3D

3D Glass Micro-Structures and Optics

Electro-optics

FEMTOPRINT enables high-precision 3D microfabrication in glass - creating complex micro-structures and micro-optics (e.g., lenses, mirrors, waveguides) directly in or on glass for photonics, sensing, and advanced optical systems

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3D glass micro-structures & optics - monolithic, maskless, and designed for real devices

Modern optical and photonic products are getting smaller, denser, and harder to assemble. FEMTOPRINT addresses that by manufacturing true 3D features in glass - not just surface patterns - so optical functions can be integrated into one monolithic part instead of being built from multiple aligned components.

Their platform is built around ultrafast (femtosecond) laser micromachining and Selective Laser Etching (SLE): a maskless approach that supports complex internal geometries while reducing alignment/assembly steps common in traditional, multi-mask microfabrication flows.

Micro-optical elements in glass Create micro-lenses, micro-mirrors, and arrays with fully 3D free-form surfaces for beam shaping, light redirection, and compact optical architectures. FEMTOPRINT highlights optical-grade surface quality (roughness < 10 nm) and micron- precision shape accuracy for miniaturized optics.

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Green Architecture

Evermind™ template is crafted like sustainable structures — clean, scalable, and built to last.

Precision Engineering

Every layout and component is tuned with variables and pixel-perfect details, so your brand stands on solid ground.

Dynamic Interactions

From nature-inspired transitions to fluid page structures, Evermind™ feels alive yet quietly sophisticated.

Green Architecture

Evermind™ template is crafted like sustainable structures — clean, scalable, and built to last.

Precision Engineering

Every layout and component is tuned with variables and pixel-perfect details, so your brand stands on solid ground.

Dynamic Interactions

From nature-inspired transitions to fluid page structures, Evermind™ feels alive yet quietly sophisticated.

3D waveguides written inside glass (volumetric routing)For integrated photonics and optical interconnect, FEMTOPRINT supports direct writing of 2D/3D waveguides within the bulk of fused silica or borosilicate glass, enabling beam routing/splitting/coupling and multi-layer routing in a single wafer - useful when planar-only layouts become limiting.

Integrated functionality - optics + mechanics + alignment in one part

‍A core advantage is the ability to combine optics with micro-mechanical structures and/or waveguides in glass for high-precision alignment and compact integration (reducing secondary assembly and improving stability).

3D waveguides written inside glass (volumetric routing)For integrated photonics and optical interconnect, FEMTOPRINT supports direct writing of 2D/3D waveguides within the bulk of fused silica or borosilicate glass, enabling beam routing/splitting/coupling and multi-layer routing in a single wafer - useful when planar-only layouts become limiting.

Integrated functionality - optics + mechanics + alignment in one part

‍A core advantage is the ability to combine optics with micro-mechanical structures and/or waveguides in glass for high-precision alignment and compact integration (reducing secondary assembly and improving stability).

3D waveguides written inside glass (volumetric routing)For integrated photonics and optical interconnect, FEMTOPRINT supports direct writing of 2D/3D waveguides within the bulk of fused silica or borosilicate glass, enabling beam routing/splitting/coupling and multi-layer routing in a single wafer - useful when planar-only layouts become limiting.

Integrated functionality - optics + mechanics + alignment in one part

‍A core advantage is the ability to combine optics with micro-mechanical structures and/or waveguides in glass for high-precision alignment and compact integration (reducing secondary assembly and improving stability).

Questions, answered with clarity.

We’ve collected the questions we get all the time, and actually answered them. No mystery, no marketing poetry - just facts. Still have an open question? We're here to help:

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How smooth can the optical surfaces get?

Average surface roughness can reach < 10 nm, which is suitable for optically active surfaces.

What accuracy/tolerances are achievable?

Typical tolerances are ±1 µm down to submicron shape accuracy (depending on geometry).

Which glass material should I pick for best optical performance?

Fused silica is the go-to option for the process and optical performance.

Can you add optical coatings (AR / reflective / metal)?

Yes - AR, reflective, and metal coatings can be applied to boost performance.

Which wavelengths are these glass photonic structures typically suited for?

Glass photonics commonly supports UV to near- IR; waveguides are often optimized for near- IR, and processes can be developed for VIS too.

The Epigenomics Ram Laboratory

Nano-Optics Lab

The Epigenomics Ram Laboratory

3D Glass Micro-Structures and Optics

3D glass micro-structures & optics - monolithic, maskless, and designed for real devices

Let us help you

Questions, answered with clarity.

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