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  1. Alaskan

    Interesting web page discussing the optics of the eye and wavelength

  2. Alaskan

    Stick Lens or ?

    I bought a few of these of various sizes through ebay, the listing identified them as stick lenses, but googling that term I am not coming up with anything. Has anyone here seen them before and know why they are in this form? Both ends have the same highly polished curvature. Chris
  3. Alaskan

    Green 532 nm DPSS Laser - Any LPF members who are active here now ever build one?

    Has anyone presently active in the forum ever build a 532 nm green DPSS laser, or 1064 nm DPSS laser? I know we have a thread on that here I can go to, but wanting to know if there is anyone active in the forum now who has done so. I am getting close to building a 1064 nm pointer soon and want...
  4. Alaskan

    Ed Crouse and Harold Edwards/Ehgemus

    If either of you two are still around, please post a hello. Miss your hosts!
  5. Alaskan

    How to determine the focal length of a random lens? Here's how: EO video.

    I have found a very simple explanation of how to determine the focal length of an unknown lens, thought it would be worth a share.
  6. Alaskan

    Host Ideas - Post your wild ideas, dream pointers.

    How about a 8X paralleled NDG7475 520 nm laser pointer using 1" collimators? This filter wheel can be the lens mount for a fairly large multi-diode laser pointer. However, that wheel is a lot larger than need be due to the spacing between lenses, maybe better to have someone machine something...
  7. Alaskan

    Veteran member spam reduction.

    Suggestion: Give more veterans the ability to put spam messages in an approval mode before they can be seen again.
  8. Alaskan

    Suggestion to troll baters.... Get a life.

    Your efforts are a waste of time!!! It's not going to work!!! We've recently had a flurry of new fairly well veiled troll members on a very subdued mission (two or three individuals). It's stupid to keep that up guys, and anymore I will leave your stupidity to flow as you wish. Enjoy yourself...
  9. Alaskan

    USED 3200 lumen 35W HID flashlight on ebay cheap

    Minor problem on body, but seller says works. Get it while you can: https://www.ebay.com/itm/3200-Lumens-35W-HID-Xenon-Flashlight-Spotlight/223644588369 Normally I would put this in the discount and sales thread etc for ebay, putting it here because it is a flashlight. I do not know the seller.
  10. Alaskan

    Mitsubishi ML562G84 Tri-Beam Red Laser Diode, best price?

    Can someone please PM me the contact information for the seller who had these Tri-Beam red laser diodes for sale at $115 (or less, of course) each? Chris
  11. Alaskan

    Spam Suggestion

    Allow veteran members to vote down spam threads, i.e., if some number of members in good standing report on a post, to have it automatically placed into an approval required status for that post, as well as additional posts from that particular newly created account. This might also be a good...
  12. Alaskan

    1.5 watt capable MM 405-410 nm laser diodes from Starlight Photonics

    StarlightPhotonics.com 405 nm laser engine with 20 laser diode assemblies inside. I've been a customer of Kevin for many years now, he always stands behind what he sells, thought I'd share a goodie I recently received in the mail from them. This video shows a 405 nm laser engine with 20 laser...
  13. Alaskan

    Inside The Cyan Cannon Mixed Green and Blue Laser Diode Pointer.

    I've shared photo's of this build here before, now a video. Hope you like the show and tell of my dual wavelength combined 450 + 520 nm blue and green laser diode laser pointer made by CDROM777. Chris Introducing the LaserPointerForums followed by a video of the workings of a dual wavelength...
  14. Alaskan

    Closer to reality: 2X NUBM44 PBS Cube Combined Host.

    Sneak peek, under construction: PBS cube combined dual NUBM44 laser diode host purchased from trinh hong phuoc, a www.laserpointerforums.com forum member. Also shown is a all copper host made by facebook member: Nguyen Dangloi Direct link to my vids...
  15. Alaskan

    Can someone help put me in contact with RHD?

    RHD has been inactive in the forum for a long time, but he created a great online tool to compare the relative brightness of laser wavelengths to the eye. His online tool no longer works and I would like to see if I can host it. Here is the link which no longer works...
  16. Alaskan

    Looking for SSY-1 ND:YAG 1064 nm Transmitter Parts and Complete Units.

    Anyone have any SSY-1 parts for the transmitter itself you want to sell? Even if just the metal frame itself, flash tubes, Q-switches, rods, lenses? I don't need power supply parts so much, but would consider offers. I realize Mi-Lasers has some parts, but none for the transmitter or laser head...
  17. Alaskan

    What kind of new laser toys or projects are you all working on?

    What kind of new laser toys or projects are you all working on? Photo's? Show your toys. Here's my living room table tonight:
  18. Alaskan

    Banned Members Returning.

    Why do banned members return and make damn sure we know it's them? If you are banned, don't do that, you will just get banned again. But more than that, if you do come back under cloak, just don't do what caused the banning to begin with again. Aren't these suggestions just common sense? I mean...
  19. Alaskan

    Swiss Rocketman web page converted to english language

    I am sure there are some old time members here who are very familiar with this web page, but for those who haven't been there, it is a treat: Link: https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=http%3A%2F%2Fwww.swissrocketman.fr%2Flasers-a-solides%2Cfr%2C2%2C51.cfm Above from...
  20. Alaskan

    Anyone have info on the Lumenis Novus Spectra?

    Has anyone seen one of these for themselves, or know of anyone who was able to get one of them running? It is either a Lumenis Novus Spectra, or a HGM Elite Ophthalmic 532 nm green 808 nm bar pumped YAG-KTP DPSS laser, but not sure which one of the two. Wondering what the max power out they can...