Table 4. The figure of merit of all the as-prepared and laser-irradiated In₁₀Se₇₀Te₁₅Bi₅ thin films.

Sample	I L (A)	I D (A)	I L − ID (A)	Photo sensitivity (%)	Responsivity (R) (A W−1)	Detectivity (D*) (Jones)
0 min	1.73 × 10−7	1.59 × 10−7	1.34 × 10−8	8.39	3.46 × 10−5	7.66 × 107
5 min	3.74 × 10−7	2.84 × 10−7	9.09 × 10−8	32.02	7.49 × 10−5	1.24 × 108
15 min	2.71 × 10−6	2.5 × 10−7	2.07 × 10−7	8.29	5.42 × 10−4	3.02 × 108
30 min	7.55 × 10−6	7.2 × 10−7	3.53 × 10−7	4.9	1.51 × 10−3	4.97 × 108
60 min	1.26 × 10−5	1.17 × 10−7	9.04 × 10−7	7.72	2.52 × 10−3	6.51 × 108