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Thread: 1 axis 20k galvo and green DPSS laser diode with blanking for laser harp :)

  1. #1
    Join Date
    Oct 2011
    Location
    London
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    9

    Default 1 axis 20k galvo and green DPSS laser diode with blanking for laser harp :)

    Hey!

    I'm hoping to build a laser harp! So if anyone has a spare 1 axis galvo and driver board, I'm looking to purchase! I think 20k speed will do. If anyone has made a laser harp they may have a spare from an XY kit.

    Also a green DPSS laser minimum 100mW with blanking feature.

    Let me know if you have any for sale!

    Thanks.

  2. #2
    Join Date
    Mar 2008
    Location
    Preston, Lancashire UK
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    Default

    Hi CJ9

    I can't help you with a scanner but if you are planning to buy one of the laser harp kits from Things then I would recommend that you go for a 445nm Blue diode laser instead of a green. The green in my harp just can't react fast enough to the modulation so my 400mW green looks like 40mW green. A 445 nm diode will be a lot better at modulating. The cost per mW is a lot better as well.

    I'm planning to put 2 x 1W 445nm diodes in to mine.

    Carl
    2 x Stanwax Laser 3W RGB's
    2 x OPT 10W RGB
    Pangolin FB3QS + Live Pro
    1.3W Laser Harp

  3. #3
    Join Date
    Dec 2009
    Location
    MI, flint, farmington hills
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    Default

    i got a set of 20k galvos for sale.
    75$ plus shipping.

  4. #4
    Join Date
    Oct 2011
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    London
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    Default

    Hi Carl,

    I'm not looking at buying a pre-designed one, I would prefer build and design (most of) it myself. From what I understand, it was just based on Stephen Hobley's plans anyway? I'm unsure, how does colour affect blanking speed?

    kiyoukan, do you have any more information on the galvos?

    Thanks,
    Charlie.

  5. #5
    Join Date
    Dec 2009
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    MI, flint, farmington hills
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    Default

    they are 20k galvos tuned to around 18deg
    https://lh5.googleusercontent.com/-S...1031151629.jpg
    Click image for larger version. 

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    comes with cables and psu.

  6. #6
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    Aug 2009
    Location
    Churchill(hour S from Houston)
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    CJ9== may I suggest that you add your location in your profile. this makes helping you much easier. If you do this it will show in every post you make. I can get you a nice TTL (blanking) 445 lab laser at a great price but I dont ship out of CONUS& Canada.

    It would reach you in 3 or so biz days after payment clears.

    hak

  7. #7
    Join Date
    Oct 2011
    Location
    London
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    Hak, thanks for the recommendation. I would like to purchase from you, but unfortunately I am in the UK.

    kiyoukan, how much is shipping?

    Charlie.

  8. #8
    Join Date
    Dec 2009
    Location
    MI, flint, farmington hills
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    Default

    shipping to the uk will be 15-45$
    depends on how we ship it.
    So i can package it and bring it to the post office and find out the exact amount.
    but tracking international packages is expensive.

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