Frequently asked questions
Higher fluence delivers more energy; must be balanced with safety and efficacy.
Light phototypes: typically 10-100 J/cm²; dark phototypes: 30-50% reduction.
Yes. Longer pulses = lower energy peak, requiring fluence adjustment.
Measured in J/cm² (joules per square centimeter); depends on power and spot size.
Not recommended; risks of burns and skin complications. Follow device specifications.
Multiple passes at moderate fluence are safer than a single pass at maximum fluence.
Caractéristiques
| Parameter | Unit | Typical range | Treatment impact | Optimization |
|---|---|---|---|---|
| Fluence | J/cm² | 15-320 | Efficacy vs safety | Adjust according to phototype and wavelength |
| Pulse duration | ms | 0-200 | Thermal distribution at depth | Longer = penetration, shorter = safety |
| Frequency | Hz | 1-10 | Treatment speed | High for speed, low for cooling |
| Spot size | mm | 6-25 | Fluence and penetration | Large = speed, small = precision |
| Energy per pulse | J | Depends on spot | Total amount of energy delivered | E = F x A (Surface area) |
Références scientifiques
- Anderson RR, Parrish JA. Science 1983;220(4596):524-527
- Ibrahimi OA et al. Dermatol Ther 2011;24(1):94-107
Sources scientifiques
- . . Lasers Surg Med (2001) ;29 :416-432 . PMID: 12030874
- . . J Cosmet Laser Ther (2008) ;10 :24-33 . PMID: 18330795
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Demander une démonstration Ce contenu est fourni à titre informatif et ne remplace pas un avis médical professionnel. Contenu vérifié par l'équipe technique NeoCure — 23/03/2026