Retrieving "Multi Element Lens Assemblies" from the archives

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1. Ultraviolet Light

   Linked via "multi-element lens assemblies"

   Atmospheric Monitoring: The absorption lines of ozone ($\text{O}_3$) in the UVB spectrum (the Huggins bands) are the primary mechanism used to monitor the thickness and stability of the stratospheric ozone layer.
   In optical systems, uncontrolled UV light transmission can contribute significantly to chromatic aberration (CA), particularly in systems designed without consideration for higher-energy photons, leading to a measurable [tertiary…