Fig. 12
From: Nonlinear plasmonics: second-harmonic generation and multiphoton photoluminescence
SHG applications. (a) The grain boundaries and edges of the monolayer dichalcogenides were observed by using a dark-field SHG microscope. Reprinted with permission from Nano Letters 2020, 20, 284–291.
Copyright 2020 American Chemical Society. (b) Single silver nanodimer and nanorod were observed by using SHG mapping. Reprinted with permission from Journal of the American Chemical Society 2005, 127, 12,482–12,483. Copyright 2005 American Chemical Society. (c) Far-field SHG intensity plotted in a polar diagram showed a flip of 90° as the diameter of gold nanodimer increases. Reprinted with permission from The Journal of Physical Chemistry C 2016, 120, 17,699–17,710. Copyright 2016 American Chemical Society. (d) Far-field SHG intensity plotted in a polar diagram revealed a slight symmetry break in the shape of gold nanorod. Reprinted with permission from Nano Letters 2013, 13, 1787–1792. Copyright 2013 American Chemical Society