Schematic of s-SNOM principle and comparison of higher-order signals (2nd–7th). (IMAGE)

Aerospace Information Research Institute, Chinese Academy of Sciences

Schematic of s-SNOM principle and comparison of higher-order signals (2nd–7th).

Caption

Schematic of s-SNOM principle and comparison of higher-order signals (2nd–7th).a The schematic diagram of the measurement principle of s-SNOM. b The electric field strength from the 2nd to the 7th order. c Signal-to-noise ratio (SNR) values from the 2nd to the 7th order.

Credit

Microsystems & Nanoengineering

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