Table 9 \(\chi^{\left( 3 \right)}\) values obtained for CuMn2O4; CuMn2O4GO and CuMn2O4GOFe3O4 under CW laser excitation.

From: Enhanced nonlinear optical properties of GO and Fe3O4-Modified CuMn2O4 nanocomposites

Sample

\(n_{0}\)(Z-scan)

Re \(\chi^{\left( 3 \right)} \left[ {esu} \right]\)\(\left( { \times 10^{ - 3} } \right)\)

Im \(\chi^{\left( 3 \right)} \left[ {esu} \right]\) \(\left( { \times 10^{ - 3} } \right)\)

\(\left| {\chi^{\left( 3 \right)} } \right|\left[ {esu} \right]\) \(\left( { \times 10^{ - 3} } \right)\)

CuMn2O4

1.364

3.2

6.5

3.3

1.6

6.8

1.7

1.4

1.1

1.8

CuMn2O4GO

1.364

1.5

6.4

1.6

2

8.5

2.1

1.9

8.06

2

CuMn2O4GOFe3O4

1.363

4.4

7.3

4.4

4.3

5.8

4.3

4.9

6.3

4.9