Abstract
The laser-induced modifications in two kinds of glass-ceramics (GCs) with composition TiO 2 -SiO 2 (Sitall ST-50) and Li 2 O-SiO 2 (Fotoform) were investigated for fabricating optical elements. The laser-induced change of refractive index and surface relief constituted the first step of this task. The second stage was a chemical processing including ion exchange (Li ↔ Na, K, Rb, for "Fotoform" GCs) and etching of irradiated and non-irradiated areas. As a result of the above-mentioned processes, mini- and micro-optical components based on two GCs have been fabricated: lenses and lens arrays, waveguides and other waveguiding components, diffractive gratings, etc.
Original language | English (US) |
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Pages (from-to) | 231-237 |
Number of pages | 7 |
Journal | Applied Surface Science |
Volume | 248 |
Issue number | 1-4 |
DOIs | |
State | Published - Jul 30 2005 |
Externally published | Yes |
Keywords
- Crystallization
- Glass ceramics
- Laser amorphization
- Local heating
- Micro-optics
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics
- General Physics and Astronomy
- Surfaces and Interfaces
- Surfaces, Coatings and Films