Page 1 of 2 12 LastLast
Results 1 to 10 of 11

Thread: combining red with PBS

  1. #1
    Join Date
    Jul 2008
    Location
    Maryland
    Posts
    1,691

    Default combining red with PBS

    i need some pics of simple double red diode setups (the ones with a pbs to combine 2x650nm beams)

  2. #2
    Join Date
    Apr 2008
    Location
    Amsterdam, NL
    Posts
    2,098

    Default

    Just put one diode with the casing pin UP and the the other diode with the casing pin to the right. Allign both lasers so you have one beam (instead of 2) on you are ready to go.

    you can find some DIY builds at the laserfreak forum.

    I'm now building a TEC cooled 2 x 200mW 650nm setup

    Default the 650nm diodes lase at 658nm, by cooling the diodes to 10 or 15 degrees I want to try if I can get them to <650nm.

    If you overdrive the diodes the diodes can get warm and they will run at 660nm

    Next year when the price drops for the 640nm diodes I will replace the 650 for 640nm diodes.

    When I have time I will post some pictures.

  3. #3
    Join Date
    Jul 2008
    Location
    Eugene Oregon
    Posts
    952

    Default

    here is a few pictures of rob's (stanwax) setup

    http://www.photonlexicon.com/gallery...anwax/album72/
    -Josh

  4. #4
    Join Date
    Jul 2008
    Location
    Maryland
    Posts
    1,691

    Default

    Quote Originally Posted by thesk8nmidget View Post
    here is a few pictures of rob's (stanwax) setup

    http://www.photonlexicon.com/gallery...anwax/album72/
    thanks.. thats what im looking for.. MORE PLEASE

  5. #5
    Join Date
    Jan 2006
    Location
    Charleston, SC
    Posts
    2,147,489,073

    Cool

    Not the best angle, but it gives you the basic idea... (This is my old layout, before the new green laser and before DZ re-wired it.) You can just see the edge of the PBS cube in this pic.



    Adam

  6. #6
    Join Date
    Jan 2007
    Location
    Sheepsville, Wales, UK
    Posts
    3,396

    Default

    As with aligning any pair of laser beams you need to get the near field alignment right. To do this the 2 beams should hit the 45 degree plane in the cube at as close to the same place as possible. Without near field alignment you dont stand a cat in hells chance of getting good results as the beams will only ever align at one point somewhere out the front of your projector. If NFA is good then bring the 2 dots into line - preferabley while scanning and you will have a nice aligned beam at all points.
    if you dont understand what I mean it may be clearer if you take a look at my alignment guide here - http://www.photonlexicon.com/forums/...ead.php?t=3390
    There are some images on the second page that should explain far and near field alignment a bit more easily.
    Rob
    If you need to ask the question 'whats so good about a laser' - you won't understand the answer.
    -----------------------------------------------------------------------------------------------
    Laserists do it by the nanometre.

    Stanwax Laser is a Corporate Member of Ilda

    Stanwax Laser main distributor of First Contact in UK - like us on Facebook http://www.facebook.com/FirstContactPolymerCleaner
    www.photoniccleaning.co.uk

  7. #7
    Join Date
    Dec 2007
    Location
    Stockholm, Sweden
    Posts
    550

    Default

    damnit, I should have read some german in school! Where do they get all those nice drivers and TEC-controllers at laserfreak?
    Look at this dual driver with TEC-controller:
    http://www.laserfreak.net/forum/viewtopic.php?t=44440

    They talk about "Guido", who is that, does he sell the PCB's or is he the inventor of the circuit?
    Altavista helps a bit sometimes...

  8. #8
    Join Date
    Dec 2006
    Location
    Essex, UK
    Posts
    8,647

  9. #9
    Join Date
    Apr 2008
    Location
    Amsterdam, NL
    Posts
    2,098

    Default

    Quote Originally Posted by dar303 View Post
    damnit, I should have read some german in school! Where do they get all those nice drivers and TEC-controllers at laserfreak?
    Look at this dual driver with TEC-controller:
    http://www.laserfreak.net/forum/viewtopic.php?t=44440

    They talk about "Guido", who is that, does he sell the PCB's or is he the inventor of the circuit?
    Altavista helps a bit sometimes...



    this is guido's site.

    http://www.mylaserpage.de/html/diodentreiber.html

    He was programmer of popelscan

  10. #10
    Join Date
    Jul 2008
    Location
    Eugene Oregon
    Posts
    952

    Default

    Quote Originally Posted by dar303 View Post
    damnit, I should have read some german in school! Where do they get all those nice drivers and TEC-controllers at laserfreak?
    Look at this dual driver with TEC-controller:
    http://www.laserfreak.net/forum/viewtopic.php?t=44440

    They talk about "Guido", who is that, does he sell the PCB's or is he the inventor of the circuit?
    Altavista helps a bit sometimes...
    that is quite the nice little setup!

    does anyone have a link to a good tec controller?

    i need a driver!
    -Josh

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •