Stay informed

Here you will find the latest information on our company and products.


If you would like us to send you our latest newsletter by e-mail, please send us your e-mail address to this link






Get our latest newsletter and brochure sent automatically when updated!

New UV products from Kyosemi

Visit this link to see the latest UV products from Kyosemi


  • Peak emission wavelength, λP = 367nm
  • SMD type package
  • Standard type uses quartz window package


  • Optical instruments
  • Photocatalytic reactions
  • Fluorescent substance detection
  • Medical applications

New InGaAs photodiode chip detects from the side!



  • Edge illuminated type photodiode for surface mount integration
  • Low dark current


  • Back light monitor of laser power
  • FTTH digital optical communication
  • Optical interconnection

Contact us

Please contact us by phone with any questions you may have.


+44 1229 581551



Full contact details are on our contact page



New UV products

Kyosemi offer new UV devices in a special package capable of housing optical filters.

New InGaAsProducts

Side detecting InGaAS photodiodes chips make easy detection for hybrid applications

Read more