In the current optical testing field, there remains a persistent industry-wide challenge: the difficulty of simultaneously achieving high efficiency and high accuracy. For high-precision applications—such as light-source photometric design and optical property calibration of materials—users typically rely on goniophotometers to capture full-spatial light distribution data. However, such instruments require prolonged measurement time per test, making them suitable only for low-volume R&D scenarios—not for mass-production line testing. In contrast, conventional integrating spheres deliver high testing efficiency, outputting key parameters (e.g., luminous flux and chromaticity) within seconds. Yet they commonly employ standard coatings with reflectance of only ~80%, covering merely the visible spectrum. Over time, these coatings are prone to oxidation and yellowing, causing measurement drift and failing to meet stringent accuracy requirements.
To address this common industry challenge, Jingyi Optoelectronics has launched a 10-mm miniature integrating sphere—a next-generation solution engineered from the core coating process upward. The product utilizes imported high-diffuse-reflectance PTFE material, formed via high-temperature monolithic sintering. Its interior spherical surface achieves up to 99% spectral reflectance across the full UV–visible–NIR range (200–2500 nm), exhibits excellent Lambertian reflection characteristics, and demonstrates exceptional material stability. Unlike conventional coatings, it neither oxidizes nor yellows over time, eliminating performance degradation—and features inherent water resistance, imposing no special constraints on storage or operational environments.
This integrating sphere features a compact 10-mm internal diameter. It comes standard with a 1.5-mm input port and an SMA905 universal output connector; alternatively, custom connectors—including FC—can be provided to match users’ existing test systems. Its modular interface enables seamless integration with various spectrometers and test terminals without requiring retrofitting of legacy equipment.
Compared to traditional testing instruments, this 10-mm miniature integrating sphere retains the speed advantage of conventional integrating spheres while elevating measurement accuracy to near-goniophotometer levels. It supports diverse applications—including transmittance measurement of solids, powders, and transparent materials; spectral characterization; transmission color calibration; haze testing; and laser spectral power calibration. Whether in university laboratories conducting novel material research or in consumer electronics supply chains performing high-volume optical film and display panel inspections, it delivers a true dual balance of efficiency and precision.
Optical testing is rapidly evolving toward portability, on-site deployment, and real-time inline integration. Building upon this highly stable integrating sphere platform, Jingyi Optoelectronics is also developing integrated solutions combining AI-powered spectral analysis and IoT-enabled sensing nodes. In the future, these systems will directly interface with production lines—enabling real-time acquisition and upload of transmittance, haze, and other critical parameters, along with automated anomaly alerts—further reducing inspection costs at the manufacturing level and enhancing end-to-end quality control efficiency.
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