Fiber solutions for your optical applications

Fiber laser and fiber amplifier

Keopsys manufactures the highest quality fiber laser or fiber amplifier for a large variety of applications such as Defense, Lidar (remote and in situ sensing), and Scientific research.

The Headquarters are based in France in Lannion, where 2000m² of surface area are dedicated to R&D, production, and after sales services.

Our values


We are not only a fiber laser and amplifier manufacturer; we can also meet your technical needs.

Industrial deployment

As amplifier and fiber laser technologies are now well renowned, our job is to propose real, reliable, and reproducible high quality devices.


We manufacture our units with tested components that are submitted to several inspections.

Work well-being

Each year, employees are offered the possibility to upgrade their position within the company.


Fiber Laser and Fiber Amplifier

UV, Green, Ytterbium, Erbium, Raman, Thulium fiber laser and amplifier


Happy customers


years of expertise


standard solutions


M € of revenues


Read About Our News

Keopsys takes part in events and exhibitions dedicated to optical communication, fiber lasers, military & airborne lasers, telecom… Get in touch!

Oct 20

Esira-Keopsys Group acquires an indirect equity interest in Quantel S.A.

Posted by Mélanie Leseignoux

On October 18, 2016, ESIRA, the KEOPSYS Group holding company, acquired 93.8% of the capital of EURODYNE , which holds 1,184,513 QUANTEL shares…

Read More Posted in Keopsys Group
Oct 19

ESIRA–Keopsys Group acquiert une participation indirecte dans QUANTEL SA

Posted by Mélanie Leseignoux

Le 18 octobre 2016, ESIRA, holding du groupe KEOPSYS, a acquis 93,8% du capital de la société EURODYNE[1] qui détient à ce jour…

Read More Posted in Keopsys Group
Sep 27

New General Manager at Keopsys Inc.

Posted by Mélanie Leseignoux

Keopsys Group is pleased to announce that their subsidiary Keopsys Inc. has a new General Manager: Dr. Eugene Gueorguiev. Eugene started working at…

Read More Posted in Keopsys Group

Start your new project with quality fiber solutions…

Do you want to know more about Keopsys products?

Get inTouch !

Contact us for a free quote

Our Address


2 rue Paul Sabatier
22300 Lannion

Get in touch

Send us an email or phone us

  • Tel : +33 (0)2 9605 0800
  • Fax : +33 (0)2 9605 0801

Opening Hours

Visit us !

  • From Monday to Friday
  • Hours : 9.00 am to 6.00 pm

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