Page 67 - Chalcogenide Glasses for Infrared Optics

Chalcogenide Glasses 45

R
R Calculated Calculated
R Literature Average %
Composition Measured Value % Error Value Error
PS 7.36 8.49 +15.4 7.36 0
4
Ge PS 8.26 9.23 +11.7 8.27 +0.1
3 6
Ge S 8.90 9.30 +6.5 8.90 0
2 3
As S 9.44 9.42 –0.2 9.44 0
2 3
Se 11.55 11.51 –0.4 11.55 0
P-Se 11.17 11.44 +2.4 11.31 +1.3
9
PSe 11.35 11.35 0 11.06 –1.7
4
AsSe 11.85 11.52 –2.9 11.62 –1.9
9
AsSe 11.55 11.54 –0.1 11.68 +1.1
4
Si-Se 11.65 11.31 –2.9 11.65 0
9
Ge As Se 11.33 11.56 +2.0 11.36 +0.3
16 47.3 36.7
Ge As Se 11.45 11.54 –0.3 11.35 –0.8
15 45 40
Ge P Se 10.70 11.36 +6.2 10.70 0
3 3 14
Ge-Se 11.23 11.49 +2.3 11.23 0
9
SiAsTe 13.42 14.55 +8.4 13.53 +0.8
2
Si PTe 16.05 15.96 +0.4 15.21 –5.2
2 7
Si PTe 16.55 16.76 +1.3 15.77 +1.3
3 16
Si As Te 13.70 14.43 +5.3 13.70 0
3 2 5
Si As Te 12.95 13.74 +6.1 13.23 +2.2
3 3 4
Si As Te 13.90 14.66 +5.5 13.90 0
2 3 5
GeAs Te 14.07 15.09 –7.3 14.63 +4.0
4 5
GeAs Te 15.95 16.47 +3.2 15.87 –0.5
2 7
Ge P Te 15.83 15.90 +0.4 15.81 –0.1
3 4 13
Ge As Te 13.40 14.03 +4.7 13.58 +1.3
3 10 7
GeAs Te 14.30 14.75 +3.1 14.52 +1.5
10 9
GeAs Te 13.65 14.05 +2.8 13.96 +2.3
12 7
Ge As Te 16.25 16.77 +3.2 15.83 –2.6
3 2 15
Ge As Te 16.15 16.79 +4.0 16.02 –0.8
2 3 15
Average ±4.1 ±1.1
TABLE 2.5 Molar Refraction Values of Chalcogenide Glasses