Verifying Spent Nuclear FuelSpent nuclear fuel emits a faint ultraviolet Cerenkov light when gamma rays from fuel assemblies interact with electrons in the cooling pond water.  A global leader in nuclear safeguards technology approached us to design a wavelength corrected UV Zoom lens to enable its Digital Cerenkov Viewing Device (DCVD) to view a nuclear fuel assembly situated 13 metres away from the lens and through 10 metres of water.

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