"Tests of solar cell arrays on spacecraft: Traditional equipment cannot reproduce the AM0 space spectrum, and the deviation in energy conversion efficiency assessment exceeds 12%." "Space irradiation experiments on satellite materials: A single spectrum cannot simulate the irradiation differences at different stages of orbit, and the aging life is misjudged by 3 years." "Research and development of space optoelectronic devices: The band proportion is not adjustable." In fields such as aerospace, space science, and satellite development, the pain points of "inaccurate replication of space spectra, fixed irradiation parameters, and insufficient adaptation to multiple scenarios" have plunged countless enterprises and research institutions into a predicament of "data distortion, cost waste, and lagging progress".
Saifan Optoelectronics has been deeply engaged in optoelectronic technology for 20 years and has specifically launched the AM0 multi-segment adjustable solar simulator. With three core advantages: "precise replication of the AM0 space spectrum (0 atmospheric solar radiation in outer space) + multi-segment adjustable irradiance intensity + independent control of band proportion", It perfectly meets the strict testing requirements in fields such as spacecraft, satellites, and space devices. Today, this "space light replication tool" has served over 180 aerospace enterprises and research institutions worldwide, enabling the testing error of solar cell arrays to be ≤2%, improving the aging assessment accuracy of satellite materials to 98%, and shortening the research and development cycle of space devices by 40%. It has become the "core equipment" for testing in the space field.
1. Spacecraft Solar cell array Testing: AM0 precise replication + multiple adjustable cells, zero deviation in energy conversion efficiency assessment
Mr. Zhao, a power system engineer at a certain aerospace technology group, was once worried about the testing of solar cell arrays The spacecraft in space receives AM0 spectra (without atmospheric absorption and scattering). Traditional simulators either have poor spectral matching or fixed irradiance intensity, and are unable to simulate the irradiance differences from the sun at different orbital distances (such as perigee 1361W/m² and apopoint 1322W/m²), resulting in an assessment deviation of over 12% in the energy conversion efficiency of the battery array. It directly affects the stability of the spacecraft's on-orbit power supply. The first three test flights were all forced to adjust their missions due to insufficient power supply.
After the introduction of the Saifan AM0 multi-section adjustable solar simulator, the testing problems were easily solved. The core highlight of this device is the precise replication of the AM0 spectrum - it adopts an imported high-consistency light source array + the 7th generation spectral fitting algorithm, covering the entire band from 300nm to 1100nm, and the spectral matching degree with the ASTM E490-00 AM0 standard is ≥98%. Especially in the ultraviolet (300-400nm) and near-infrared (760-1100nm) bands, the energy restoration accuracy exceeds 97%, perfectly replicating the space lighting environment. More flexible is the multi-segment adjustable irradiance intensity, supporting 10 levels of precise control within the range of 100-2000W/m², with each level's intensity stability ≤±0.3%/h, which can accurately simulate the irradiance differences at different positions in the spacecraft's orbit.
The current assessment error of the energy conversion efficiency of the battery array is ≤2%, and the consistency with the in-orbit measured data exceeds 96%. The power supply stability of the subsequent test flights is 100% up to standard. Engineer Zhao introduced that the equipment supports two modes: continuous adjustment and step adjustment. It can preset the irradiance intensity change curve based on the track parameters and automatically complete the full-process test. The test efficiency has been increased by three times. The battery array calibration test that originally took 15 days can now be completed in just 5 days. Previously, importing AM0 equipment cost 12 million yuan, with a delivery period of 10 months. The Saifan customized model saves 6 million yuan, with delivery within 60 days. It also offers aerospace-grade calibration services, enabling our power system R&D progress to be advanced by half a year."
Ii. Space irradiation aging Test of Satellite Materials: Independent band regulation + long-term stability, life assessment accuracy 98%
Mr. Wang, a materials engineer at a certain satellite manufacturing enterprise, once suffered a "fatal misjudgment" in the assessment of material aging: During the satellite's in-orbit operation, it has to withstand strong ultraviolet radiation and high and low temperature cycles in the AM0 spectrum. Traditional simulators can only provide a fixed spectrum and cannot independently control the proportion of the ultraviolet band, resulting in distorted test data on the anti-aging performance of materials. The outer shell materials of a certain batch of satellites cracked and aged within one year in orbit, and the recall loss exceeded 8 million yuan. What's more troublesome is that the light intensity drift of traditional equipment exceeds 5% after long-term operation, and it is unable to complete the equivalent in-orbit aging test of 10,000 hours.
The multi-section adjustable solution of Saifan AM0 precisely addresses this pain point. The equipment supports independent control of ultraviolet, visible and near-infrared bands (with 1% accuracy), and can simulate the spectral component differences at different orbital altitudes, such as 12% ultraviolet irradiation in synchronous orbit and 10% in low orbit, accurately reproducing the real irradiation environment of materials in orbit. Core performance is more hardcore: It adopts steady-state drive technology. After continuous operation for 10,000 hours, the light intensity drift is ≤±1%, and the spectral matching degree remains ≥97%, meeting the requirements of long-term aging tests. In combination with the high and low temperature environment chamber, it can achieve a closed-loop control of "light - temperature", and the accuracy of material aging life assessment can reach 98%.
"Now we have identified the anti-aging risks of three types of materials in advance. The in-orbit service life of the replaced materials has been extended from five years to eight years." " Engineer Wang introduced that the multi-section adjustable function of the equipment also supports "gradient irradiation testing". Through combined tests of different intensities and different band proportions, the optimal material solution can be quickly screened, and the material research and development cycle can be shortened by 40%. Previously, the annual electricity cost for eight single-function devices was 250,000 yuan, and the maintenance cost was 180,000 yuan. Now, one adjustable device from Saifanduo can achieve full-scenario testing, saving 180,000 yuan in electricity costs annually, reducing maintenance costs to 30,000 yuan, and also saving 60% of laboratory space.
Iii. Research and Development of Space Optoelectronic Devices: Customized AM0 + multi-parameter adjustable, accelerating the transformation of scientific research achievements by 40%
Professor Li from the School of Space Science at a certain university was once worried about the research and development of optoelectronic devices: The core components of the space detector we developed need to achieve the best response under the AM0 spectrum. The traditional simulator has a fixed spectrum and unadjustable parameters, which cannot match the spectral response characteristics of the device. The repeatability of the experimental data is poor. We haven't published a single top journal paper in five years, and the industrialization process of the project has been repeatedly postponed. More importantly, the small-spot equipment cannot meet the large-area uniform lighting requirements during the pilot production stage of the device.
Saifan's research-customized AM0 multi-section adjustable solar simulator has immediately broken the deadlock. The device supports AM0 spectral fine-tuning customization. Based on the spectral response curve of the device, it can precisely optimize the energy proportion of specific bands, making the performance test data of the device more valuable for reference. The format can be customized to 2.4m×3.6m. It adopts a distributed uniform light design, with a light uniformity of ≤±3%, meeting the full-process requirements from laboratory small sample testing to pilot-scale amplification. Meanwhile, the device supports dual-mode switching between pulse and steady-state modes. The response time in pulse mode is ≤1ms, which can simulate spatial transient strong light impact scenarios.
"Now, the repeatability of experimental data has increased from 65% to 98%. Last year, four top-tier journal papers were published and eight national patents were applied for. The project has been successfully industrialized, with an annual additional output value of over 30 million yuan." " Professor Li particularly praised the intelligent control system of the equipment: "Through the upper computer software, the spectral parameters, irradiance intensity, and test duration can be set. It can also be seamlessly linked with the oscilloscope and spectrometer to automatically generate test reports. Experiments that previously required five people to operate can now be completed by one person." More surprising energy consumption: The annual electricity cost for a traditional multi-device combination is 300,000 yuan, while one Saifan device only costs 50,000 yuan, saving 250,000 yuan in electricity annually and completely saying goodbye to the trouble of "switching between multiple devices and repeated calibrations".
Iv. Core Technology Revelation: Why Can It Balance "Space Spectrum Replication" and "Multi-Scenario Adaptation"?
The core competitiveness of the Saifan AM0 multi-section adjustable solar simulator stems from four breakthrough technologies:
AM0 Precise Spectral Architecture: Adopting "High consistency light source array + 7th generation spectral fitting algorithm", it is equipped with the AM0 standard spectral database, which can be quickly called and fine-tuned. The spectral matching degree is ≥98%, meeting international standards such as ASTM E490-00 and ISO 9040.
Multi-section adjustable drive technology: Independently developed segmented constant current drive module, supporting 10-level precise regulation from 100 to 2000W/m², with current stability of each level ≤±0.01%, and light intensity switching response time ≤50ms, balancing accuracy and efficiency.
Band independent control system: Three independent drives for ultraviolet (300-400nm), visible (400-760nm), and near-infrared (760-1100nm), supporting 1% precision proportion adjustment, capable of simulating spectral differences in different orbits and spatial environments.
Long-term stable design: It adopts a dual-circulation water cooling system (temperature control accuracy ±0.1℃) + thermal symmetry body structure. After continuous operation for 10,000 hours, the light intensity drift is ≤±1%, and the spectral matching degree is maintained at ≥97%, meeting the requirements of long-term aging and calibration testing.
Five. Not Only equipment, but also a "Partner for lighting solutions in the Space Domain"
Saifan Optoelectronics is well aware that aerospace-grade testing equipment requires full-cycle support
Full-dimensional customization service: Supports customized formats (1m×1m-3m×6m), spectral fine-tuning, irradiation levels, and installation methods (floor-standing/suspended/integrated). Provides vacuum and low-temperature environment adaptation modifications for aerospace scenarios to meet the diverse needs of spacecraft, satellites, space devices, etc.
Ultra-fast response and operation and maintenance: With 9 regional technical centers across the country, 100% core components are in reserve. We promise a 7× 24-hour response and on-site repair within 24 hours. For a certain aerospace enterprise, equipment failure occurred before the launch. Engineers arrived at the scene within 4 hours and completed the debugging within 1 hour, without delaying the launch plan.
Aerospace-grade calibration guarantee: The equipment comes with a traceable NIST calibration report, supports CNAS laboratory certification, and offers two free on-site calibrations per year (including AM0 spectral special calibration). Core components (light source array, drive module) are guaranteed for 5 years to ensure the long-term validity of test data.
Vi. Future Outlook: More Precise, Smarter, and more Extensive
With the rapid development of aerospace and space science, the Saifan AM0 multi-section adjustable solar simulator continues to undergo technological iterations
We have developed nano-scale spectral fine-tuning technology, increasing the spectral matching degree to 99.5%, which meets the testing requirements of space devices with higher precision.
Expand the irradiation level to 20, support custom step difference Settings, and adapt to more complex orbital irradiation scenarios;
Build a "Space Lighting Test Cloud Platform" to achieve remote collaboration among multiple devices, real-time upload of test data, and AI-assisted analysis, promoting the digital upgrade of testing in the space field.
From the testing of solar cell arrays on spacecraft to the assessment of space irradiation aging of satellite materials, and then to the research and development of space optoelectronic devices, with 20 years of technological accumulation, Saifan Optoelectronics has made the "AM0 precise replication + multi-band adjustable + independent band regulation" artificial sunlight the "core support" for testing in the space field. If your work is being troubled by "inaccurate replication of space spectra, fixed irradiation parameters, and insufficient adaptation to multiple scenarios", this space lighting equipment that sets a new industry benchmark might just be the key for you to break through the bottleneck.
Your "AM0 Multi-section adjustable Lighting Solution" can be customized now
Link Microblog
