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. Author manuscript; available in PMC: 2017 Jun 28.
Published in final edited form as: Chem Rev. 2017 Apr 17;117(11):7276–7330. doi: 10.1021/acs.chemrev.6b00729

Figure 2.

Figure 2

Point emitter generates an Airy spot (a) with an intensity profile (b) given by eq 1. The wavenumber k, used in (b), is 2π/λ. The intensity profile and diffraction spots were plotted using a simple Python script.