ElFys Oy
The superior performance of ElFys photodetectors is based on an inventive combination of modern MEMS nanotechnology and atomic layer deposition. The core technologies are patented and in the possession of the company.


Our offering
ElFys designs and manufactures photodetectors based on novel black silicon technology, enabling superior sensitivity over a wide wavelength range from UV to NIR. Photodetectors are used in a wide range of products such as spectroscopy instruments, wearable health monitoring devices, and X-ray scanners. ElFys technology is also applicable to CMOS imaging sensors, offering unmatched capability for low-light imaging.
About ElFys Oy
ElFys was founded in 2017 and is located in Espoo, Finland. The company is based on long-term research work at Aalto University. Our core team consists of senior researchers, engineering leaders and business professionals. 40% of ElFys staff are women, and we speak 7 languages at native level.
What kind of partner we are looking for
ElFys products’ high sensitivity provides several benefits compared to existing products on the market: - Better data with higher signal to noise ratio -Extended battery lifetime by saving in LED power consumption - Smaller device footprint for better product design
Tel: +358 40 5577716
Tekniikantie 12 02150 Espoo