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Láser de fibra sintonizable y ultra compacto


Oferta Tecnológica
Una empresa japonesa ha desarrollado un sistema láser sintonizable y ultra compacto que permite reducir la longitud de onda a 50 mm o la longitud de onda de infrarrojo cercano a 20 mm. La empresa, especializada en transferencia de tecnología, busca socios en la UE interesados en comercializar resultados de investigación procedentes de importantes universidades japonesas. El objetivo es identificar socios relevantes para establecer acuerdos de licencia con posibilidad de cooperar en materia de investigación.


Ultra-compact tunable fibre laser technology from Japan for licensing in the EU
A Japanese company is offering a licensing opportunity for a tunable laser.

The laser system enables to downsize to 50mm (visible wavelength) or 20mm (near infrared) while a conventional system is over 100mm.

The company is a technology transfer entity looking for EU partners interested in the commercialisation of research results which come from Japanese top universities. A licensing agreement will be considered with relevant partners with possibility of research cooperation.
A Japanese company, specialised in technology transfer, is offering a licensing cooperation opportunity for tunable laser to partners in Germany (main target) and other EU countries.

The company is a technology transfer entity which handles around 500 inventions on an annual basis and is under a general contract with 10 Japanese universities. They are mandated to represents the universities in the licensing of newly developed technologies.

The company offers the technology of Ultra-Compact Tunable Fibre Laser.

The laser system enables to downsize to 50mm (visible wavelength) or 20mm (near infrared/IR wavelength) while a conventional laser system is over 100mm.

The system has a simple selection mechanism: for example, wavelength tunability of 20 nm is obtained by 130µm of output mirror linear adjustment. It is not possible to achieve the same result with a conventional mechanism such as a slit or mirror with an angle adjuster for the selected wavelength.

Tunable lasers are widely used in many applications, for example: medicine (surgical laser, photodynamic therapy or OCT (Optical coherence tomography), biology (Raman spectroscopy, flow cytometry) and optical measurement Systems (Atmosphere Radar).

They are looking for an industrial partner of any size in Europe with knowledge in the laser sector who would work together with them for the commercialization of this technology.

They mainly offer a licensing agreement for commercial use of the technology, but a research cooperation agreement may also be considered although not a priority for the moment and will be considered if the partner has a proven R-Y-D knowledge in the laser technology.
Advantages and Innovations:
The company is offering Ultra-Compact Tunable Fibre Laser technology utilising the chromatic aberration of the lens with the following features:

- Simple configuration with no grating or prism
- Compact laser system: succeeded in downsizing to 50mm (visible wavelength) or 20mm (close to infrared wavelength)

The technology has been developed to focus on downsizing. In conventional tunable laser systems, a spectroscopic part such as a grating or a prism is essential. These spectroscopic parts are recognised as a bottleneck for downsizing. Their design achieves ultra-compact tunable fibre laser system by removing conventional spectroscopic systems.

The technology enables the below characteristics:
1) More Compact
GRIN (Gradient-index) lens can substitute aspheric lens relay. It decreases the number of lenses compared to conventional products and shorten the cavity length.

2) Simple selection mechanism
Output mirror can be adjusted by a piezo based positioner (For example: Microminiature ultrasonic linear actuator).

3) Multiple use:
The core materials for the desired central wavelength can be chosen.
- Praseodymium (Pr) doped fibre laser (central wavelength (CW): 480nm, 520nm, 575nm, 605nm, 640nm, 720nm, 1300nm)
- Neodymium (Nd) doped fibre lase (CW: 900nm, 1060nm),
- Ytterbium (Yb) doped fibre laser (CW: 1060nm),
- Erbium (Er) doped fibre laser (CW: 500nm),
- Thulium (Tm) doped fibre laser (CW: 2000nm).
Putting a saturable absorber such as a graphene, on the output mirror (red circle in the attached figure), the laser can operate as a nano second Q-switch pulse mode or mode-locked tunable laser.
The utilisation of an amplifier improves output power for laser beam machining.

4) Compact Fibre medium
In visible range they can use 40mm waterproof fluoride glass as a laser medium. In near infrared range, the inventor already demonstrated 4 mm length Neodymium (Nd)-doped fibre laser. This short fibre was made by zeolite method.
Stage of Development:
Prototype available for demonstration
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
They are currently applying for a patent internationally without involvement of individual country. It might be taking 1.5 - 2 years of time frame till their patent might be granted in a specific country

Partner sought

Type and Role of Partner Sought:
The company is looking for industrial EU partners of any size with activities in the tunable laser sector that would be interested to start the commercialisation of the proposed new technology under a licensing agreement.

Should the EU partner have an R-Y-D department in the laser technology they may also consider a research cooperation agreement to further develop the laser system although at this stage the licensing agreement is the main objective.


Type and Size of Client:
Industry SME 11-49
Already Engaged in Trans-National Cooperation:
Languages Spoken:


Restrict dissemination to specific countries:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech_Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom


Technology Keywords:
01002008 Optical Networks and Systems
09001007 Tecnología óptica relacionada con la realización de medidas