Astrophysics

   

Gravitational Waves Detection Through Electromagnetic Waves, Frequency Shift, or Induced Current Measurement

Authors: Dhananjay P. Mehendale

We propose two novel techniques for detecting gravitational waves. First technique is based on detecting electromagnetic waves generated through oscillating dipoles formed by separated charges on capacitor plates kept perpendicularly to incoming gravitational waves, in the y-z plane say. We keep two parallel plate charged capacitors in the y-z plane, kept perpendicularly to each other with plates kept perpendicularly to y-z plane and let the separation between plates be d say. When plane gravitational waves will be passing this apparatus by falling perpendicularly on y-z plane there will be switching of direction of elongation and contraction periodically in such a way that there will be elongation along y-direction and contraction along z-direction and then the reversal of these conditions, i.e. there will be contraction along y-direction and elongation along z-direction. Due to this the separation between these fully charged parallel plates will be changing periodically. This variation will essentially amount to formation of several oscillating dipoles which will emit electromagnetic waves. If these electromagnetic waves could be found then their existence will conclude the arrival and passing of gravitational waves! Alternatively with the same setup can be utilized based on variation in the value of capacity of the above mentioned parallel plate capacitors connected with suitable inductors and a power supply forming a resonant LC circuit and measuring the shift in the resonant frequency. If detectable shift in the resonant frequency will be found due to variation in the value of capacity with variation in the value of separation between the parallel plates of the capacitors then this will imply the successful detection of gravitational waves! The second technique we propose is based on replacing usual suspended Weber bar by a strong magnet and keeping a fixed helical solenoid around this strong magnet and connecting two ends of this solenoid wire two current meter to measure the induced current. When the magnetic Weber bar will oscillate in response to passing gravitational wave there will be change in magnetic flux producing induced current in the solenoid coil. If detectable current will be found to be induced in the coil then again this will imply the successful detection of gravitational waves!

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[v1] 2012-09-16 08:11:39

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