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  1. R

    Whats wrong with my diode?

    No, it isn't darn bright or even slightly hot at all. And dunno why but my current regulator, the LM137 (think is like that) is quite hot. maybe is the voltage? I'm inputting 9v.
  2. R

    Whats wrong with my diode?

    Hello, have my laser setup, running at 420mA, its an open can, think is like that; came from a LG GSA H55 22X double layer DVD burner. The problem is it can't burn anything. Its focused and all but nothing... may it be damaged? Greetings
  3. R

    Minimum OD?

    Hi, I would like to know what is the minimum necessary Optical Density needed for a red diode laser if it is powered from 250mW and ahead... I don't have a clue about this and I am afraid of becoming blind. Thank you in advance
  4. R

    Realiable laser company?

    Anyone can share some information about them?
  5. R

    Realiable laser company?

    Reliable laser company? Since I lost my protective goggles for my red laser I searched for new ones, found this incredible offer... Protection Glasses for 650nm Red Laser but don't know how reliable are those. says OD 4+ and wavelength 632nm-650nm Does anybody knows them? Greetings
  6. R

    Advice between to glasses

    Well after researching in the forums an the web I finally got two pairs of glasses i could buy and ship to here that were good to protect my eyes. I'm posting because I need advice between which one of these two should I pick up...
  7. R

    Wavelength of laser diodes.

    Hey Thank you very much for the fast post!!! 8-) Great, now I'm complete ;D
  8. R

    Wavelength of laser diodes.

    Hi. I got this two driver models of LG: -LG GSA - H54N -LG GSA - H55N My question is how I can know the the wavelength that this red lasers use because on Dragon Lasers they sell two diferent types of glasses for red beams...
  9. R

    Recommendation on eye protection.

    *Bump* Anyone could recommend me other brands or tell me if the glasses I posted before are appropate? Sorry to bump, but as 24 of December is approaching everything gets harder to get and that, and I'm not going be able to start making the laser with right protection ;)
  10. R

    Advice about Dvd drivers

    ok, the link is this one, now i can post links! http://cgi.ebay.com/1pc-TEC1-12706-Thermoelectric-Cooler-Peltier-Plate-60W_W0QQitemZ180315086441QQihZ008QQcategoryZ4660QQssPageNameZWDVWQQrdZ1QQcmdZViewItem What do you mean with: "Beyond that, the cooling should NOT be uncontrolled. You CAN...
  11. R

    Advice about Dvd drivers

    TEC unit like this one? -> cgi.ebay.com/1pc-TEC1-12706-Thermoelectric-Cooler-Peltier-Plate-60W_W0QQitemZ180315086441QQihZ008QQcategoryZ4660QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Also, are those ones flexible? I think not, but never seen one in front of me so maybe I might be wrong. Also what...
  12. R

    Advice about Dvd drivers

    In the following web page: candlepowerforums.com/vb/showthread.php?t=166188 , in the post that there's a huge image of a laser meter, the guy says he pumped with correct cooling his diode to 400mW, as the meter reads obviously. Could I be able to do this with a 20x and a 22x laser diodes...
  13. R

    About lasers and wounds.

    The title says almost all, What wound happen if I take a laser of this Dvd driver geeks.com/details.asp?invtid=BLK-GH22NP20-BULK&cat=DVD at 416 mA and point it to my skin, and also what if I point it to an open wound?
  14. R

    Recommendation on eye protection.

    **EDIT**: Just checked the shipping of the last glasses you show me and unfortunately they don't ship to my country... Any other options?  :-[ Ok found this two pairs that i can get shipped...
  15. R

    Recommendation on eye protection.

    Is there any other brands, I mean that one is great but the shipping to my country is a bit expensive, so what other options i got
  16. R

    Advice about Dvd drivers

    With this on mind, how do I get the 420 mA on the DDL Driver? I connect my multimeter to the driver outputs and move the knob of the pot but the max lecture i get is 200 mA. Maybe is because i don't have a dummy test thing, is that needed?
  17. R

    Recommendation on eye protection.

    Hi, posting to know what kind of eye protection should I get for this laser diode: geeks.com/details.asp?invtid=BLK-GH22NP20-BULK&cat=DVD   I've seen some glasses at DealExtreme but as I know nothing about this topic(lasers), I only know that I've always liked the idea to build one. Where...
  18. R

    Question about housing

    So better be good if I got a very efficient heatsink... mmmm A side question. How can i messure the mW and the ma of a driver?
  19. R

    Question about housing

    I was wondering if is there any alternative about to the conventional Aixiz or other brands housings? I mean, can i house my diode on other kind of housing, or even make my own?
  20. R

    Advice about Dvd drivers

    Hi, first of all want to said that what a great forum for laser enthusiasts is really complete and full of tutorials. because of that I get very motivated to do my own laser thing. Went to my local store and bought the following dvd burner drivers. I'm posting these photos because i need your...


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