Why not simply skip the blade & use the laser for cutting? (I was involved in one of the first tests of using lasers for cutting wool in the clothing industry. Yes, everything smelled like burnt hair!) I would imagine that the ideal laser would be at a wavelength/frequency/color such that the photons would have just the right amount of energy to disrupt the chemical bonds of the material being cut. If there are multiple types of bonds, then perhaps the laser would have to have multiple "colors". At 08:13 AM 2/3/2013, Simon Plouffe wrote:
nowaday, there are very powerful lasers that can cut through just about anything, I was thinking
Suppose we have an apparatus of many lasers or maybe one reflected laser in such a way to produce an envelope of a curve, for example a caustic,
the question being : can we arrange some lasers this way to actualy sharpen a knife 'perfectly' ?
the thing is : what would be the perfect geometrical shape of a steel blade for example that would be perfect for cutting let's say vegetables or meat ? Is there a known geometry for what would be the perfect blade ?