Question

which instrument polarized light​

Answer 1

Answer:

Pockels cell

Asymmetric crystals can be utilized to produce polarized light when an electric field is applied to the surface. A common scientific device that employs this concept is termed a Pockels cell, which can be utilized in conjunction with polarized light to change the polarization direction by 90 degrees.

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Answer 2

Polarimeter is the answer

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