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Figure 3 | Nanoscale Research Letters

Figure 3

From: Photoinduced refractive index variation within picosecond laser pulses excitation as the indicator of oxyorthosilicates single crystals composition modification

Figure 3

The experimental setup for self-action technique. (a) The photoinduced total transmittance variation studies due to the NLO absorption (the sample is positioned at the aperture of the photodiode in order to prevent scattering losses); (b) the spatial profile analysis (the beam passes the finite on-axis diaphragm in the far field) for the NLO refraction measurements.

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