For Wang, a photovoltaic R&D engineer, rainy days are the "natural enemies of scientific research". For Li Jie, a space tester, "replicating space light" is a mission challenge. For Professor Zhang, an agricultural researcher, "regulating the light environment of crops" is the key to increasing production - strivers in different industries have all been held back by the problem of "uncontrollable light". For two decades, Saifan Optoelectronics has been deeply engaged in the optoelectronics industry. The solar simulator it has developed is not merely a device but a "light partner" that understands user needs. With precise, stable and considerate solutions, it helps every user clear the "light obstacles" on the road to innovation.
Wang Gong's "Efficiency Revolution" : From "waiting for sunny days" to "Testing at any time", the R&D cycle has been shortened by 60%
In the past, when testing perovskite solar cells, it was all up to the weather. It was overcast for a week in a row, and the experimental data fluctuated like a roller coaster. It took half a year to complete the expected 30% research and development progress. Mr. Wang, a research and development engineer at a certain photovoltaic enterprise, was once at a loss about the capriciousness of natural light. Especially when comparing the photoelectric conversion efficiency of different materials, the test data in the morning and afternoon deviated by more than 5%, making it impossible to determine the optimal solution at all.
After getting in touch with the Saifan solar simulator, Engineer Wang's work has completely "picked up speed". This device is like A "personal light manager", covering the full spectrum from 350nm to 1100nm, with an A + level spectral matching degree (IEC 60904-9 standard), accurately reproducing the AM1.5G solar spectrum. Even the subtle absorption differences of the battery in the near-infrared band can be clearly captured. What relieved Engineer Wang even more was that its light intensity fluctuation rate was less than 0.1% (after 8 consecutive hours of testing). "The data measured today will remain consistent when measured next week. There's no need to worry about 'data validity' anymore."
With the help of the built-in testing software of the equipment, Engineer Wang can generate the volt-ampere characteristic curve and efficiency report in real time. The material comparison test that originally took three days can now be completed in one day. The team quickly identified the bottleneck of battery efficiency, increasing the conversion efficiency of perovskite batteries from 23% to 27%, and directly shortening the R&D cycle by 60%. This device from Saifan has enabled us to shift from "waiting for a sunny day" to "testing at any time", and finally we can focus all our energy on technological breakthroughs. Engineer Wang sighed.
Sister Li's "safety confidence" : From "ambiguous data" to "precise controllability", building a solid defense line for space missions
After a spacecraft is launched into space, any data deviation may pose a risk. However, when traditional simulators simulate space lighting, they either cannot withstand the -40 ℃ low temperature or the spectra do not match, and the test data always seem to be "veiled by a layer of fog". Sister Li, a space tester, once couldn't sleep all night for the weather resistance test of the solar cell wings on the space station. Especially when simulating the strong radiation and low light environment in space, the equipment often experiences light intensity drift due to temperature fluctuations, making it impossible to accurately assess the in-orbit lifespan of the battery wing.
The "extreme environmental adaptability" of the Saifan solar simulator gave Sister Li a sense of reassurance. It is equipped with an intelligent temperature control system that keeps the temperature fluctuation within ±0.5℃ through water cooling technology. Even in extreme environments ranging from -40 ℃ to 60℃, the spectrum and irradiance are not affected at all. For the AM0 spectrum in space (solar radiation without atmospheric filtering), the equipment can precisely eliminate atmospheric interference and restore the pure light characteristics of the sun in the universe.
When testing the aging of battery wing materials, Sister Li used it to continuously simulate the space environment for 720 hours. The fluctuation of the light intensity output by the equipment remained stable within ±0.1% all the time, and the aging law of the material under strong radiation and extremely low temperature was completely recorded. Based on these precise data, the team developed a new type of anti-radiation coating, which has extended the in-orbit lifespan of the battery wing by three times. "With the Saifan device, we can finally 'precisely replicate' space lighting. We have full confidence in every test, and this is the greatest responsibility to the space mission." " Sister Li said.
Professor Zhang's "Secret to Increasing Production" : From "Relying on the Weather" to "Light Control for Income Growth", Transforming Farmland into "High-Yield Fields"
The low sweetness of strawberries and the slow growth of vegetables in greenhouses are ultimately due to insufficient light. However, natural light cannot be adjusted, and traditional supplementary lights only have a fixed spectrum. It is extremely difficult to study the impact of light quality on crops. Professor Zhang, an agricultural researcher, has long been troubled by the "light problem" in facility agriculture. He once attempted to control the light environment with different combinations of fill lights, but due to the inability to precisely control the proportion of each band, the experimental data was disorganized and he could never find the optimal solution.
The "multi-parameter customization" function of the Saifan solar simulator has become Professor Zhang's "research tool". It supports 1% precision adjustment of the proportion of ultraviolet, visible and near-infrared bands, and the light intensity can be freely switched from 0.1sun to 2sun. It can also simulate the light cycle of day and night alternations and seasonal changes. To increase the sweetness of strawberries, raise the proportion of red light. To make vegetables resistant to diseases and pests, it is necessary to supplement ultraviolet light of specific wavelengths, which is completely customized as needed, just like "tailor-made light" for the crops.
Through comparative experiments, Professor Zhang found that when red light accounted for 65%, blue light accounted for 10%, and two hours of 380nm ultraviolet light was supplemented every day, the sweetness of strawberries increased from 8 degrees to 11 degrees, and the anthocyanin content increased by 18%. He promoted this "light formula" to strawberry growers in Shandong, increasing the yield per mu of 20 mu of greenhouses by 150 kilograms and generating an annual income of over 160,000 yuan. "With this device from Saifan, we have transformed from 'relying on the weather for a living' to 'increasing income through light control', truly turning scientific research achievements into farmers' 'pockets'." " Professor Zhang said with a smile.
Make every user "feel at ease" : From devices to services, be the "light expert" by your side
Saifan Optoelectronics is well aware that a good experience is not limited to the equipment itself. In response to the mass production demands of the enterprise where Engineer Wang works, the Saifan team went on-site to set up an automated testing line, seamlessly integrating the equipment with the production line system, and increasing the testing efficiency to 60 pieces per minute. Provide "one-on-one" operation training for Sister Li's team to ensure that everyone can skillfully set space lighting parameters. Customize a "light environment simulation solution" for Professor Zhang's laboratory and develop corresponding crop growth data analysis software.
What makes users even more at ease is that Saifan has 7 major spare parts centers across the country. If there is any problem with the equipment, an engineer will definitely come to solve it within 48 hours. The lifespan of LED light sources is up to 10,000 hours. Calculated based on an 8-hour daily usage, there is no need to replace the lamp for three years, significantly reducing maintenance costs. Choosing Saifan is not just about buying a piece of equipment; it's more like having an additional "technical partner" who understands light. No matter what problems you encounter, there will always be someone to help solve them. This is the common feeling of many users.
From the technological breakthroughs in the photovoltaic laboratory to the rigorous verification in the aerospace test room, and then to the joy of harvest in the fields, Saifan Optoelectronics' solar simulators have always stood in the users' perspective, using the "light solution" that understands their needs to help every striver break through the limitations of light. If you are also troubled by the "light puzzle", this "light that understands you" from Saifan might just be the key to unlocking your innovation.
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