How much can a laser burn through?

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SUMMARY

The discussion centers on the factors influencing a laser's ability to burn through materials, specifically wattage, wavelength (nm), and burn time. Participants emphasize that wattage directly correlates with the energy output, while the wavelength affects absorption rates in different materials. Additionally, the concept of specific heat capacities is introduced, suggesting that an equation involving Joules is necessary to calculate the energy required to burn through a specific volume of material.

PREREQUISITES
  • Understanding of laser wattage and its impact on energy output
  • Knowledge of laser wavelengths (nm) and material absorption characteristics
  • Familiarity with thermal properties, specifically specific heat capacities
  • Basic principles of energy calculations, particularly Joules
NEXT STEPS
  • Research the relationship between laser wattage and material penetration depth
  • Explore how different wavelengths affect laser-material interactions
  • Study the concept of specific heat capacity in various materials
  • Learn about energy calculations for thermal processes, focusing on Joules
USEFUL FOR

This discussion is beneficial for laser enthusiasts, materials scientists, and engineers interested in understanding laser-material interactions and energy calculations for thermal applications.

JoeSalerno
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Relatively simple question, I'm new to lasers and just had a basic question. What effects what a laser can burn through? Is it wattage, nm, burn time, or what? Is there an equation for how many Joules it takes to burn through a volume of a given material using specific heat capacities? To ease your mind, I'm not planning on building anything or burning stuff, just a question that kinda popped up in my head.
 
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