Sunsensors for Satellites and Space Applications2021-06-20T13:30:04+01:00

Slide BiSon64-ET-B The most reliable sun sensor
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1010, 2021

ESA Global Space Markets Challenge winners

  Proud and humbled at the same time we like the world to know we have been selected by the ESA director general mr Joseph Aschbacker to be the third prize winner of the ESA Global Space Markets Challenge. The ESA ESA - Small and Medium Sized Enterprises website shows some more details but in short Lens R&D came in third. As a result we will be present at the IAC in Dubai to collect our prize and get the stage to promote our products. For those intimate with the history of Lens R&D it is obvious that this is to [...]

2006, 2021

Reliability for Cubesats

On the 18th of June we finished thermal vacuum cycling of the BiSon Sunsensors that was agreed upon in frame of the running ESA GSTP program. At the VaB thermal cycling facility has 9 slots for mounting Sunsensors, and all Lens R&D Sunsensors have the same mounting interface, we decided to test a MAUS along with the BiSon Sunsensors. As the test temperatures were well above the specified -40° to +80°C operational range specified for the sensors, this experiment should be treated as an accelerated life test for the sensors. As far as we know, accelerated life testing is [...]

1004, 2021

Changing temperature beyond satellite speed.

A trio of Lens R&D Sunsensors is changing temperature under vacuum at a speed that surpasses that of a real satellite. The plot shows the temperature profiles achieved for the BiSon Sunsensors in frame of the ongoing ESA life testing qualification and the MAUS Cubesat Sunsensor. Contrary to common high speed cycling (which is generally performed under a nitrogen atmosphere) these tests are performed under vacuum. This is done in our dedicated Sunsensor thermal vacuum (TVAC) test facility. The  facility can hold up to 9 Sunsensors simultaneously and is controlled by a fluid loop controlled hotplate. Custom developed for Lens [...]

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