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Nuevo láser en estado sólido con copolímero como compuesto activo

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20170323001
Publicado:
12/04/2017
Caducidad:
12/04/2018
Resumen:
Un equipo de investigación español ha desarrollado un nuevo láser orgánico en estado sólido cuyo compuesto activo incluye un copolímero. Las principales ventajas de esta tecnología son la fotoestabilidad, miscibilidad y procesabilidad en finas capas y la efectividad en la generación de láser en longitudes de onda diferentes. El láser puede emplearse en espectroscopía, biosensores, sensores químicos y comunicaciones ópticas. El sistema láser desarrollado es un dispositivo con realimentación distribuida (DFB), donde una película delgada que contiene COPV es puesta sobre un sustrato. Este sustrato suele estar compuesto de vidrio, sílica fundida, SiO2 o una película polimérica. La universidad busca socios con el fin de establecer acuerdos de licencia o cooperación técnica.

Details

Tittle:
Innovative solid-state laser with a copolymer as active compound
Summary:
A Spanish research group has developed a new organic solid-state laser where the active compound comprises a copolymer. The main advantages of this technology are photostability, miscibility, processability in thin layers and effective for laser generation at different wavelengths. It can be used in: spectroscopy, biosensors, chemical sensors and optical communications. The university is interested in licensing or technical cooperation agreements.
Description:
Carbon-bridged oligo(p-phenylenevinylene) (COPVs) are new organic dyes with which impediments like photostability, solubility, efficiency and processability in thin layers are largely eliminated, making them unique in many ways among the most well-known laser organic systems:

(i) a robust all-carbon skeleton is available here in a homologous series made of the repeating unit, which gives them high emission quantum yield close to unity over the broad range of visible light region (around 380-590 nm) as well as high stability against light irradiation and carrier injection,
(ii) a flat and rigid pi-system with strained bicyclo[3.3.0]octene substructure can be excited with low photoexcitation energy, and
(iii) substituents on the bridging carbon atoms and peripositions are available, which allow to equip them with miscibility and dispersibility in matrices.

A Spanish research group has developed a system that comprises a laser device (solid body) containing COPV, which refers to polymers, oligomers, homopolymer, homooligomer and mixed polymer or mixed oligomer.

The laser system developed consists of a device with distributed feedback (DFB), where a thin film, containing COPV is set over a substrate. This substrate is usually composed of glass, melt silica, SiO2 (silicon dioxide) or a polymeric film.

Over this substrate, a solid film with a 0.5-1 µm thickness is deposited (although it can be higher). This layer is a thermoplastic polymeric material where COPV have been previously dispersed. A layer of COPV without being dispersed on the thermoplastic polymeric material can also be used. Additionally, an active photosensible layer can also be added (photoresist material).

In the developed system, the relief grating is imprinted on top of the substrate layer, or on top of the additional layer of a photoresist material or on top of the film containing COPV. This can be imprinted by holographic lithography or by thermal nano-printing lithography.

This technology can be applied in diferent applications, such us: spectroscopy, biosensors, chemical sensors, or optical communications

The university is looking for companies wishing to commercially introduce this laser via licensing agreement or to jointly develop it or adapt it to the company´s needs through a technical cooperation agreement.
Advantages and Innovations:
The laser developed material shows the following advantages:

· Soluble and miscible in order to allow thin layer processing.
· Low-cost.
· Photostable.
· Efficient for laser light generation.
· Ability for emission at different wavelengths.

While, the most innovative aspect is the fact that the same laser development combines efficiency, stability, wavelength tuning and liquid solution procesable.
Stage of Development:
Under development/lab tested
IPs:
Patents granted
CommeR Statunts Regarding IPR Status:
Spanish patent granted. PCT application.

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: Companies
- Specific area of activity of the partner: spectroscopy, biosensors, chemical sensors, or optical communications.
- Task to be performed: Commercial exploitation of the technology; Joint research and development project to further develop or adapt the laser to the company´s needs.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
09001007 Tecnología óptica relacionada con la realización de medidas
05003002 Óptica