Tellurite And Fluorotellurite Glasses For Active And Passive

6. Optical properties; MDO 208
Table (6.7) summarises the positions (P), half-widths (W), and areas (A) of these bands.
Table (6.7): Positions (P), half-widths (W), and areas (A) of OH bands for glasses of the
series (90-x)TeO2-10Na2O-xZnF2, mol. %, for 5 ≤ x ≤ 30 mol. % (glasses MOF001, 004
to 008).
Glass x ZnF2 / mol. % Weak OH Free OH
MOF
P /
ID
cm -1
W /
cm -1
A /
(cm -1 ) 2
P /
cm -1
W /
cm -1
A /
(cm -1 ) 2
004 30 2929 317 11 3325 326 6
001 25 2919 301 16 3309 284 7
005 20 2910 267 7 3335 319 4
006 15 2927 324 9 3343 226 3
007 10 2947 400 23 3324 232 5
008 5 2924 406 58 3274 273 15
Table (6.8) and fig. (6.35) summarise the areas of these bands.
Table (6.8): Percentage of OH groups for glasses of the series (90-x)TeO2-10Na2OxZnF2,
mol. %, for 5 ≤ x ≤ 30 mol. % (glasses MOF001, 004 to 008).
Glass MOF x ZnF2 / Weak Free
ID mol. % OH / % OH / %
004 30 62 38
001 25 71 29
005 20 63 37
006 15 74 26
007 10 82 18
008 5 79 21