Why Industrial Measurement Is Turning to NV Center Quantum Sensors
Across semiconductor inspection, power metrology, geological exploration, and aerospace & defense, industrial teams face a common obstacle: existing measurement technologies are functional but lack sufficient precision, and while measurements are possible, they are difficult to scale for industrial deployment. This gap is driving a shift toward NV center quantum sensing, a technology capable of detecting weak physical parameters such as magnetic fields, electric currents, temperature, and stress with high sensitivity and non-invasive characteristics.
ViQium Technologies Co., Ltd., headquartered in Minhang District, Shanghai, China, has positioned itself around this shift. The company focuses on the exploration, scalable fabrication, and industrial application of quantum diamonds and emerging two-dimensional phosphorus-based materials, supporting global research institutions and industrial partners with end-to-end capabilities spanning core materials, key devices, and system-level solutions.
How NV Center Quantum Sensors Work
ViQium's core technology is based on nitrogen-vacancy (NV) centers in quantum diamond, a quantum defect system embedded within the diamond lattice. An NV center functions as an extremely small quantum sensor inside a diamond crystal, operating through three fundamental steps:
Optical Initialization: A green laser excites the NV center, initializing its quantum state into a well-defined starting condition, preparing it for subsequent quantum control and measurement.
Quantum Manipulation: A precisely tuned microwave field is applied to control the NV center's spin states. Adjusting the microwave frequency and duration allows the quantum state to be accurately controlled.
Optical Readout: After quantum manipulation, the NV center is excited again with laser light, producing red fluorescence whose intensity varies depending on the final quantum state. Analyzing these optical signals extracts information about surrounding physical changes.
NV centers offer room-temperature operation capability and nanoscale sensing resolution, making them suitable for applications requiring flexible operating environments and high spatial resolution. Compared with quantum sensing approaches that rely on cryogenic temperatures or complex vacuum systems, NV centers provide a more practical pathway toward compact and scalable quantum technologies for industrial use.
What Sets ViQium Apart in NV Diamond Supply
Advanced Color Center Engineering: Traditional domestic NV diamond suppliers are generally limited to producing basic medium- to high-density NV center samples, facing challenges in NV center density control, spatial uniformity, and ODMR contrast performance. ViQium has independently established a complete production process covering diamond crystal growth, ion irradiation, and high-temperature annealing. The company provides medium- to high-density NV center diamond products (0.1–10 ppm) and ultra-high-density NV center diamond products (10–45 ppm), with key parameters comparable to leading international suppliers' product series. ViQium supports flexible customization starting from a single piece, with pricing lower than imported alternatives while balancing performance and procurement flexibility.
Integrated End-to-End Delivery: Many suppliers in the market focus primarily on material sales, with limited expertise in downstream applications such as ODMR system integration, parameter optimization, and magnetic field calibration. ViQium's technical team combines expertise in diamond material engineering and quantum measurement technologies, establishing an integrated service chain covering diamond growth, NV center creation, characterization, and ODMR system integration. Based on customer requirements, ViQium provides customized material selection, testing solutions, competitive benchmarking, and experimental optimization recommendations.
Flexible Customization Platform: Traditional suppliers typically offer only fixed sizes and specific diamond orientations, making it difficult to address specialized experimental requirements. ViQium provides a comprehensive product portfolio covering (111)-oriented high-density and ultra-high-density NV diamonds, shallow NV diamonds, nanodiamond powders, C12-enriched diamond materials, and single NV center diamonds, with customized specifications for dimensions and NV center concentration. Standard products can be delivered within 28 days, while conventional customized products can be delivered within 45 days.
Product Portfolio for Industrial and Research Applications
ViQium's Quantum Materials Series includes High Purity Diamond, Single NV Diamond, Ensemble NV Diamond, Ultra-High-Density NV Diamond, Shallow NV Diamond, Nano-NV Diamond, NV Diamond Anvil, and SiV Diamond, alongside black phosphorus materials. Ensemble NV Diamond, for example, is well suited for high-sensitivity precision sensing, including current, magnetic field, and temperature sensing, as well as quantum simulation, with T₂ of 30-250 μs and NV density of 0.1-10 ppm. Ultra-High-Density NV Diamond, with NV density of 10-45 ppm, supports high-sensitivity precision sensing along with quantum memory and room-temperature solid-state masers.
ViQium is also developing Precision Instruments, including a Portable Magnetometer that delivers high-sensitivity magnetic field measurement at room temperature using NV center-based quantum sensing—a compact, low-power system integrating optics, microwave control, and signal processing for applications from industrial diagnostics to biomagnetic sensing. The NV Quantum Spin Spectrometer is a nanoscale magnetic resonance platform powered by diamond NV center ODMR, enabling spin detection, mapping, and coherence analysis for materials analysis and quantum device characterization.
Addressing Real Customer Challenges
For advanced industrial inspection and precision manufacturing companies in fields such as semiconductor inspection, power measurement, and geological exploration, priorities center on system integration, long-term operational reliability, customization capabilities, and scalable supply capacity. ViQium addresses these needs through solutions such as its NV Diamond Selection Guide and online consultation services, categorizing products by application requirements including magnetic field sensing, magnetic imaging, and temperature sensing so customers can select appropriate materials without purchasing multiple samples for comparison.
For customers requiring small-batch customization combined with high-performance materials, ViQium combines flexible small-batch customization with in-house fabrication capabilities, tailoring crystal orientation, NV concentration, sample dimensions, and microstructure processing to specific requirements. For customers lacking integrated ODMR testing support, ViQium provides a combined solution of diamond samples, optical components, and system configuration support, covering optical alignment, signal acquisition, and magnetic field calibration.
A Global Service Network Built for Industrial Deployment
Headquartered in Shanghai, ViQium has established a global service network supporting research and industrial customers worldwide, providing reliable material supply and technical support across China and key international markets. The company's service framework covers requirement alignment, solution design, sample validation, delivery implementation, and application support, with batch-level control and traceability management ensuring performance stability across material batches. For aerospace and defense customers requiring highly sensitive detection under wide temperature ranges and challenging electromagnetic environments, ViQium's integrated technical capabilities and quality assurance mechanisms offer a foundation for stable, long-term sensing performance.
For organizations evaluating NV center quantum sensor solutions for industrial measurement, ViQium Technologies Co., Ltd. offers a combination of proprietary material engineering, integrated ODMR system support, and flexible customization designed to move quantum sensing technology from laboratory research into practical industrial deployment.
https://en.viqiumtech.com/
ViQium Technologies Co., Ltd.
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