FM2_C1_calib = 0.964 / (1+0.0004362*T_HET1)
FM2_C2_calib = 0.997 / (1+0.0004362*T_HET1)
FM2_C3_calib = 0.978 / (1+0.0004362*T_HET1)
FM2_C4_calib = 0.971 / (1+0.0004362*T_HET1)
FM2_A1_calib = 1.037 / (1+0.0004362*T_HET1)
FM2_A2_calib = 0.979 / (1+0.0004362*T_HET1)
FM2_A3_calib = 0.998 / (1+0.0004362*T_HET1)
FM2_A4_calib = 0.982 / (1+0.0004362*T_HET1)
FM2_C1H_SiH_calib = 0.166 / (1+T_HET1*(0.0009085 -1.576e-05*T_HET1))
FM2_BGO_calib = 17.099 / (1 - T_HET1*(0.008464 +1.303e-05*T_HET1))
FM2_BGO_L_calib = FM2_BGO_calib * 13.858 * (1 + T_HET1*(0.000938 -2.038e-05*T_HET1))
FM2_A11H_calib = 1.357 / (1+0.0001497*T_HET1)
FM2_A12H_calib = 1.341 / (1+0.0001497*T_HET1)
FM2_A21H_calib = 1.467 / (1+0.0001497*T_HET1)
FM2_A22H_calib = 1.352 / (1+0.0001497*T_HET1)
FM2_B11H_calib = 1.281 / (1+0.0001497*T_HET1)
FM2_B12H_calib = 1.368 / (1+0.0001497*T_HET1)
FM2_B13G_calib = 1.125 / (1+0.0001284*T_HET1)
FM2_B23G_calib = 1.162 / (1+0.0001284*T_HET1)
FM2_A11L_calib = FM2_A11H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_A12L_calib = FM2_A12H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_A21L_calib = FM2_A21H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_A22L_calib = FM2_A22H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_B11L_calib = FM2_B11H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_B12L_calib = FM2_B12H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_B21L_calib = FM2_B21H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))
FM2_B22L_calib = FM2_B22H_calib * 13.597 * (1 + T_HET1*(0.0009407 -2.065e-05*T_HET1))