PHOTONICS IN THE ENVIRONMENT


“Advanced optics are being used in a number of critical and creative ways on climate”


Planet, Bale and Bohndiek are exploring opportunities for optics breakthroughs in climate science and want to connect with those in climate monitoring and instrumentation, particularly those based in the UK and EU. Bale explains how some of


the most recent developments in optics and photonics are helping to answer some of the unanswered questions in climate monitoring. “From satellites such as


HotSat-1 using advances in high-resolution mid-infrared cameras giving unprecedented spatial resolution for thermal imaging of the planet, to in-situ spectral sensors being used to monitor soil carbon, advanced optics are being used in a


FEATURE


Scoping our planet: ‘where will the next step in climate monitoring come from?’


number of critical and creative ways on climate. “We’re keen to see how


else we can leverage what’s happening at the frontier of development by encouraging people working on optics and photonics for other applications to engage with us,” says Bale.


The promise of a space-based thermometer HotSat-1, a British pathfinder mission built by Surrey Satellite Technology Ltd (SSTL) for Satellite Vu, flying a low-cost high-resolution mid-wave infrared (MWIR) detector, released its first images in early


October 2023. The images sent by the thermal camera showed unprecedented detail on how temperatures change on Earth’s surface. Unfortunately, six months after its launch, the experimental spacecraft failed. Despite its short life, HotSat-1 provided a detailed look at


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