Creating Pressure Wave from EM Radiation: No Explosives

In summary, the conversation discusses the possibility of creating a pressure wave using electromagnetic radiation, specifically in the context of laser induced fusion. It is mentioned that in this process, the pressure is not directly from photons but from the ablation of an outer layer due to rapid heating. The use of explosives to produce the pressure wave is also ruled out.
  • #1
plutoisacomet
89
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Hello, is it possible to create a pressure wave from any form of electromagnetic radiation that travels inward to a central point emanating from a spherical surface.

Also, the pressure wave must not be produced from explosives that are imploding.
 
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  • #2
You are describing the attempts at laser induced fusion.
 
  • #3
plutoisacomet said:
Hello, is it possible to create a pressure wave from any form of electromagnetic radiation that travels inward to a central point emanating from a spherical surface.

Also, the pressure wave must not be produced from explosives that are imploding.
The pressure due to photons depends on the energy of the photons and the intensity (number of photons) or flux (number of photons/unit area).

In the inertial confinement scheme using lasers (and even electron beams), it is not the pressure from photons, but the ablation of an outer layer as a consequence of rapid heating and energy deposition that provides the pressure (impulse) on the fuel target.
 
  • #4
Thanks guys!
 

Related to Creating Pressure Wave from EM Radiation: No Explosives

1. How does EM radiation create pressure waves without using explosives?

EM radiation, or electromagnetic radiation, is a type of energy that travels in the form of waves. When this energy is absorbed by a material, it can cause the molecules in the material to vibrate and create pressure waves without the need for explosives.

2. What materials can be used to create pressure waves from EM radiation?

Any material that is capable of absorbing EM radiation can potentially be used to create pressure waves. This includes materials such as water, air, and even solid objects like metal or plastic.

3. How does the intensity of EM radiation affect the strength of the pressure wave?

The intensity of EM radiation is directly proportional to the strength of the pressure wave it can create. This means that the higher the intensity of the radiation, the stronger the resulting pressure wave will be.

4. Are there any safety concerns when using EM radiation to create pressure waves?

Yes, there are potential safety concerns when using EM radiation to create pressure waves. The intensity and frequency of the radiation must be carefully controlled to avoid harm to living organisms or damage to surrounding structures.

5. What are some potential applications of creating pressure waves using EM radiation?

The ability to create pressure waves without using explosives has a wide range of potential applications. It could be used in industries such as mining, construction, and demolition, as well as in scientific research and military operations.

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