LIGO detected not the gravity wave but the SLF wave

Beyond the boundaries of established science an avalanche of exotic ideas compete for our attention. Experts tell us that these ideas should not be permitted to take up the time of working scientists, and for the most part they are surely correct. But what about the gems in the rubble pile? By what ground-rules might we bring extraordinary new possibilities to light?

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LIGO detected not the gravity wave but the SLF wave

Unread postby ja7tdo » Mon Dec 11, 2017 11:09 pm

translation by google from my blog in Japanese.
https://translate.google.co.jp/translate?sl=ja&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fzao.jp%2Findex.php%3Fblog%3D12&edit-text=

Researchers who detect gravitational waves receive the Nobel Prize, and there is atmosphere that seems to have gravity waves surely. However, from the eyes of amateur radio HAM, the detection of gravitational waves is a perfect misunderstanding. Because LIGO's laser detector is the same principle as a detector that detects radio waves using the same laser.

http://www.nbi.ku.dk/english/news/news1 ... th-lasers/

Most people think that radio waves come in as electric signals from the antenna. However, the laser detector developed by Niels Boer Laboratories in Germany captures radio signals as vibration.
In ordinary receivers, electric waves are once converted into electric signals, amplified by a semiconductor, and detected. However, the laser detector detects the phenomenon that radio waves vibrate the metal foil as vibration as it is.
The radio wave signal led to the capacitor causes the metal foil of the capacitor to vibrate. By applying a laser to a metal foil and comparing it with the reference light, it is possible to pick up the signal very sensitively.
This system is almost the same as the LIGO system to capture gravitational waves. In the case of LIGO, an arm for detecting underground is placed to shield radio waves. I did not mention it in the commentary, but I will also have given ground (earth). It is to avoid the influence of electromagnetic waves.
However, the electromagnetic waves around 100 Hz that LIGO is about to detect are called SLF, and it is an extremely long wave 30Hz to 300Hz. It is known that SLF is a wavelength which is very difficult to shield. Since the VLF above the SLF is transmitted even underwater, it is used for communication of submarines. Also, amateur radio studies have found that it also propagates through the ground. There are also attempts to predict an earthquake by receiving SLF from the crust.
That is, radio waves around 100 Hz can not be shielded and directly impart vibration to the object. LIGO's 4 km arm is a bad sensitivity antenna. Because it is electromagnetic waves that we were able to observe the same waveform at two places.
The same can be said for KAGRA in Japan.
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Re: LIGO detected not the gravity wave but the SLF wave

Unread postby Zyxzevn » Sun Dec 17, 2017 6:57 am

ja7tdo wrote:That is, radio waves around 100 Hz can not be shielded and directly impart vibration to the object. LIGO's 4 km arm is a bad sensitivity antenna. Because it is electromagnetic waves that we were able to observe the same waveform at two places.

Yes. That is certainly possible.
And the frequencies are to low and the signal to weak to be detected by the other instruments.
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