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The 2018 Physics Nobel Prize: What ARE Optical Tweezers?

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Published on Oct 8, 2018

For more about the momentum of light see the following blog post:

https://atomsandsporks.com/2018/10/08...

Other blog posts:

https://atomsandsporks.com/

Technical Caveat #1:

In our discussion of the ball and box, everything was assumed to happen along a line and the ball was hitting perpendicular to the surface of the box. In the general case where the ball is not hitting straight on (or where light hits a mirror at an angle), only the component of the total momentum PERPENDICULAR to the surface is being reflected. The other component is unchanged.

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