Tellurite And Fluorotellurite Glasses For Active And Passive

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4. Thermal properties and glass stability; MDO 103 Again these glasses were relatively stable and exhibited Tg around 281°C, 266°C, 296°C and 281°C for glasses MOD010 to MOD013 respectively. Crystallisation peaks can be seen at 343°C, 460°C and 389°C for glasses MOD011 to MOD013, respectively, resulting in Tx-Tg values of 77°C, 164°C and 108°C. Effect of WO3, Nb2O5 and Bi2O3 Fig. (4.13) shows DTA traces for glasses MOD014 (90TeO2-5WO3-5Nb2O5 mol. %), MOD015 (82.5TeO2-7.5WO3-10Nb2O5 mol. %) and MOD016 (70TeO2-25WO3-5Bi2O3 mol. %). o C MOD014 MOD015 MOD016 300 400 500 600 700 Temperature / o C Fig. (4.13): DTA traces for glasses MOD014 (90TeO2-5WO3-5Nb2O5 mol. %), MOD015 (82.5TeO2-7.5WO3-10Nb2O5 mol. %) and MOD016 (70TeO2-25WO3-5Bi2O3 mol. %).
4. Thermal properties and glass stability; MDO 104 These compositions showed Tg values at 337°C, 367°C and 366°C for glasses MOD014 to MOD015 respectively. <strong>Glasses</strong> MOD014 and MOD015 also exhibit crystallisation peaks at 456°C and 526°C respectively giving Tx-Tg values of 119°C and 159°C. Table (4.1) summarises the characteristic temperatures of melts MOD001, 002, 006 to MOD016, inclusively. Table (4.1): Characteristic temperatures for oxide tellurite glasses (see table (3.1)). MOD ID Tg / °C Tx / °C (Tx-Tg) / °C 001 274 329 55 002 288 373 85 006 282 - - 007 286 447 161 008 289 - - 009 292 - - 010 281 - - 011 266 343 77 012 296 460 164 013 281 389 108 014 337 456 119 015 367 526 159 016 366 - - 4.2.2. DTA traces of fluorotellurite glasses Effect of ZnF2 on the series (90-x)TeO2.xZnF2.10Na2O (mol. %), for 5 ≤ x ≤ 30 Fig. (4.14) shows DTA traces of glasses MOF001 (65TeO2-10Na2O-25ZnF2 mol. %), MOF004 (60TeO2-10Na2O-30ZnF2 mol. %), MOF005 (70TeO2-10Na2O-20ZnF2 mol. %), MOF006 (75TeO2-10Na2O-15ZnF2 mol. %), MOF007 (80TeO2-10Na2O-10ZnF2
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TELLURITE AND FLUOROTELLURITE GLASS
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Abstract Glasses systems based on T
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Contents; MDO i Contents Contents i
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Contents; MDO iii 6.1.2.1. Method a
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Glossary; MDO Glossary aM = partial
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Glossary; MDO λ = wavelength λn =
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Glossary; MDO Ψ = complex dielectr
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1. Introduction; MDO 2 communicatio
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1. Introduction; MDO 4 Infrared tra
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1. Introduction; MDO 6 1.4. Thesis
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1. Introduction; MDO 8 [14] J. E. S
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2. Literature review; MDO 10 one of
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2. Literature review; MDO 12 superc
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2. Literature review; MDO 14 2.2.2.
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2. Literature review; MDO 16 phenom
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2. Literature review; MDO 18 tenden
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2. Literature review; MDO 20 crysta
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2. Literature review; MDO 22 the Za
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2. Literature review; MDO 24 2.3.2.
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2. Literature review; MDO 26 Champa
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2. Literature review; MDO 28 the ad
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2. Literature review; MDO 30 (a) (b
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2. Literature review; MDO 32 showed
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2. Literature review; MDO 34 absorp
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2. Literature review; MDO 36 sharp
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2. Literature review; MDO 38 near f
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2. Literature review; MDO 40 where
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2. Literature review; MDO 42 Transm
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2. Literature review; MDO 44 origin
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2. Literature review; MDO 46 4 α =
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2. Literature review; MDO 48 Bragli
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2. Literature review; MDO 50 It can
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5. Crystallisation studies; MDO 154
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6. Optical properties; MDO 166 75-5
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6. Optical properties; MDO 168 Fig.
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6. Optical properties; MDO 170 In r
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6. Optical properties; MDO 172 wher
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6. Optical properties; MDO 176 Abso
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6. Optical properties; MDO 178 ener
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6. Optical properties; MDO 180 6.1.
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6. Optical properties; MDO 182 ( n
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6. Optical properties; MDO 186 %),
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6. Optical properties; MDO 188 Tabl
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Percentage (%) 80 70 60 50 40 30 20
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6. Optical properties; MDO 204 Loss
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6. Optical properties; MDO 208 Tabl
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6. Optical properties; MDO 214 Loss
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Refractive index, n , at 632.8 nm 6
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6. Optical properties; MDO 228 tell
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6. Optical properties; MDO 230 mole
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6. Optical properties; MDO 232 occu
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6. Optical properties; MDO 234 The
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6. Optical properties; MDO 236 addi
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6. Optical properties; MDO 238 an o
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6. Optical properties; MDO 240 30 m
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6. Optical properties; MDO 244 zinc
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6. Optical properties; MDO 246 [4]
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6. Optical properties; MDO 248 [32]
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7. Surface properties; MDO 250 7.1.
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7. Surface properties; MDO 252 For
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7. Surface properties; MDO 254 can
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7. Surface properties; MDO 256 wher
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7. Surface properties; MDO 258 etch
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7. Surface properties; MDO 260 Elem
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7. Surface properties; MDO 262 All
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7. Surface properties; MDO 264 beco
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7. Surface properties; MDO 266 prov
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7. Surface properties; MDO 268 cont
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7. Surface properties; MDO 270 LaB6
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7. Surface properties; MDO 272 7.2.
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7. Surface properties; MDO 274 Tabl
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7. Surface properties; MDO 276 This
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7. Surface properties; MDO 278 It c
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7. Surface properties; MDO 280 Fig.
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7. Surface properties; MDO 282 CPS
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7. Surface properties; MDO 288 samp
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7. Surface properties; MDO 290 20
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7. Surface properties; MDO 292 20
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7. Surface properties; MDO 294 Wt.
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7. Surface properties; MDO 296 It c
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7. Surface properties; MDO 300 The
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7. Surface properties; MDO 302 Wt.
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7. Surface properties; MDO 304 All
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7. Surface properties; MDO 306 The
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[Zn(OH,F)F] / mol. % 7. Surface pro
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7. Surface properties; MDO 310 bind
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7. Surface properties; MDO 312 ZnF2
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7. Surface properties; MDO 314 clea
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7. Surface properties; MDO 316 have
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7. Surface properties; MDO 320 quan
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7. Surface properties; MDO 322 ∫
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7. Surface properties; MDO 324 This
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7. Surface properties; MDO 326 Ther
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7. Surface properties; MDO 328 [2]
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8. Fibre drawing; MDO 330 8. Fibre
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8. Fibre drawing; MDO 332 The data
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8. Fibre drawing; MDO 334 Table (8.
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Preform 8. Fibre drawing; MDO 336 S
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8. Fibre drawing; MDO 338 (a) (b) F
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8. Fibre drawing; MDO 340 Log10(η)
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8. Fibre drawing; MDO 342 sectioned
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8. Fibre drawing; MDO 344 Fig. (8.9
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8. Fibre drawing; MDO 350 Crystals
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8. Fibre drawing; MDO 352 8.2.4. Op
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8. Fibre drawing; MDO 354 Table (8.
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8. Fibre drawing; MDO 356 confirmed
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8. Fibre drawing; MDO 358 Log10(η)
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8. Fibre drawing; MDO 360 It can be
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8. Fibre drawing; MDO 362 undercool
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8. Fibre drawing; MDO 364 1. 2. 3.
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8. Fibre drawing; MDO 366 cross-sha
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8. Fibre drawing; MDO 368 A small n
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8. Fibre drawing; MDO 370 particles
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8. Fibre drawing; MDO 372 8.5. Refe
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8. Fibre drawing; MDO 374 [25] D. M
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9. Conclusions; MDO 376 optical bas
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9. Conclusions; MDO 378 • The as-
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9. Conclusions; MDO 380 9.3. Optica
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9. Conclusions; MDO 382 • For fib
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9. Conclusions; MDO 384 edge across
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9. Conclusions; MDO 386 • For gla
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9. Conclusions; MDO 388 • The Ag
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9. Conclusions; MDO 390 • Increas
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9. Conclusions; MDO 392 [5] I. Shal
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10. Future work; MDO 394 Fig. (10.1
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Temperature / o C 10. Future work;
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Tellurite And Fluorotellurite Glasses For Active And Passive

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