Optical grating

Transmission SNOM image of the special optical grating made with 532.8 nm wavelength diode pump laser .

Optical grating

Transmission SNOM image of the special optical grating made with 532.8 nm wavelength diode pump laser .
size: 17x17 um
SPM principle: Transmission mode

The microobjective focus SNOM image

Plasmons on the silver surface

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