Traps for Quantum Sensing: Atomic Clocks & Precision Spectroscopy
Quantum sensing is driving a new era of ultra-precise measurement systems. From optical atomic clocks to precision spectroscopy, these technologies demand extreme mechanical stability, optical alignment accuracy, and long-term vacuum compatibility.
At FEMTOPRINT, we fabricate custom 3D glass microstructures with micrometric tolerances, ideal for high-performance quantum sensing platforms. Our proprietary femtosecond laser microfabrication enables fully monolithic integration of optical and mechanical features—reducing drift, minimizing assembly errors, and enhancing performance in UHV environments.
Technical Highlights
- Geometrical precision: ±1 µm XY / ±2 µm Z
- Surface roughness on machined surfaces 100-300 nm, < 10 nm if postprocessing is applied
- Aspect ratio: ≥ 1:500 for stable optical cavities
- Deposition of metallic coatings with sputtering or evaporation techniques
- Vacuum-compatible dielectric coatings available on request
- Material: Fused silica (SiO₂), ULE®, and custom optical glasses
- Integration: Optical waveguides, fiducials, and micro-optical cavities
Applications in Quantum Sensing
- Optical lattice clocks with accuracy beyond 10⁻¹⁸ fractional frequency instability
- Precision molecular spectroscopy for quantum reference standards
- Compact interferometric sensors for acceleration, gravity, and field detection
- Ion and neutral atom traps for portable timekeeping systems
Why FEMTOPRINT technology for Quantum Sensing
- No bonding or assembly: Monolithic structures to reduce alignment error and instability
- Multi-layer structures bonded through laser welding
- Wafer-scale fabrication enables scalability and repeatability
- UHV and cryo-compatible designs for long-duration quantum experiments
- Trusted by quantum labs, OEMs, and academic researchers across Europe and the U.S.
Get in touch with us to explore cutting-edge solutions for quantum sensing applications!
