1. Why is glass preferred over glass for micro-optical components?
It offers high stability, thermal durability, and optical-grade clarity.
2. What micro-optical components can be produced in glass?
Micro-lenses andmicro-mirrors (incl. micro-prisms) from spherical to aspherical up to fully freeform can be laser-fabricated with micrometer accuracy.
3. How smooth are optical surfaces made with femtosecond lasers?
Surface roughness below 10nm can be reached, which is suitable for optically active surfaces.
4. Can micro-optics be integrated into optical assemblies?
Yes, precise alignment features and fiducials can be included for assembly.
5. Which glasses are best for optical performance?
Fused silica is the material of choice for our process .
6. Are glass micro-optics compatible with coatings?
Yes, AR, reflective, and metal coatings can be applied for performance enhancement.
7. What tolerances are achievable in optical microstructures?
±1µm down to submicron shape accuracy can be obtained for given geometries.
8. How does glass compare to polymers in optics?
Glass maintains optical stability under heat and time, unlike several polymer alternatives.
9. Is mass production feasible for micro-optics in glass?
Yes, wafer-level processing supports scalability for optical components.
10. Which shapes and feature sizes can be achieved with laser micromachining?
Any 2.5D up to 3D shape is achievable and feature sizes can be arranged from 10's-100's
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