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Institut d'optique d'Aquitaine
Rue François Mitterrand
33400 TALENCE - FRANCE
Tél. : +33 524 545 200

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ALPhANOV
Centre technologique optique et lasers

NEW ADRESS AND PHONE NUMBER

Institut d'optique d'Aquitaine

Rue François Mitterrand

33400 TALENCE - FRANCE

 

Tél : +33 524 545 200
Mail : info@alphanov.com


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Achievements

Triggered picosecond laser platform

ALPhANOV introduces a new triggered picosecond laser platform based on a fully fibered innovative design. This platform enabled the development of compact, robust and therefore reliable lasers, at a very affordable cost.

 

The technology offers triggered picosecond pulses generally synchronized on TTL signal: this provides a more versatile operation than picosecond mode-locked lasers.

 

This platform is optimized to provide efficient frequency conversion and thus allows laser sources to operate at 1064, 532 or 355 nm, with pulse widths of less than 100 ps. Tests have also demonstrated operation with pulses of shorter duration down to femtosecond, still with a fully fibered deign and with a synchronized trigger.

 

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he combination of high average power (above 50 W), high repetition rate (up to 2 MHz) and pulse energy of up to 50 μJ leads to a family of sources dedicated to numerous applications including: industrial machining for photovoltaic applications, selective ablation, cutting glass or LEDs; nonlinear optics via nonlinear crystals or fibers (supercontinuum generation, for instance).

 

Examples of performance available through the platform:

 

Wavelength

1064 nm

532 nm

355 nm

Pulse width

100 ps

80 ps

< 80 ps

Pulse energy

50 µJ

20 µJ

8 µJ

Repetition rate

0 to 2 MHz

0 to 2 MHz

0 to 2 MHz

Power

50 W

25 W

2 W

M2

< 1,2

< 1,2

< 1,2

Pulse stability

< 1% RMS

< 1% RMS

< 1% RMS

Polarization

Vertical, > 100 :1

Vertical, > 100 :1

Vertical, > 100 :1

Slots

Material: Platinum

Dimensions :

  • Slots width : 40 µm
  • Bars width : 40 µm

 

 

Work station:

  • Femtosecond laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • Micromachining station: NOVALASE

ARCOCE - Rear ceramic composite bodies

Research and innovation in the sector composites for aerospace

About the project :

 

The aerospace market is preparing to renew its fleet of aircraft and associated engines. This renewal in 2015 must take into account the requirements established by the Kyoto Protocol. These come to ambitious goals, particularly in terms of reducing the consumption of kerosene, forcing engine manufacturers to improve the efficiency of their engines while reducing their weight.

 

In this context, Snecma Propulsion Solide, under the auspices of the SAFRAN Group, positions itself as a supplier of engine parts made of a thermostructural composite based on a ceramic matrix. This innovative material has two significant advantages compared to metal alloys: its lightness and its resistance to high temperatures. Before using this material in series, it is essential that it reaches a sufficient level of technological maturity. Many challenges remain before us that are related to the development of the material and to the implementation of its production processes, to the realization of demonstration trials, and to achieving a reasonnable sale price.

 

ALPhANOV's role :

 

Develop specific processes for laser micromachining of these composite materials.

 

Partner : Herakles (groupe Safran)

 

Overall budget : EUR 19 million

 

Funding : DGCIS / Région Aquitaine

Spanners

Material: Stainless steel 316L

 

Dimensions:

  • Minimum width: 100 μm
  • Thickness: 100 μm

 

 

Work station:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800mW

  • Galvanometric head

Boneprinting

Laser assisted bioimpression for in vivo bone tissue engineering in mice.

About the project :

Tissue engineering can be defined as the set of techniques and methods based on the principles of engineering and of life sciences to develop biological substitutes that can restore, maintain or improve tissue functions. Hence, research in this area is an interdisciplinary field combining knowledge and methods from physics, cell biology, chemical engineering, material science, mathematics.

 

In this context, we are interested in developing a methodology for biological materials printing by laser. Based on the principle of the method Laser-Induced Forward Transfer (LIFT) method, Laser-Assisted Bioprinting (LAB) was proposed in 2002 by the Naval Research Laboratory (Washington, USA) for the deposition of biomolecules and cells on the surface of biomaterials. This method has the advantage of allowing large degrees of freedom in terms of the nature and the volume of biological elements to be "manipulated", and enjoys the advantages of laser technologies such as lack of contact, spatial resolution and manipulation speed.

 

ALPhANOV's role :

Validate the methodology for laser assisted biological materials printing, optimize the procedure,  and develop, if necessary, a well-suited laser source.

 

Partners : University Bordeaux 2, Inserm, CIC-IT, UPMC, CMCP, Collège de France.

 

Overall budget : € 650 k

 

Funding: CRA, ANR

Diaphragms

Material: Stainless steel 316L

 

Dimensions :

  • Diameter: 100 μm
  • Inter-holes: 20 μm
  • Thickness: 100 µm

 

 

Work station:

  •  Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • Galvanometric head

CALAS - autonomous and secure laser ignition cell

About the project :

CALAS project which was completed in late 2011, brought forth the development of a prototype for a laser ignition chain that incorporates the latest developments in laser technology (source and fiber) and demonstrates the potential of this technology by testing ignition of a combustion chamber of an aircraft gas turbine.

 

Results: Successful ignitions for air / kerosene mixtures, under standard conditions, as well as under some degraded conditions (pressure and temperature), representative of difficult ignition conditions.

 

Two challenges, both environmental and economic, entice to continue this work beyond CALAS proof of concept :

  • the ability to implement economical ways to use turbines for twin turbines helicopters
  • optimized ignition for future generations of combustion chambers with low  nitrogen oxides emissions

The studies will be continued under a new project aimed at achieving a quasi industrial maturity (robustness and cost) under 3 years.

 

Partners : Turbomeca (groupe Safran), CPMOH (maintenant LOMA)

 

Overall budget :  € 663 k

 

Funding : CRA

PET cutting

Dimensions :

  • Minimum width: 100 μm
  • Thickness: 350 µm

 

 

Work station:

  • DPSS laser

Pulse duration: 35 ns
Wavelength: 266 nm
Repetition rate: 80 kHz
Average power: 1,8 W

  • Galvanometric head

Femtoprint

About the project :
 

Femtoprint aims to develop a 3D printer for the realization of microsystems in glass with nanometer resolution, in a volume not exceeding that of a shoebox. The aim is to give a large number of users from industry, research and universities, the ability to produce their own microsystems, rapidly, without expensive infrastructure or expertise. Recent research has demonstrated the ability to create three-dimensional patterns in glass using low power femtosecond laser beams.

 

This simple process can be applied to a wide variety of systems from micro to nanoscale dimensions. The patterns can then be used to make integrated optical components or be "developed" by etching to form three-dimensional structures such as channels for microfluidics and micro-mechanical components. This process also enables to achieve sub-micron resolution and to produce patterns smaller than the wavelength of the laser. The energy required being small, the process only involves a simple femtosecond oscillator.

 

Partners : CSEM, Quintenz, EPFL, University of Southampton, Amplitude Systèmes, Eindhoven University of Technology, Mecartex.

 

Overall budget :  € 3.4 million

 

Funding : European Commission (FP7, NMP call)

 

First prototype of the "Femtoprinter", presented in December 2011 in Brussels, at the first European Innovation Convention

.

LNP Key

About the project:

 

The wood primary processing industry is highly dependent on the quality of its supply management. LNPKEY focuses on tracking wood from its entering the park until its first transformation. This choice is justified by the current lack of solution to relate the characteristics "forest" and the characteristics "timber" in real time and per logs.

 

LNPKEY proposes to make the prototype of an innovative traceability system dedicated to wood primary processing, which improves the management of companies' lumberyards to better manage raw material. Deployment of LNPKEY solutions may well demonstrate the benefits of data capitalization and its restitution in real time to improve competitiveness.

 

ALPhANOV's contribution : Development of the reading laser


Partners : Ciris Ingénierie, FCBA, SEGEM, FPBois, ITM

Overall budget :  € 1.4 million

Funding : CRA, Oséo

ISOCEL - Innovative solar cells

About the project :

 

Between now and 2020, France needs to reduce its energy dependency and its emissions of greenhouse gases. Solar technologies have emerged as one of the primary solutions. They also carry important economic issues for our country, especially for export. They participate in the development of strategic markets such as energy storage, "smart" power grids (Smart Grids), and positive energy buildings (BEPOS).

 

Following the Call for Expressions of Interest "Solar" and "Photovoltaic" of the Investments for the Future Program , 64 projects supported by 227 companies and research laboratories were applying for funding from ADEME. The Agency has selected 14 winners at this stage. These projects have in common to reduce the costs of energy systems based on solar resources, to improve their overall performance, and to reduce their environmental impact.

 

Among these projects, the Isocel project in which ALPhANOV participates, intends to establish a competitive and sustainable manufacturing industry of new generation photovoltaic modules specifically aimed at the construction sector. The heart of innovation lies in polymeric materials for protection and encapsulation.

 

 

ALPhANOV's contribution :

 

Within this project, ALPhANOV is in charge of the laser subsystem intended to be used for the thin film processes to be developed.

 

Partners :

 

Arkema, Canoe, CEA, CNAM, CNRS, CSTB, Fonroche, INES, Innoveox, Mondragon Assembly, Nexcis, Polyrise, Solarezo.

 

Overall budget : € 30.2 million

 

Funding : ADEME

Download the attached document

Aluminium ablation

Dimensions:

  • Aluminium thickness: 200 nm
  • PET thickness: 100 µm

 

 

Workstation:

  • Excimer laser

Pulse duration: 30 ns
Wavelength: 248 nm
Repetition rate: 250 Hz
Average power: 80 W

  • XY stages

Blue laser

Development of a new family of high-power blue fiber lasers

About the project :

 

The 488-nm blue wavelength corresponds to a clearly identified need in the field of high power lasers, for applications interesting to the bio-medical instrumentation field. The most significant relevant markets are DNA sequencing, flow cytometry and laser Doppler anemometry.

 

Laser equipment capable of meeting the needs for the upgrade and the development of related equipment parks are based on diode-pumped, micro-structured fiber optic technology, with frequency conversion of the infrared flux produced by the source. The frequency conversion takes place in a ferroelectric crystal with periodic domain inversion (PPLN), capable to provide excellent power yield. The high  power levels achieved and conveyed are made possible by the use of micro-structured large mode area single mode fibers (LMA).


Coupling of these components and mastering of the fibered architectures for achieving efficient and compact blue sources tailored to the needs of the market, are the subject of the project.

 

ALPhANOV's contribution :

Development of specific fibered architectures. 

Partners : ALS, CNRS, Université Bordeaux 1, Université Bordeaux 2, ALPhA Route des Lasers, Région Aquitaine.

Overall budget: € 350 k

Funding : Oséo

Kapton cutting

Dimensions:

 

  • Thickness: 75 µm

 

 

Workstation:

  • DPSS laser

Pulse duration: 35 ns
Wavelength: 266 nm
Repetition rate: 80 kHz
Average power: 1,8 W

  • Galvanometric head

PERCEVAL

About the project :

 

The PERCEVAL project, led by SNECMA, has the overall goals of reducing the environmental impact of air transport, the reduction of noise from the engine, the validation of the structural strength of composite structures of the fan module in case of a loss of a turbine blade, the reduction of the finition cycles, and the reduction of the environmental impact of scouring.

 

The work of ALPHANOV fit into this latter objective by developing an innovative process of laser scouring of composite parts in order to avoid the use of chemicals.


Several laser technologies will be tested (IR and UV fiber lasers, COTEA laser, Excimer laser, ...) to determine the solution with the best compromise between scouring selectivity, productivity and low damage to the composite substrate. These optical methods will be compared to cryogenic,  sodium bicarbonate spraying, and water jet stripping.

 

In addition to the stripping process, ALPHANOV's expertise will build on the skills of Aquitaine laboratories to develop an active control of the process in order to limit damage to the composite substrate during stripping operations. The LIBS technique (Laser Induced Spectroscopy Breackdown) which consists of analyzing the spectral signature of the plasma created during ablation, will be applied in collaboration with the LOMA (Laboratoire Ondes and Materials of Aquitaine). A second method, based on the study of acoustic waves generated by the ablation process will in turn be developed in partnership with the LMP (Laboratory of Mechanics Physics). 

 

ALPhANOV's contribution :

 

Development of the laser process and of its active control.

 

Partners : AD Industrie, LISJ Aerospace, Rescoll, Snecma (groupe Safran)

 

Overall budget : € 8.9 million

ABS drilling

Dimensions:

  • Diameter: 50 μm
  • Thickness: 2 mm

 

 

Workstation:

  • Excimer laser

Pulse duration: 30 ns
Wavelength: 248 nm
Repetition rate: 250 Hz
Average power: 80 W

  • XY stages

Cleanlase

About the project :

Development of an industrial machine for surface treatment by fiber lasers incorporating a mechanism for monitoring of the process in real time.

 

This cleaning system is completely non-polluting and respectful of the objects to be cleaned. It is based on the use of innovative fiber lasers producing relatively short high power pulses. The principle is to be part of a pattern of sustainable development by increasing the lifetime of industrial objects through their regular cleaning, free from wear and without creation of waste pollutants.

 

The project involves several steps:

 

Develop and industrialize a new highly innovative fiber laser source, highly reliable and that will deliver about 200 Watts average power.

 

Develop a demonstrator for the use of a class IV laser in hostile industrial environment, for the manual cleaning of elastomer molds.

 

Develop a control system based on LIBS to constantly check the quality of the process.

 

Develop a beam-shaping system for converting a Gaussian beam into a square top-hat profile in order to improve the efficiency and accuracy of the cleaning process. The set will be tested on the cleaning of tire molds in collaboration with major manufacturers.

 

ALPhANOV's contribution :

Participer au développement de la source laser, concevoir le démonstrateur, mettre au point le système de contrôle.

Participate in the development of the laser source, design the demonstrator, and develop the control system.

Partners : Eolite Systems, LOMA, Quantel

Overall budget :  € 1.4 million


Funding : FUI

PC drilling

Dimensions:

  • Input and output diameters: < 50 µm
  • Length: 2 mm

 

 

Workstation:

  • Excimer laser

Pulse duration: 30 ns
Wavelength: 248 nm
Repetition rate: 250 Hz
Average power: 80 W

  • XY stages

Lab on a chip

Material: Glass

 

Dimensions:

  • Depth of the channels: 20 μm
  • Length of the channels: 100 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • XY stages

DIODE

About the project:

 

Establishment of a platform of expertise and resources around components, modules and subsystems based on laser diodes.


This project, which is part of a Relocation Plan (PLR), is structured around four main objectives:

  • development of next generation control electronics ;
  • design and modeling for beam generation and beam shaping ;
  • establishment of a platform for integrating components and subsystems ;
  • development of sub-systems that combine high power (peak or average) and high brilliance in a range of costs that is non-prohibitive for industrialization.

The project will enable the development of expertise and resources dedicated to the prototyping of innovative diode laser systems, including skills in electronic modeling, optics, opto-mechanics, and thermal management. It will thus help the different partners of the consortium manage the value chain for the industrialization of their components and equipment.

 

ALPhANOV's contribution :

 

ALPhANOV will host the platform, ensure its inception and implementation, and carry out various work related directly to the project. It will coordinate the whole project.


Partners : ALS, Amplitude Systèmes, Eolite Systems, Innoptics, Novae.

Overall budget : € 560 k

Funding : PLR

VESUVE

About the project :

  

The VESUVE project aims at achieving a high rep rate UV laser of industrial reliability for marking cables applications, for which the market demands always larger speed and functionality.

 

The innovations include the laser source and the management of the laser beam, for a new type of marking machines, faster and more flexible.

 

Technological breakthroughs generated will enable partners to increase their current market shares. New applications will also be considered to address new markets.

 

Partners : Amplitude Systèmes, Cristal Laser, IMS, Innoptics, LAAS-CNRS, Laselec.

 

Overall budget : € 2.57 million

 

Funding : FUI

 

Intravolume marking

Material: Glass

 

NAGINELS process consists in focusing a laser beam under the surface of a transparent material. Each pulse then writes a very fine point up to a few microns.

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • XY stages

Silicon etching

Dimensions:

  • Depth: < 20 μm
  • Depth control: 1 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • Galvanometric head

Stainless steel structuration

Material: Stainless steel 316L

 

Dimensions:

  • Diameter: 22 mm
  • Nanostructuration periodicity: 1 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 100 kHz
Average power: 800 mW

Watch hands

Material: Gold

 

Dimensions:

  • Minimum width: 180 μm
  • Thickness: 50 μm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • Galvanometric head

Stainless steel drilling

Dimensions:

  • Minimum diameter: < 50 µm
  • Thickness: 100 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration : 500fs
Wavelength: 1030nm
Repetition rate: 10kHz
Average power: 800mW

  • NOVALASE micromachining system

 

Kapton etching

Dimensions:

  • Etching depth: 125 μm
  • Thickness: 350 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration : 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power : 800mW

  • Galvanometric head

Grid

Matérial: Platinum

 

Dimensions:

  • Width of the bars: 10 µm
  • Thickness : 100 µm

 

 

Workstation:

  • Femtoseconde laser

Pulse duration: 500 fs
Wavelength: 1030 nm
Repetition rate: 10 kHz
Average power: 800 mW

  • NOVALASE micromachining system

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