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The term nanotechnologies refers to all theories and techniques used to produce and handle minuscule objects equal in size to one billionth of a metre (i.e. a nanometre). This technology requires very high precision tools to visualise, detect and analyse activities on such a small scale.
 The nanotechnologies sector is flourishing, with nanotechnology company turnover
growing 100 times quicker than information technology majors.
Worldwide revenue generated by nanotechnologies:
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was in excess of 40 billion euros in 2001,
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is expected to exceed 700 billion euros in 2008,
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could exceed 1,000 billion euros by 2015.
Nanotechnologies can be used in a host of sectors: cosmetics, medicine, materials, energy, etc.
The health risks of nanotechnologies
According to a study published on 25 September 2007 by the INRS (French Occupational Health and Safety Institute), these minuscule particles, whose diameter measures 1,000 times less than that of a single hair (10–100 nm), are more likely than larger particles to enter the lungs, micro-cracks in human skin, and probably the brain.
Given the absence of applicable standards and information regarding levels of toxicity, CILAS can provide a concrete solution as a precautionary measure. This consists of laser-based equipment that will prevent operators from coming into contact with nanoparticles in industrial facilities and factories.
To this end, Cilas will use its expertise in the fields of:
Adaptive optics
Lidars (Light Detection & Ranging)
Particle-size analyzers
Top-quality technical solutions will be provided as a precautionary measure:
- Online characterisation of the particles produced (automation of processes).
- Remote detection of airborne particles (for safe workshop conditions).
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NANOTECHNOLOGY
THE CHALLENGES 
