Metrology for Temporal Light Modulation 20NRM01


The following partners participate in the MetTLM 20NRM01 project:

Van Swinden Laboratory (VSL) 

The National Metrology Institute of the Netherlands VSL is appointed to maintain the Dutch national standards and provides traceability of the SI measurement standards to industry, government and research institutes. VSL carries out studies and researches on the realization of primary standards for the basic and derived units of the International System of units (SI) and assures the maintenance of such standards. Furthermore, VSL undertakes, promotes, and coordinates scientific and technological research projects, including cooperation with the European Union and international bodies, both through resources of its own and through programs of collaboration with universities and other national or international public and private organizations.

The Optical Technology Group of VSL has its main competence in the field of radiometry and photometry. The experience on LED-based traceability built in the SIB07 PhotoLED project on ‘future photometry based on solid-state lighting products’, will be relevant to the current JRP. VSL has long term experience in managing large complex projects like iMera Plus, EMRP and EMPIR projects as a coordinator. An experienced project management office is available to provide project support. VSL is the coordinator of the MetTLM project.

Aalto-korkeakoulusäätiö sr

Aalto’s Metrology Research Institute (MRI) is the designated institute (DI) of Finland, responsible for maintaining and developing national standards in optical quantities. Aalto offers research and metrology services at the highest technical and scientific level for all collaborators and customers in all areas of photometry and radiometry. MRI has an excellent record of international collaboration, publications, and completed doctoral theses in measurements of optical quantities, as documented in the Annual Reports of the Institute. Aalto has developed different kinds of (trap) detector configurations for use in the wavelength ranges from UV to IR. Furthermore, Aalto has established experience in developing high-quality measurements of photometry quantities.

Centre Scientifique et Technique du Bâtiment (CSTB)

The CSTB (Scientific and Technical Centre for Building) is the French public institute providing research, consultancy, testing, training and certification services to the construction industry. The mission of the CSTB is to ensure the quality and safety of buildings, and to support innovation from the idea to the market. It brings together multidisciplinary skills to develop and share essential scientific and technical knowledge.

The CSTB lighting laboratory is specialized in both artificial lighting and daylighting, in buildings and outdoor spaces. The laboratory features several testing facilities devoted to the performances of materials, windows and other daylighting devices, lamps, luminaires and optical sensors. The lighting laboratory has been actively involved in a “Light and Health” research program, addressing contemporary issues about the influence of light and lighting on human health, such as the blue light hazard and the effects of temporal light modulation of LED lighting products.

Danmarks Tekniske Universitet (DTU)

DTU Electro is the Department of Electrical and Photonics Engineering at the Technical University of Denmark. The department has extensive experience with a broad range of optical and electrical technologies, and specifically solid-state lighting, and light measurement. The photometric laboratory at DTU Electro was renovated in 2014 to meet the requirements of the CIE S 025 and equipped with 1-m and 2-m integrating spheres and a near-field goniophotometer with measuring distance of 1.4 m, as well as equipment for accurate measurement of both AC and DC power.

The laboratory has participated in IC2013 and IC2017 intercomparisons of SSL measurements. The laboratory is normally used for both commercial tests and research purposes. In this project the facilities will be used to analyze the use of new methods for measurements TLM in SSL products, in the setting of a test and research laboratory, as well as teaching exercises.

Gigahertz Optik GmbH

Since its foundation in 1986, Gigahertz-Optik has always strived for excellence in optical radiation metrology, both in the equipment it produces and the calibration services it offers. A comprehensive product line of UV- visible-NIR instrumentation is designed to enable users to achieve the very best levels of measurement uncertainty.

The Gigahertz-Optik calibration laboratory has been certified by DKD / DAkkS since 1993 (DAkkS certification D-K-15047-01-00) and has been an ISO-IEC/EN 17025 accredited laboratory since 2009. In 2013 the BTS256-EF spectral light and flicker meter was successfully introduced. In 2016 the product line was extended and further enhanced with the inclusion of new metrics as defined in CIE TN 006:2016 / NEMA 77-2017. Gigahertz-Optik has undertaken private inter-comparison and evaluation work with major manufacturers and certification organisations to verify its equipment’s measurement of PstLM (flicker) and SVM (stroboscopic effect).

Institute of Communication and Computer Systems (ICCS)

The Institute of Communication and Computer Systems (ICCS) is a non-profit Academic Research Body established in 1989 by the Greek Ministry of Education as the research arm of the School of Electrical and Computer Engineering (ECE) of the National Technical University of Athens (NTUA), with which it is associated. Up to date ICCS has participated in more than 230 projects (FP6, FP7), 76 projects of Horizon 2020 and in more than 500 national projects. The personnel of ICCS include more than 500 research associate scientists.

The Lighting Laboratory of ICCS is equipped with 3 goniophotometers, 3 integrating spheres, spectroradiometers, various illuminance, luminance and radiance meters, an ILMD, standard sources, photometric bench and various supportive equipment. Lighting Laboratory has developed its own imaging system for luminance measurements of road and tunnels from a moving vehicle. Lighting laboratory of the ICCS stands as the only photometry facility in country for both educational and research purposes. Main activities also are the provided measurement and technical consulting services to Greek lighting industry, governmental bodies and private companies. The assessment of TLM and TLA from artificial light sources is one of the current priorities of the laboratory in order to serve the need for the local industry and market regarding the EU Single Lighting Regulation related measurement services.

LMT Lichtmesstechnik GmbH Berlin

LMT Lichtmesstechnik GmbH Berlin has been manufacturing photometers, colorimeters, goniophotometers, and other light measurement instruments in Berlin, Germany since 1974. Since the very beginning, LMT has aimed to develop, produce and support highest precision photometric measurement instrumentation, ranging from hand-held instruments for light measurement to complex and highly automated goniophotometric measurement systems for both general lighting markets and the automotive industry.

LMT is a privately-owned company, independent from any other organisation. All shareholders are working actively in the management. LMT has 40 employees. Over 80% of its turnover is for export markets, with its products and services being sold to almost every country in the world. LMT delivers photometric and colorimetric instruments covering a wide range of applications, but also performs calibration and maintenance or repair services.

Physikalisch-Technische Bundesanstalt (PTB)

PTB is the German National Metrology Institute offering measurements and calibrations with great care at the highest metrological level in science and technology. The Division “Optics” has demonstrated its experience in the fields of optical technology, applied radiometry, photometry, time and frequency with many international Key Comparisons where PTB has acted as CCPR and EURAMET Pilot laboratory.

The Department “Photometry and Spectroradiometry” is responsible for the dissemination of all photometric units and characterisation of all kind of semiconductor detectors used in photometry and radiometry. The department is experienced with state-of-the art CCD- and CMOS-based colour-ILMDs and CCD-based spectroradiometers and uses several of these devices in research and calibration activities. The 10 MHz frequency reference of PTB, available at the photometry laboratories, serves as an absolute reference for frequency counters and voltage-to-frequency converters.

RISE Research Institutes of Sweden AB

RISE is a state-owned research institute with over 2000 employees. RISE is the national institute for technical evaluation, research, testing, certification, metrology and calibration, and it is working closely with large and small companies, universities, institutes of technology, and other organisations. RISE's activities cover a wide technical range, with over 40 different technology areas organised in six inter-working technical divisions. There is a strong effort to provide domestic companies with technical and scientific competence, thus a priority is dissemination to the public in the more popular scientific journals.

The Photometry and Radiometry group of RISE acts as the National Metrology Laboratory and performs calibrations and testing in these fields to customers worldwide. The group also performs extensive research in the field of light and lighting. RISE was a partner in the EMRP project ENG62 MESaIL that among other things involved a study of human perception and influence on well-being when working in an office with dynamic lighting, and in a separate study human perception, concentration and reaction time in modulated office lighting.

Signify Netherlands BV

Signify is the world leader in lighting for professionals, consumers and lighting for the Internet of Things. Our energy efficient lighting products, systems and services enable our customers to enjoy a superior quality of light, and make people’s lives safer and more comfortable, businesses more productive and cities more liveable. Former Philips Lighting for more than 125 years we have pioneered breakthroughs in lighting and been the driving force for many innovations. Our track record in innovation is strong and we invest heavily in R&D to stay at the forefront of technological developments. Signify continues to innovate in LED lighting and is leading the industry’s expansion to lighting systems in both the professional and consumer markets. Our position as the industry leader in connected lighting, makes Signify the lighting company for the Internet of Things (IoT). Signify is the world leader in lighting for professionals, consumers and lighting for the Internet of Things. Our energy efficient lighting products, systems and services enable our customers to enjoy a superior quality of light, and make people’s lives safer and more comfortable, businesses more productive and cities more liveable. It is the ambition of Signify to improve people’s lives with light by delivering unique value and energy efficient solutions to consumers and professional customers, every day, everywhere. We are using deep customer insights and technological innovations, coupled with our trusted brand and global leadership positions, to lead the digital lighting revolution. Signify spans the entire lighting value chain – from light sources, luminaires, electronics and controls to full applications and solutions. Signify is a leading LED bulb, modules and luminaire manufacturer. Signfiy has world-class optical measurements laboratories with years of experience in measurements of light and has been involved in LED light measurements since 2006.

Technische Universiteit Eindhoven

The Human-Technology Interaction (HTI) group is part of the department Industrial Engineering and Innovation Sciences of the Eindhoven University of Technology. Its research is focused on how humans affect technology development and on how technology affects human performance and behaviour. One of the focal areas within the HTI-group is human (visual, auditory and haptic) perception. The visual perception cluster of the group has extensive experience in generating knowledge on the human visual system relevant for display and lighting applications. Research includes characterization and optimization of (3D) LCD technology and their signals based on human vision research, understanding and optimization of color perception for displays and lighting, defining and measuring atmospheric lighting, and more recently measuring and modelling temporal light artefacts.

Van Holsteijn en Kemna BV (VHK)

VHK is a leading technical consultant for the European Union's Ecodesign and Energy Labelling programmes, working on methodologies, numerous studies and impact assessments, with over 30 years of experience. Ongoing or recent studies include Space and Water Heating, Ventilation Units, Electric Motors, Industrial Fans, Compressors, Electronic Displays, Refrigerators, Light Sources, Lighting Systems, Vacuum Cleaners, Windows. VHK contributes to the Ecodesign Working Plan 2020-2024, manages the Ecodesign Impact Accounting (combined impact of all measures) since 2014, and is active in monitoring EU standard development for the European Commission (ecodesign context).

VHK recently contributed to studies regarding mercury in lamps (RoHS legislation). Most people in VHK have a background in Industrial Design Engineering. VHK Product developments include: low-temperature radiator, ventilation system, integrated fan-heat exchanger, luggage trolley for airports, luminaires. VHK is well known and has many contacts in the ‘Ecodesign and Energy Labelling entourage’, including the European Commission’s DG ENER, DG GROW and DG ENV, the Member State representatives in the Ecodesign Consultation Forum, Market Surveillance Authorities, European Industry Associations, European Consumer Organisations and Non-Governmental Organisations.




This project (20NRM01 MetTLM) has received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme.