Parameter:    'scale'    , value=0.980318 +/- 0.00275, bounds=[0.7, 1.2]
Parameter:     'bkg'     , value=4.07646e-08 +/- 5.24e-08, bounds=[0.0, 2e-06]
Parameter:'polymer - thick', value=280.314 +/- 0.48 , bounds=[120.0, 400.0]
Parameter:'polymer - sld', value=0.82458 +/- 0.00291, bounds=[0.6, 1.1]
Parameter:'polymer - rough', value=11.6984 +/- 0.418, bounds=[0.01, 50.0]
Parameter:'sio2 - thick' , value=12.5332 +/- 0.436, bounds=[1.0, 25.0]
Parameter:'sio2 - rough' , value=5.57368 +/- 0.698, bounds=[0.1, 8.0]
Parameter: 'si - rough'  , value=0.181626 +/- 1.68 , bounds=[0.01, 5.0]
