Lamp as artificial sun?

Hi all,

I am for a laboratory setup looking for a lamp with a spectrum and intensity
as close to the sun as possible.

I have on different websites found references to HPS lamps mostly used for
plant growth (Cannabis etc. -:)

Has anybody ecperiece with such lamps regarding stability (both spectrum and
intentisty). Recommendations of specific lamps are very welcome!

Best regards

Kasper Paasch


.

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