3D Structures on Fiber Tip

Microoptics is one of the applications for 3D laser lithography. This technology is unique in that micro‑optics can be directly printed on top of functional devices, avoiding the assembly step. In this picture, the microlens with a diameter of 50 µm is fabricated on top of the fiber. The 3D supports ensure a required 250 µm distance between the fiber tip and the lens. Such integrated optical components enable the visualization or filtering of optical signals. Possible application areas can be found in miniaturized sensing technologies.

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3D Structures on Fiber Tip
Applications Processes Industries Products

Application fields

Sensors

Multi-photon polymerization (MPP) enables the production of precise and strong microlenses and microneedles for visualization, filtering, and drug delivery. MPP can also be combined with other fabrication techniques such as selective laser etching to create hybrid microfabricated systems, like glass and polymer structures.

Applying for Industries

Defence & Aerospace

Industrial R&D

Employed Processes

Hybrid Fabrication

Femtosecond direct laser writing processes enable hybrid microfabrication of additive and subtractive technologies to create integrated systems.

Laser Nanofactory

Multi-Photon Polimerization

Multiphoton-polymerization (MPP) is a technology that enables the production of arbitrary shape polymeric structures within submicrometric resolution. First, a photoresist sample is prepared by drop-casting polymer material mixed with a photoinitiator on the glass slide and then pre-baking.

Contract Manufacturing

Feasibility Studies

A feasibility study is composed of several steps, including researching methods for fabricating micro-structures, fabricating a micro-structure prototype, measuring and aligning the prototype with technical requirements, and finally preparing a study report.

Small Scale Production

Small-scale production is an essential step in the overall process of micro-structure fabrication, helping to ensure that the developed process is effective, efficient, and capable of producing high-quality micro-structures at scale.