CO2 Laser Cooker
Posted on | May 26, 2009 |
CO2 Lasers are more noted for their use in laser marking on cooking utensils than for their use in actually cooking food however, if you were thinking about using a laser beam to cook your food you might be too late. A patent for a laser powered cooker has been released. It uses a CO2 laser which produces an intense but invisible beam is split and using a beam splitter and directed by mirrors toward the food.
Why would you need a laser cooker apart from the fact that it is cool. It is claimed that the food should cook the food in seconds but I doubt this as the food is not in general localised with respect to the beam. Where the beam is incident, the surface of the food would be cooked instantly, however, the heat transferred into the food is by conduction and this depends on the thermal conductivity of the material. This is also seen in a microwave oven where the microwave have penetrated the food but have been absorbed before they reach the centre leaving it cold until the heat conducts into the food.
Price is also an issue as a CO2 laser system costing around $5000 for even a small laser, this cooker would be a very niche market. The safety of a 100W CO2 laser which emits an invisible beam might also be questionable in the dometic enivironment. If you went to check the chicken it might be the last thing you saw before being blinded and/or burned.
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