ElFys
ElFys Oy
Espoo, Finland
About
Founded in 2017, ElFys is a defense component supplier based in Espoo, Finland working in optronics, radar & sensors, space.
ElFys is a Finnish company, founded in 2017 and based in Espoo, that develops and manufactures photodetectors based on patented black silicon induced junction technology. Its photodiodes offer high sensitivity from UV to near-IR with a wide viewing angle, and are produced in-house at Micronova in Espoo, with high-volume production through an external European foundry. Products include standard photodiode and quadrant detector lines, and customised designs and technology licensing. Target markets include wearable health monitoring, analytical instruments, space and defence sensing. The company has a NATO DIANA accelerator background, participated in European Defence Fund 2024 selection, and has a dual-use 4-quadrant product for defence and commercial sensing. It also holds an ESA contract for hard X-ray and gamma-ray detection.
Location
Founded
Legal name
Focus areas
Languages
Products & capabilities
Defense domains
Supply-chain role
What they offer
Markets
Products
4-Quadrant Detector
NIR-optimized quadrant photodiode
Black silicon 4-quadrant photodetector for NIR detection, combining high responsivity, low dark current, fast response and positional information. Used for beam tracking, alignment and laser guidance. Reported responsivity of 0.64 A/W at 1064 nm.
PD Product Line (PD1s, PD4s, PD25s, PD100s)
Photodiode
Black silicon induced junction photodiodes with high photosensitivity over a wide spectral range, including UV.
QPD Product Line (QPD-385-Y, QPD-385-YH)
Quadrant photodiode
Quadrant photodetectors based on ElFys black silicon technology.
SM Product Line (SM322, SM446)
Photodetector
Photodetector products from the ElFys SM product line.
