suitable power detection scheme which is capable of sensing incident radiation over a wide spectral range, several other approaches have been developed among which photoacoustic (PA) technology is one of the potential methods.
Metrology Research Institute is involved in European Metrology Programme for Innovation and Research (EMPIR) Project, SIQUST; “Single-photon sources as new quantum standards”
Metrology Research Institute was involved in project PV-Enerate - "Advanced PV Energy Rating" financed by the European Metrology Programme for Innovation and Research (EMPIR).
Calibration of Near-Infrared Detectors Using a Wavelength Tunable Light Source
Calibration of optical detectors is important for the reliability of optical characterization methods and therefore, has significant applications in optics and metrology. We have developed a portable wavelength tunable light source to calibrate the spectral power responsivities of detectors in the infrared region.
Metrology Research Institute studied the calibration methods of hyperspectral cameras in collaboration with Finnish Geospatial Research Institute (FGI) within Academy of Finland project "Quantitative remote sensing by 3D hyperspectral UAVs – From theory to practice". This activity resulted in two calibration services – Flat field calibration of the spatial responsivity, and characterization of the spectral responsivity of cameras.
The operating temperature of light-emitting diodes (LEDs) affects their lifetime. Metrology Research Institute has developed models to help estimate the junction temperatures and lifetimes of LEDs.
The European Metrology Research Programme (EMRP) project NewStar - "New primary standards and traceability for radiometry".
Metrology Research Institute is involved in European Metrology Research Programme (EMRP) project ATMOZ - "Traceability for Atmospheric Total Column Ozone".
Metrology Research Institute is involved in European Metrology Research Programme (EMRP) project PhotoClass - "Towards an Energy-Based Parameter for Photovoltaic Classification".
Metrology Research Institute is involved in European Metrology Research Programme (EMRP) project SolCell - "Metrology for III-V material based high efficiency multi-junction solar cells".
Metrology Research Institute is involved in European Metrology Research Programme (EMRP) project SIQUTE - “Single-photon sources for quantum technologies”.
Metrology Research Institute is involved in the Academy of Finland project UVIADEM - “UV Radiation Induced and Assisted Degradation of Materials”.
Branch Manager
Petri Kärhä
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