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Partial Spectrum of Colour 840 CFL, (Mercury 577-579nm Doublet) , D.V.D. Monochromator.

Partial Spectrum of Colour 840 CFL, (Mercury 577-579nm Doublet) , D.V.D. Monochromator.

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This partial spectrum of a colour 840 C.F.L. was made using the "Pringles" can Spectroscope fitted with a D.V.D. as a monochromator in first blaze.
Attention is drawn to the yellow mercury doublet, at the left hand extreme of the group if yellow lines a and bands. These two lines are 2nm apart, 577 and 579nm. A dye on the D.V.D. blocks second blaze contamination, but the resolution of the mercury doublet is very good. One could "drive a truck" between the two lines!
The 437nm mercury line cannot be seen because it was obscured from the camera's view by a edge of the hole cut in the can.

RE-NRL.jpg Pink.JPG DVDSpec.jpg CDSpec.jpg

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Filename:DVDSpec.jpg
Album name:Globe Collector / Miscelaneous Lamp related stuff
Keywords:Miscellaneous
File Size:13 KB
Date added:Oct 05, 2012
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