super kiln

when i was in the third grade ( 1960)i did a report on fusion experiments the conclusion was that within 10 years mankind would have an unlimited supply of cheap energy. every decade since ive noted a story that within 10 years mankind would have an unlimited supply of cheap energy.Im still optimistic I just hope i see it before i die
Greg the answer to your question is a complex form of optical pyrometry

www.andor.com/learning-academy/measuring-ion-temperatures-and-helium-densities-in-the-hot-core-of-a-nuclear-fusion-reactor-using-scmos-and-emccd-cameras-application-note

unfortunately the only really efficient fusion reactor remains the H bomb (not the north Korean one)

Greg:
Where is the firing manual: need to know how to program a quartz inversion
Tom