Thursday, June 19, 2008

Cool shades

I am using lasers in the lab I'm working in at Unilever this summer. To protect my eyes, I need to wear these stylin' glasses:
This is how things look in blue:
Any guess what color laser I'm working with?

7 comments:

  1. The primary chemical in most Techeilet candidates and also kela ilan absorbs at 613 nm or thereabouts. (Guess how I remember that)

    Your goggles are about the same color, so presumably the laser is a similar wavelength. It would appear reddish.

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  2. The laser is 633 nm, so you're pretty darn close, notElon.
    The glasses (basically) only let in blue and yellow light.

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  3. Could have been even closer if I took the next logical step of assuming you had the most common laser falling in the estimated wavelength range, the HeNe laser. That would have nailed it exactly.

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  4. is it just me or are you wearing your glasses + side sheilds under your laser goggles . . . sweet

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  5. Indeed, I am wearing my glasses + side shields underneath the laser glasses. Those are the lab safety rules.

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  6. Ok, I looked more closely and saw the greenish stuff in the picture so yellow is getting through so yup I should have guessed red.

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