a vial and a laser, part II

April 9, 2008 at 10:41 am | | everyday science

Some people enjoyed the last installment, at 488 nm. Now we have another picture with a 532-nm, diode-pumped, frequency-doubled Nd:YAG laser:

The red fluorescence in the cuvette comes from a red-emitting DCDHF fluorophore (the last one was a green-emitting version).


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  1. lasers & pretty colours, two great things that go well together.

    Comment by selenized — April 9, 2008 #

  2. Part of my seminar was on second-order NLO. Explaining it to a bunch of organic chemists was awesome. Even if i was wrong, who would know…?

    (I, of course, wasn’t wrong)

    Comment by excimer — April 9, 2008 #

  3. Laser cavity porn: Nd:YLF.

    Comment by PhilipJ — April 10, 2008 #

  4. cool. you must have used a star filter on your camera lens?

    oh, and sorry your comment was moderated: i filter comments with “porn” in them!

    Comment by sam — April 10, 2008 #

  5. Does this then count as a 3-way?

    Comment by kendall — April 10, 2008 #

  6. yes. definitely.

    but the technical term is “ménage à trois des lasers.”

    Comment by sam — April 10, 2008 #

  7. Strangely, no, there were no filters on there at all. I guess it’s just faint enough that the eye doesn’t pick it up (or we just don’t notice it).

    Comment by PhilipJ — April 11, 2008 #

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