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Optical fiber coating

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Design and optimize turnkey coating devices for wet silver coating and metal evaporation coating
We need these processes and devices for our own prototyping and manufacturing. We also consider offering coating services and sell coating devices to generate revenue for SENSORICA members.  

This process/device is capable of coating the cross section (tip) of single [optical] fibers. The device itself is very low cost, the process takes only minutes, perfect for prototyping and manufacturing.


  • Most of our optical fiber displacement/force transducer need metal coating. 

Short-term goals

  • Finish proof-of-concept experiments for single optical fiber evaporation coating. NOT STARTED
  • Finish proof-of-concept experiments for silver coating of a single optical fiber in a drop (wet coating in the drop). See ongoing research DONE!
  • Launch the crowdfunding campaign (members only) to fund further R&D and product design. STARTING...

Long-term goals

  • Build two turnkey coating devices, one for wet silver coating and one for metal evaporation coating. under way...  
  • Set up optical fiber coating services.
  • Setup optical fiber coating device manufacturing and distribution.                     . 


  • Launch the crowdfunding campaign (members only) to fund further R&D and product design.  
  • Build a wet silver coating AND metal evaporation device prototype.
  • Design a turnkey wet silver coating AND metal evaporation device and its associated manufacturing process.   
  • Find a manufacturer.
  • Setup a coating facility and the coating service on our website.
  • Market the wet silver coating AND metal evaporation services and devices.


Tibi, Francois, Ivan, Daniel, Piero, Jonathan, Emily, Nori...
[This list will be replaced with a UI/script which will automatically pull info from the activity log, and display members involved and their relative contribution. See infrastructure activity cluster for more on infrastructure development.]  
live data from the contribution accounting system


For SENSORICA members
Get payed for the development work through the crowdfunding campaign (members only)
Share revenue generated from selling coating devices and form offering coating services. See SENSORICA Business Model and Contribution Accounting System.

For partners contributing to the crowdfunding campaign or contributing elsewhere
    • first access to this technology 
    • access to device at cost price 
    • access to coating services at cost price 
    • privileged access to training and tutoring

Tools, activities, and processes

Skills and resources needed

Product design, crowdfunding, electronics, automation, Arduino, chemistry, mechanical design... 


See our database SENSORICA/Literature/Optical fiber coating

Contact us if you want to contribute!

Wet silver coating device concept. Design under way... 


  • Drop mixing - improving silver deposition One problem we had in the past was the mixing of solutions in the drop. The glucose drop is more viscous than pure water. When we add the silver solution ...
    Posted May 31, 2012, 5:20 PM by Tiberius Brastaviceanu
  • Wet fiber coating of the entire glass fiber We modified our optical fiber we coating technique to coat the entire length of the fiber. The idea is to go from a drop to a grove filled with solutions ...
    Posted May 4, 2012, 8:31 PM by Tiberius Brastaviceanu
  • Wet silver coating can be automated! We are pleased to announce our last results on wet silver coating in a drop. A Mosquito was used to monitor the coating process in real time. The adjacent graph ...
    Posted Apr 22, 2012, 10:25 AM by Tiberius Brastaviceanu
  • Back to coating! We are planning another optical fiber coating work party for next week to produce a few joint-type transducers with a silver coated glass LEVER, for the Mosquito that is ...
    Posted Mar 7, 2012, 10:00 PM by Tiberius Brastaviceanu
  • Previous announcements Experimentation for proof of concept approaching completion. See ongoing research.  Device design under way.Device for silver wet coating for single optical fiber (members only)Precision metal coating of small ...
    Posted Mar 7, 2012, 9:54 PM by Tiberius Brastaviceanu
Showing posts 1 - 5 of 5. View more »
See more announcements

Wet coating with mixing

Coating tip and along the fiber

Our first experiments with wet silver coating

Seventh round of experiments

Forth round of experiments

Second round of experiments