Have a look at this: https://opg.optica.org/ol/abstract.cfm?uri=ol-47-5-1279 https://opg.optica.org/ol/abstract.cfm?uri=ol-47-5-1279 Matches 100% what you're s

Have a look at this: https://opg.optica.org/ol/abstract.cfm?uri=ol-47-5-1279 https://opg.optica.org/ol/abstract.cfm?uri=ol-47-5-1279 Matches 100% what you're saying: use low intensity uv to write the spatial area you want to solidify, and when you're done flood cure it all together.