# Optical constants for silicon-germanium (40% Ge) by PTB
# created 2023-05-30 07:52:52.873395
# Reconstructed from reflection measurements in the photon energy range 80 - 250 eV
# n = (1-delta) - (i*beta)
#
# Citation: Ciesielski, R., Bogdanowicz, J., Loo, R., Shimura, Y., Mani, A., Mitterbauer, C., ... & Soltwisch, V. (2024). Interface sharpness in stacked thin film structures: a comparison of soft X-ray reflectometry and transmission electron microscopy. Journal of Micro/Nanopatterning, Materials, and Metrology, 23(4), 041405-041405.
#
# energy/eV, 1-delta, beta
# -------------------------
80.01	0.99126	0.01673
82.01	0.99249	0.01678
84.01	0.99293	0.01699
86.01	0.99344	0.01695
88.01	0.99391	0.01669
90.01	0.99465	0.01634
92.01	0.99536	0.01578
94.01	0.99634	0.01527
96.01	0.99682	0.01393
98.01	0.99907	0.01294
100.01	1.00822	0.0148
102.01	0.99577	0.01911
104.01	0.99919	0.01833
106.01	0.99921	0.01656
108.01	0.99842	0.01767
110.01	0.99794	0.01918
112.01	0.99794	0.01918
114.01	0.9978	0.01894
116.01	0.99758	0.01971
118.02	0.99736	0.02072
120.02	0.99697	0.02128
122.02	0.99737	0.02256
124.02	0.99585	0.02263
126.02	0.99531	0.02206
128.02	0.99461	0.02177
130.02	0.9941	0.02137
132.02	0.99353	0.02086
134.02	0.99301	0.02012
136.02	0.99229	0.0194
138.02	0.99169	0.01877
140.02	0.99156	0.01824
142.02	0.99131	0.01786
144.02	0.99154	0.0178
146.02	0.99171	0.01771
148.02	0.99169	0.01723
150.02	0.99178	0.01667
152.02	0.9918	0.01693
154.02	0.99133	0.01631
156.02	0.99158	0.01635
158.02	0.99145	0.01595
160.02	0.9913	0.01564
162.02	0.99118	0.01524
164.02	0.99111	0.01468
166.02	0.99101	0.01412
168.02	0.99116	0.01378
170.02	0.99118	0.01354
172.02	0.99118	0.01313
174.02	0.99094	0.01303
176.02	0.99097	0.01285
178.02	0.99111	0.01256
180.02	0.99107	0.01237
182.02	0.99128	0.01246
184.02	0.99125	0.01249
186.02	0.99117	0.01221
188.02	0.99096	0.01193
190.02	0.991	0.01165
192.02	0.99103	0.01102
194.02	0.99086	0.01061
196.02	0.99085	0.0104
198.03	0.99092	0.01009
200.03	0.99098	0.00976
202.03	0.99105	0.00937
204.03	0.99109	0.0091
206.03	0.99118	0.0089
208.03	0.99128	0.00875
210.03	0.99142	0.00868
212.03	0.99153	0.00855
214.03	0.99157	0.00826
216.03	0.99163	0.00795
218.03	0.99158	0.00775
220.03	0.99168	0.00754
222.03	0.9918	0.00739
224.03	0.99188	0.00712
226.03	0.99194	0.00686
228.03	0.99209	0.00667
230.03	0.99213	0.00642
232.03	0.99223	0.00631
234.03	0.99236	0.00628
236.03	0.99243	0.00619
238.03	0.99251	0.00611
240.03	0.99258	0.00599
242.03	0.99267	0.00585
244.03	0.99268	0.0058
246.03	0.99275	0.00582
248.03	0.99279	0.00573
250.03	0.99275	0.00566