What we're working on, and what we've learned.
Product launches, technical articles, and the measurement science behind LED-class solar simulators. Mostly written by the people who designed the instruments.
- Articles
- 4
- News
- 4
- Span
- 2019 – 2026
Earlier
7 pieces
NewsMeet us at SNEC, Intersolar Europe and EU PVSEC 2026
Three PV shows, one busy season. The Nexun Mobile Lab is going on tour, and we'll be talking long-pulse LED, xenon-grade calibration and what's next for the Nexun line.
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NewsAvalon ST acquires PASAN SA, uniting two leaders in PV metrology
The acquisition combines Avalon's LED leadership with Pasan's xenon heritage. Two product lines, one group, headquartered in Neuchâtel.
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NewsLED solar simulator en route to UNSW Sydney
A Nexun PRO ships to the University of New South Wales for next-generation cell research. Australia's leading PV institute joins the LED-class adopters.
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ArticleAccurately measuring temperature coefficient on 400 Wp+ bifacial HJT
Modern half-cut HJT modules show extreme capacitive response. We explain why long-pulse alone is not enough, and what does work for clean TC measurements.
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ArticleWhat a modular-spectrum solar simulator actually changes
AM1.5 is the calibration standard, not the real world. A simulator that lets you change spectrum on demand opens services xenon never could.
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ArticleXenon-like spectrum from LEDs, on a large-area solar simulator
31 LED types plus a patented infrared source give a continuous 300 – 1200 nm spectrum at xenon-equivalent quality, on a large-area A+A+A+ system.
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ArticleIV measurement uncertainties, and the biggest contributor
After years working on PV measurement repeatability, the biggest single source of error is rarely the one in the spec sheet.
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