"Waiting for a sunny day to conduct experiments", "guessing the parameters of space light", "relying on luck to hope for a bountiful harvest" - practitioners in the photovoltaic, aerospace and agricultural fields have long been troubled by the anxiety of "uncontrollable light". Having been deeply engaged in the optoelectronics industry for two decades, Saifan Optoelectronics has brought "obedient light" to various industries with a solar simulator that integrates "precise replication, extreme adaptability, and flexible customization", transforming innovation from "relying on the weather" to "taking the initiative to control".
Photovoltaic R&D: 0.08% light intensity stability, breaking through efficiency without detours
"Previously, when testing perovskite solar cells, the morning data was 23.5%, but it dropped to 21.8% in the afternoon on a cloudy day. We haven't found the efficiency bottleneck for half a year." " The words of Mr. Liu, the R&D director of a certain photovoltaic enterprise, pointed out the pain points of the industry. It was not until the introduction of the Saifan solar simulator that the research and development truly "stepped on the gas".
This device covers the full spectrum from 350nm to 1100nm. Under the IEC 60904-9 standard, its spectral matching degree reaches A + level. It can accurately capture even a 0.5% absorption difference in the near-infrared band from 780 to 1100nm, with "zero difference" from real sunlight. What's more crucial is its stability - the light intensity fluctuation rate for 8 consecutive hours is as low as 0.08%, far exceeding the industry average of 0.3%. "The data measured today will have a reproduction error of no more than 0.1% next week. There's no need to worry about the validity of the data anymore."
With the help of the intelligent testing system built into the device, the team completed the material comparison that originally took three days in one day and soon discovered that the battery's absorption efficiency in the near-infrared band was 12% lower. After optimizing the materials, the efficiency of perovskite solar cells jumped from 23% to 27.5%, and the research and development cycle was shortened by 60%. On the mass production line, an automated testing line composed of 10 Saifan simulators screens at A speed of 60 pieces per minute. The rate of A-grade products has increased from 88% to 93%, reducing the loss of defective products by over 12 million yuan annually. With Saifan, we can finally focus all our energy on technological breakthroughs. Engineer Liu sighed.
Aerospace test: Stable operation from -40℃ to 60℃, replicating space light "without the slightest deviation"
"Testing of spacecraft battery wings, a 1% deviation in light intensity may result in a three-year difference in in-orbit life assessment." " Sister Li, a space tester, once couldn't sleep at night because the traditional simulator "couldn't withstand extreme environments". The "extreme adaptability" of the Saifan simulator has become a "reassuring pill" for aerospace testing.
The equipment adopts a military-grade 6061-T6 aluminum alloy body and is equipped with a dual-circulation water-cooled temperature control system. The temperature fluctuation within the range of -40℃ to 60℃ is ≤±0.3℃, and the spectral output deviation is always ≤±0.5%. When simulating the AM0 spectrum in space, through calibration with 200,000 sets of space data, atmospheric interference is precisely removed, and the irradiance error is ≤±1%.
During the 720-hour aging test of the space station's battery wing, the fluctuation of the equipment's light intensity was always ≤0.1%, fully recording the aging law of the material. This has facilitated the development of a new type of anti-radiation coating, extending the in-orbit lifespan of the battery wing from 5 years to 15 years. During the Mars exploration mission, the Saifan team customized an "infrared enhancement module" for seven days, increasing the irradiance in the 800-1100nm band by 30% and enhancing the power generation efficiency of the Mars rover's solar panels by 22%. "With Saifan around, we have more confidence in the power safety of space missions." " Sister Li said.
Scientific Research Agriculture: 1% Precision Light quality Control, Turning "Light formula" into "Golden Harvest"
To study the impact of light quality on the sweetness of strawberries, traditional fill lights only have a fixed spectrum, like "blindingly shooting arrows". Professor Zhang, an agricultural researcher, was caught in a predicament by the "customization capability" of the Saifan simulator.
The device supports 1% precision adjustment in the ultraviolet, visible and near-infrared bands. The light intensity can be freely switched from 0.1sun (on cloudy days) to 2sun (strong midday light), and it can also simulate day-night alternations, pulsed light and other modes. Professor Zhang's team, through experiments, has discovered the "optimal light formula" for strawberries: 65% red light + 10% blue light, supplemented with 2 hours of 380nm ultraviolet light every day.
The strawberry greenhouses in Shandong that were renovated according to this plan have seen the sweetness of strawberries increase from 8 degrees to 11 degrees, the anthocyanin content rise by 18%, the yield per mu increase from 2,000 kilograms to 2,150 kilograms, and the selling price per jin rise from 8 yuan to 12 yuan. The annual income of 20 mu of land has increased by over 200,000 yuan. "Now farmers are making money with Saifan's 'Light Formula'. This is the power of technology!" " Professor Zhang said with a smile that the plan has been promoted in over ten bases across the country, driving farmers to increase their income by an average of 150,000 yuan per year.
Full-cycle service: No need to replace the lamp for 3 years, saving you both time and money
Saifan Optoelectronics is well aware that good equipment requires good service. Seven major spare parts centers across the country reserve 98% of commonly used parts and promise to provide on-site fault repair within 48 hours. The lifespan of the LED light source is up to 10,000 hours. Assuming it is used for 8 hours a day, there is no need to replace the lamp in three years, which saves 50,000 yuan in replacement costs compared to traditional xenon lamps annually. The overall power consumption of the machine is 650W, saving 70% of energy. A 1GW photovoltaic production line can save 200,000 yuan in electricity fees annually.
From technological breakthroughs in photovoltaic laboratories to the safe execution of space missions and the joy of harvest in the fields, Saifan Optoelectronics' solar simulators have always been solving the "light anxiety" in various industries with "controllable light". If your innovation is also hindered by the problem of light exposure, this "light that understands your needs" is the key for you to break through the bottleneck.
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