Table 1 Petal amplitude ratio under different strain states with the same sum of principal strain (θ = 15°)

From: Quantifying the in-plane strain influence on second harmonic generation of molybdenum disulfide

 

εθ

εθ+90

η1

η2

A

0.4

0

0.520

0.741

B

0.3

0.1

0.723

0.856

C

0.25

0.15

0.850

0.924

D

0.2

0.2

1

1

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