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Saser (Sound Amplication by Stimulated Emission of Radiation)

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posted on Jun, 5 2005 @ 04:22 PM
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A theoretical scheme of a saser (Sound Amplification by Stimulated Emission of Radiation) is proposed. A liquid with gas bubbles is used as the active medium. Pumping is performed with an alternating electric field or mechanical vibrations of the resonator. Phase bunching of initially incoherent radiators (bubbles) occurs under the action of acoustic radiation forces. The proposed scheme is similar to that of a free-electron laser. Two models of an active medium are studied. In the first model it is assumed that all bubbles have the same radius. In the second model a continuous distribution of bubble radii is studied. The starting values for sasers with square and cylindrical resonators are calculated. It is shown that in all cases studied these conditions are identical, to within a numerical factor. The operation of a saser in a nonlinear regime and the directional pattern of a saser in the saturation regime are studied.

Link--- scitation.aip.org...




posted on Jun, 5 2005 @ 08:30 PM
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This looks very interesting , but what would the application be for such a device ? Nothing come to mind right now..better ipods ?



posted on Jun, 11 2008 @ 08:10 PM
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reply to post by Merkeva
 


Use your imagination. You can make somebody miles away hear, what you want to say. And probably only he hears the sound "in his head" and nobody else near him.
And you could brake walls, resonating at the right spots with a right rythm/amplitude(/wave shape) - from a distance. It can be also very harmful to the people.
And maybe with that principle you can transmit some quantity of energy through the air. Ad more: think of leaver and ultrasonic technology. If they can break stones inside the soft tissue, maybe they could cause changes on a microlevels of matter being. Let's say melt a metal without heating it then mixed it with some liquid. And break stone or ice in the mountains, on a safe distance. Clean work, cheap too. Very harmful.
And the new era of discoteques... where each wisitor would hear different music, according to his coordinates/position in the room. The name could be Music on the spot or something.
Anyway, there's an interesting stuff on a google video named Cymatics soundscape. There you can see, what soud does to matter.
Or better, you see a dance of creative sound and willing matter.



 
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