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Equipment

    14. Z-scan setup

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Technique 

A laser beam is focused on the sample and the transmittance, expected to give non-linear absorption is recorded in the far field through an aperture as a function of the distance to the focal point (Z-direction).

Units

fs laser system, detection part.

Instrument type

Homemade

Complexity level

Basic

Applications

The setup is used to measure the nonlinear optical properties of materials.