Optical second harmonic generation in Yttrium Aluminum Borate single crystals (theoretical simulation and experiment)

Table 1 Calculated total, intra-band and inter-band contributions of Re $χ_{i j k}^{(2)} (0)$ in units of 10^-7 esu, along with the measured $χ_{i j k}^{(2)} (0)$ in units of pm/V.

Component	123	112	222	213
Re χ^ijk(0)total	-0.0011	-0.009	0.01	0.0002
Re χ^ijk(0)int er	-0.007	0.035	-0.038	0.006
Re χ^ijk(0)int ra	0.008	-0.04	0.04	-0.0085
Total Re χ^ijk(0) pm/V	-0.5	-0.7	0.8	0.5
Experimental SHG χ ^ijk(0) (pm/V)	0.12		1.03