I know one can find the "near field" length of an illuminated diffraction grating by calculating the Talbot Length, but I also know this is not the complete story. What happens when you have instead a light source (like a laser beam) that coherently illuminates a certain number of grating...
I should start by saying that I am a bit embarissed by asking such a silly question
By simply equating the mass-energy formula with the temperature dependence of heat...
M*c2 = M* cm *ΔT
it strikes me as odd that the mass cancels,
c2 = cm *ΔT
I was doing this in order to calculate...
It is mentioned that in optical tweezers the dielectric particles are attracted to the gradient of the laser's electric field.
Is this mechanism the same as the ponderomotive force?
If so, why is this connection not made directly?
Thanks
I am quite confused by this, because I have not yet found a compound that has a higher one. My understanding is that specific heat capacity of a molecule is based on a combination of the number of degrees of freedom the molecule has and the number of vibrational modes. As for the second factor...
I am currently reading Cohen-Tannoudji's Quantum Mechanics. In the book on page 23 there is a comment that states;
"A plane wave of type Ae^i(kx-wt) , whose modulus is constant throughout all space [cf. |ψ|^2=|A|^2], is not square integrable. Therefore, rigorously,it cannot represent a physical...
it typically states that optical tweezers are used to manipulate dielectric particles or whatnot. Is it also possible to do the same with conducting microscopic particles? what are the limitations besides mass being not too large? obviously optical trapping can be used down to the atomic scale...