Re: [Vo]:Acoustic demonstration of beats

2020-10-20 Thread H LV
Perhaps the goal should be to generate beats in the electrode rather than apply beats to the electrode. If so then the original single laser experiments of Letts and Craven may have succeeded in doing that, but not very reliably. This paper says THz sound waves are now possible. https://www.epj-co

Re: [Vo]:Moving Moire beats

2020-10-20 Thread H LV
I wrote: > https://youtu.be/6I0SF0dXoZg > In addition to the generation of moire beats with different frequencies > this video also seems to show that whether the moire beats move in the same > or opposite direction as the revealing plane will depend on the spacing of > the lines in the base plane