Zi-wei XU, Bao-xing XIONG, Zhao-wen CAO, Kuai-sheng ZOU. Crystallization Mechanism of Photo-thermal-refractive Glass in SiO2-Al2O3-ZnO-Na2O(F, Br) System[J]. Acta Photonica Sinica, 2020, 49(7): 716002
- Acta Photonica Sinica
- Vol. 49, Issue 7, 716002 (2020)
Fig. 1. The appearance of grating lines
Fig. 2. Raman of PTR glass before and after treatment
Fig. 3. Peak intensity near 1100cm-1
Fig. 4. The upper half of the PTR glass is exposed, the lower half is not exposed
Fig. 5. SEM of PTR glass at each processing stage
Fig. 6. Transmittance curve before and after treatment of two sets of PTR glass
Fig. 7. Crystallization of NaF under different treatment time at 460℃
Fig. 8. Crystallization of NaF under different cooling time from 530℃ to 200℃
Fig. 9. Crystal size of NaF under different nucleation time
Fig. 10. Crystal size of NaF at different nucleation temperature
Fig. 11. Crystallization of NaF at different crystallization time
Fig. 12. Crystal size of NaF at different crystallization temperature
Fig. 13. Crystal size of NaF at different UV dosage
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