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Registered Member #10
Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
mikeselectricstuff wrote ...
40mW should melt dark coloured plastic (e.g. electrical tape) and maybe just singe thin black paper, assuming the beam size is small (<2mm)
and it does... I focussed it with a telescope eyepiece. Interestingly the sun focused through the same lens does not burn the plastic. The lens aperture is 6mm so only 20 mW is produced by sunlight assuming 1 kW/m2.
Peter
I just got a 100W RF amplifier. This should help me put at least some power into my CO2 laser (which is RF rather than directly excited) 100W cts, 350W peak. That should melt more than a plastic bag.
Registered Member #10
Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
I know little about Raman spectroscopy but it seems that a single rather than multiline system is preferred. However, the original work that got the Nobel prize used filtered sunlight.
I would rather burn things than do Raman spectroscopy. (evil laugh )
Registered Member #99
Joined: Thu Feb 09 2006, 06:10PM
Location: florida, usa
Posts: 637
Tesladownunder wrote ...
I know little about Raman spectroscopy but it seems that a single rather than multiline system is preferred. However, the original work that got the Nobel prize used filtered sunlight.
I would rather burn things than do Raman spectroscopy. (evil laugh )
Peter
Hehehe, then get an Nd:Yag laser or multiwatt laser diode!I used to be all into that sorta stuff...Boy its fun buring roaches! Matt
Registered Member #84
Joined: Thu Feb 09 2006, 01:06PM
Location: Dallas, TX
Posts: 47
Tesladownunder wrote ...
I know little about Raman spectroscopy but it seems that a single rather than multiline system is preferred. However, the original work that got the Nobel prize used filtered sunlight.
One of the other labs (not mine :( ) at Texas Tech was using an argon laser. You are correct that they split off one line for use at any given time. They showed me once that they used the violet line for a special experiment, but were mostly using one of the green lines when I was in there.
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Blue Argon laser
)