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Laser-induced Forward Transfer of Ag Nanopaste

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Published on: March 31, 2016

Laser-lithography on non-planar surfaces.

Daniela Radtke, Uwe D Zeitner

|June 18, 2009

Summary

A novel laser-lithography system enables micro-optical element fabrication on curved surfaces, overcoming previous limitations. This breakthrough allows for new hybrid achromatic refractive-diffractive elements on non-planar substrates.

Area of Science:

Optics and Photonics
Materials Science
Manufacturing Technology

Background:

Traditional micro-optical element fabrication is restricted to planar surfaces.
Existing technologies face limitations in accommodating complex surface geometries.
There is a need for advanced fabrication methods for micro-optics on non-planar substrates.

Purpose of the Study:

To present a modified laser-lithography system for micro-optical profiles on non-planar surfaces.
To demonstrate the fabrication of micro-optical elements without surface shape restrictions.
To showcase the system's capability through the design and fabrication of a hybrid achromatic refractive-diffractive element.

Main Methods:

Extensive modification of a laser-lithography system.

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Development of a system capable of realizing micro-optical profiles on non-planar surfaces.

Design and fabrication of a diffractive lens on a convex spherical substrate.

Main Results:

Successful fabrication of micro-optical elements on a non-planar surface.
Demonstration of a hybrid achromatic refractive-diffractive element.
Validation of the extended system's functionality for new applications.

Conclusions:

The modified laser-lithography system overcomes previous technological restrictions on surface shape.
The system enables new possibilities for fabricating micro-optical elements on complex geometries.
The demonstrated hybrid element highlights the system's potential for diverse applications.