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Thread: scatter and mirror help?

  1. #1

    Default scatter and mirror help?

    As you can see from the photo i have alot of scatter.

    my green bounces off a 45 degree mirror into the dichro then into the galvo.

    what can i do to stop scatter, i am going to get a new mirror as the current one is very scratched. anything else??

    Eat Sleep Lase Repeat


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  2. #2
    Join Date
    Jan 2007
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    Default

    You need to clean it then replace the dichro. I have some if you are interested. Same thing you have now.
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  3. #3

    Default

    so just clean everything?

    how do i clean galvo mirrors?
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    Aluminium Optic Mounts

    http://www.laser-man.co.uk/opticmounts/

  4. #4
    Join Date
    Dec 2006
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    Pflugerville, TX, USA
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    Default

    Why do you quickly assume he needs to replace the dichro?

  5. #5

    Default

    i think he means clean and put it back, not replace as such

    my dichro is brand spanking new lol
    Eat Sleep Lase Repeat


    Aluminium Optic Mounts

    http://www.laser-man.co.uk/opticmounts/

  6. #6
    Join Date
    Apr 2005
    Location
    SOUTHAMPTON U.K.
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    Default

    I usually use acetone to clean mirrors. Use a wooden handled cotton bud as an applicator. Probably not the "best" stuff to use, but it is cheap and efective. Do not use plastic cotton buds, they will melt.

  7. #7

    Default

    ok cheers .
    Eat Sleep Lase Repeat


    Aluminium Optic Mounts

    http://www.laser-man.co.uk/opticmounts/

  8. #8
    Join Date
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    denver,co
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    Default

    The way I was taught to clean optics:

    Go down to your local science supply and get a small amount of reagent grade methanol or reagent grade acetone. While you are there get one of the little plastic dispensers for them. Treat these as sterile do not ever dip anything into them or poor any unused back into the bottle.
    Go buy a bunch of lens cleaning tissues. They usually come in a little booklet. get some locking hemostats. Fold the paper over a couple of times and clamp the hemostats to make a little paper pillow at the end. Wet the paper with the solvent and give it quick shake to get rid of the excess solvent.
    Now gently wipe the optic surface IN ONE DIRECTION ONLY, do not SCRUB. If the optic is still dirty discard that tissue and repeat process never use the same tissue twice. The idea is to let the solvent do the cleaning and the tissue to take away the particulate.

    The advantage over the cotton tipped sticks is it will not leave stray fibers and you can fold the paper to fully cover the optic and not just have one spot with higher pressure and the possibility of scratching a coating.

    Chad


    When the going gets weird, the weird turn pro.


  9. #9
    Join Date
    Jan 2007
    Location
    Cupertino, California
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    Default

    Quote Originally Posted by andy_con View Post
    i am going to get a new mirror as the current one is very scratched
    That's why I assumed he needed a new mirror.
    CLICKY!!!

    Admin: In the immortal words of Captain Planet: YOU HAVE THE POWER
    Admin: (To quit being a bitch)

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