Abstract
Laser amorphization of glass-ceramics (LAGC) is investigated by optical pyrometry and video recording. Due to this new knowledge, the mechanism of local LAGC is made clear as a phenomenon leaded by thermal kinetic. The required power density and temporal range of CO2-laser irradiation for amorphization of a typical glass-ceramic (GC) α-TiO2 2MgO · 2Al2O3 · 5SiO2 is defined. It is demonstrated that a wide range of miniature optical components such as lenses, lenslet arrays, waveguides, geodesic (plane) lenses, etc...can be fabricated by LAGC.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 137-144 |
| Number of pages | 8 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5063 |
| DOIs | |
| State | Published - 2003 |
| Externally published | Yes |
| Event | Fourth International Symposium on Laser Precision Microfabrication - Munich, Germany Duration: Jun 21 2003 → Jun 24 2003 |
Keywords
- Crystallization
- Glass ceramic
- Laser amorphisation
- Local heating
- Microoptics
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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