1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

I Gases that absorb IR radiation

  1. Mar 22, 2016 #1
    Hello,

    I'm looking for a gas (hopefully one that is readily available) that will absorb Nd:YAG laser radiation at 1064 nm. The purpose is to heat the gas to transmit heat into a glass fiber composite which normally does not absorb IR light.
     
  2. jcsd
  3. Mar 22, 2016 #2
  4. Mar 22, 2016 #3

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    Does it have to be a gas? Water vapour is not a bad approach if it does have to be a gas.
     
  5. Mar 23, 2016 #4
    Yes, it needs to be a gas. Our laser is 2kW, and we've tried other absorbents. We currently use a superheated nitrogen torch.
     
  6. Mar 23, 2016 #5
    Water vapor doesn't seem to absorb much IR at 1064nm
     
  7. Mar 23, 2016 #6

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    Still more than (most?) other common gases. A solid or liquid would give more absorption...
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted