Raman spectroscopy
1) Excitation wavelength: λ 2) effective numerical aperture : N.A. 3) d l is determined by twice the Rayleigh criteria of the adjacent distance required to spatially resolve the presence of an identical size spots Laser focused spot size.. 1.22* N A d l λ = Delivering the light N.A. 514.5 785 0.12 2.72 4.15 0.25 1.31 1.99 0.4 0.82 1.25 0.75 0 ...
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