Introduction:
Integrating sphere is a type of optical instrument that are used to measure the total amount of light emitted by a source. It is widely used in the lighting industry, as well as in research and development, to measure the performance of light sources and to ensure that they meet certain standards. In recent years, the development of integrating spheres has been driven by advances in technology and changes in the market.
One of the key drivers of the development of integrating sphere has been the increasing demand for more accurate and reliable measurements of light sources. As the lighting industry has grown and become more competitive, there has been a greater need for instruments that can provide precise measurements of the performance of different types of light sources. Integrating sphere have become a popular choice for this purpose, as they are able to measure the total amount of light emitted by a source, regardless of its direction or distribution.
Another factor that has driven the development of integrating sphere is the increasing use of LED lighting. LEDs are becoming more popular as a replacement for traditional lighting sources, such as incandescent and fluorescent bulbs, due to their energy efficiency and long lifespan. However, measuring the performance of LEDs can be challenging, as they emit light in a highly directional manner. Integrating sphere is able to capture all of the light emitted by an LED, regardless of its direction, making them an ideal tool for measuring LED performance.
Advances in technology have also played a role in the development of integrating sphere. In recent years, there have been significant improvements in the design and construction of integrating sphere, making them more accurate, reliable, and user-friendly. For example, some integrating sphere now feature automated calibration systems, which can help to ensure that measurements are consistent and accurate over time. Other integrating sphere have been designed to be more compact and portable, making them easier to use in a variety of settings.
In addition to these technological advances, changes in the market have also driven the development of integrating sphere. As the demand for LED lighting has grown, there has been a corresponding increase in the demand for instruments that can accurately measure LED performance. This has created new opportunities for companies that specialize in integrating sphere, as well as for companies that produce LED lighting products.
Overall, the development of integrating sphere has been driven by a combination of technological advances and changes in the market. As the demand for more accurate and reliable measurements of light sources continues to grow, integrating spheres are likely to remain an important tool for the lighting industry and for researchers in a variety of fields. With ongoing innovation and development, integrating spheres are likely to become even more accurate, reliable, and user-friendly in the years to come.
LISUN designed and manufacture LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric, colorimetric and electrical parameters. According to CIE 177, CIE84, CIE-13.3, IES LM-79-19, Optical-Engineering-49-3-033602, COMMISSION DELEGATED REGULATION (EU) 2019/2015, IESNA LM-63-2, IES-LM-80 and ANSI-C78.377, it recommends to using an array spectroradiometer with an integrating sphere to test SSL products.
Why are Integrating Spheres Important in the Lighting Industry?
1. Accurate Measurement of Light Output
Integrating spheres are essential tools for measuring the total amount of light emitted by a light source. This is important because the total light output is a critical factor in determining the efficiency of a lighting system. By measuring the total light output, lighting engineers can determine the efficacy of a lighting system and compare it with other systems. This information is crucial in designing energy-efficient lighting systems and reducing energy costs.
2. Uniformity of Light Distribution
Integrating sphere is designed to scatter light uniformly, ensuring that all parts of the sphere receive the same amount of light. This is important because it allows lighting engineers to measure the uniformity of light distribution from a light source. Uniformity of light distribution is important in many applications, such as street lighting, where it is essential to provide even illumination over a large area.
3. Spectral Analysis
Integrating sphere can also be used for spectral analysis of light sources. Spectral analysis is the process of measuring the amount of light emitted at different wavelengths. This information is important in determining the color rendering index (CRI) of a light source. CRI is a measure of how accurately a light source renders colors compared to natural light. A high CRI is desirable in applications such as museums and art galleries, where accurate color rendering is essential.
4. Testing LED Lighting Systems
Integrating spheres are particularly useful in testing LED lighting systems. LEDs are directional light sources, and their light output can vary depending on the angle of measurement. Integrating spheres can measure the total light output of an LED lighting system, regardless of its directionality. This makes it possible to compare the performance of different LED lighting systems accurately.
Conclusion
Integrating sphere is essential tools in the lighting industry that help measure the optical properties of lighting systems accurately. They are used to measure the total amount of light emitted by a light source, determine the uniformity of light distribution, perform spectral analysis, and test LED lighting systems. The information obtained from integrating sphere is critical in designing energy-efficient lighting systems, reducing energy costs, and ensuring accurate color rendering. As the lighting industry continues to evolve, integrating sphere will remain an important tool for measuring and evaluating lighting systems’ performance.
LISUN LPCE-3 is a CCD Spectroradiometer Integrating Sphere Compact System for LED Testing. It is suitable for single LED and LED luminaires’ photometric, colorimetric and electrical measurement. The measured data meets the requirements of CIE 177, CIE84, CIE-13.3, COMMISSION DELEGATED REGULATION (EU) 2019/2015, IES LM-79-19, Optical-Engineering-49-3-033602, IESNA LM-63-2, ANSI-C78.377 and GB standards.
integrating sphere
Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.
Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.
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