NM JGS1 2 0 1.458481 67.755646 0 0 -1 dd@qk`Zl&A  
GC equivalent to Coming 7940; data:https://wavelength-tech.com/IR-Optics/Material-JGS1_cn.jsp 4N|^Joi  
ED 5.500000000E-01 0.000000000E+00 2.200000000E+00 0.000000000E+00 0 0 b7^VWX%  
CD 3.049408972E-01 1.455495768E-02 7.991701441E-01 5.444959945E-03 9.011788134E-01 9.834979480E+01 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 9s8B>(L  
TD 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 2.000000000E+01 g@BQ!}_#5  
OD -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 h/j+b.|  
LD 1.85000000E-01 2.50000000E+00 qM~ev E$%  
IT 1.85000E-01 1.00000E+00 1.00000E+00 mp:%k\cF|  
IT 2.50000E+00 1.00000E+00 1.00000E+00