Discovery | QBox
Product description: openUC2 QBox - Quantum & Interference Kit
The QBox is an expandable experimental kit from openUC2's DISCOVERY Line, specially designed for teaching quantum optics concepts. Based on the proven UC2 modular system, it combines optical precision, modular mechanics and digital control via a pre-installed ESP32S3 module. The QBox enables students and researchers to independently carry out challenging experiments ranging from classical interferometry to quantum technology such as the ODMR experiment.
Possible experiments
- Michelson interferometer
- Mach-Zehnder interferometer
- Quantum eraser
- Double-slit and lattice experiments
- Polarization experiments
- BB84 - Quantum cryptography
- ODMR - Optically Detected Magnetic Resonance
Included modules / cubes (from screenshot & system structure)
1. CUBEKMINIR045090 - optical cube with mirror (45°/90°)
2. CUBEKMINIR053050F10R15 - kinematic mirror holder
3. CUBELAS20 - laser module cube (520nm)
4. CUBEDICHSP10 - dichroic mirror holder
1. CUBEKMINIR045090 - optical cube with mirror (45°/90°)
6. cubepbs045090 - polarization beam splitter
7. CUBENOIDEND16F25 - lens or tube module with f=25 mm
8. PUZMANYKSDA1 - universal puzzle pieces (e.g. for slits, gratings)
9. MAGSLD1 - with XYZ stage for adjusting the diamond
10. base plate
11. 5x rotating polarization filters
Technical highlights
- ESP32-S3 with UC2 firmware on control board for microwave generation and optical detection: WLAN-capable, with digital control (e.g. piezo, LED)
- Board with 3 microdiamonds and SMA connector for microwave
- Compatible with CoreBox - fits into existing analog and digital systems
- Expandable with additional UC2 modules such as motorized linear slides, LED matrices, camera holders
Learning objectives
- Understanding of interferometric principles
- Setting up basic quantum optical experiments
- Introduction to modern concepts such as ODMR and BB84
- Application of digitally controlled optics in education and research
openUC2 CoreBox
Discover Geometrical Optics Hands-On
Unlock the fascinating world of geometrical optics with the openUC2 CoreBox, a comprehensive modular kit that enables you to explore, experiment, and understand the fundamental principles of lenses, mirrors, and optical systems. Whether you're a beginner or an enthusiast, this kit is designed to make optics accessible and engaging.
Included Components
Cube Modules
- 2x 45° Mirror (fixed, front surface)
- 2x 50mm Lens
- 1x 100mm Lens
- 1x -50mm Lens
- 1x Eyepiece
- 1x Universal Smartphone Carrier
- 1x Sample Mount
- 1x Z-stage (25mm travel)
Additional Accessories
- 10x Puzzle Base-Plates
- 2x Sample in 1x Sample-Box
- Sample Preparation Kit
- 1x M3 Screw driver
- 1x Objective Lens (4x, NA = 0.1, finite)
- 1x Torch
- Lens Cloth
- QR Code (for documentation and tutorials)
What You'll Learn
Begin with the basics: learn how to find the focal length of a simple lens and understand the foundational concepts of optics. Progress through increasingly complex setups to build and analyze optical systems:
- Telescopes: Understand magnification and field of view.
- Microscopes: Create your first microscope and explore finite vs. infinite-corrected setups.
- Digital Integration: Use your smartphone to capture and analyze data.
This kit is the foundation for all other openUC2 modules, giving you ample components to experiment, tinker, and build your own optical systems.
Get Started with Optics Today
Take your first steps into the world of light and lenses with the openUC2 CoreBox. It's not just a kit—it's a gateway to innovation and discovery.

Why Choose the openUC2 CoreBox?
- Fully modular and easy-to-use components
- Open-source design with detailed online documentation
- Perfect for workshops, classrooms, and personal projects
- Expandable with additional kits to explore advanced topics like fluorescence and interferometry