Literature comparison of two-photon absorption coefficient with its energy with different laser excitations.

Sample	Laser	NLO response	β cm W−1	Ref.
MoS2 (ref. 48)	532 nm, 5 ns	RSA	0.75 × 10−8	48
CdFe2O4 (ref. 53)	532 nm, 50 mW	2 PA	5.87 × 10−3	53
C–N–S-doped TiO2 NPs (ref. 54)	532 nm, 9 ns, 10 Hz	2 PA + ESA	2.12 × 10−8	54
Cu2O (ref. 55)	532 nm, 5 ns	2 PA + ESA	6.4 × 10−9	55
CdMoO4 (present work)	532 nm, 5 ns	2 PA	2.4 × 10−8