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  1. thestug

    Cheapest way to get some rare wavelengths?

    So I've been collecting lasers for a short while now. So far I've got a 445, 532, 405, and a 650. However, these are all very common wavelengths. The 445 is a 1W, but all the rest are just Laser 301s and 303s since they were cheap and they do the job for me just fine even though I know they...
  2. thestug

    What am I seeing?

    I've noticed that if I look at an unfocused beam on any surface, that I see little specks or fuzzies on the light cast onto that surface. I should note that I'm not talking about specks in the beam (which I think are just caused by dust and impurities in the air), but the dot on the wall looks...
  3. thestug

    Who still offers machining/milling services?

    So I'm working on a project right now that requires a little bit of milling work to be done. I have a piece of aluminum that has a pocket milled into it. I just need to have one of the sides of the pocket removed. It really wouldn't be a hard job, but I don't have the right equipment to do it...
  4. thestug

    Flashlight optics and reflectors.

    Ok, so I'm currently building a 100w LED flashlight. This is what the actual LED itself looks like. It should be very bright but the light produced by this will be emitted at a very wide angle more like a flood light. I'm looking to make my light produce a beam of light like in this video...
  5. thestug

    Lasers and proximity to an airport.

    I live about 5 miles from an airport. However, there seems to be FAA limits as to what powers of lasers are allowed. However some of these seem very, very low because they are measured in pico and nano watts of power. So my question is: How concerned should I be about shining a laser into...
  6. thestug

    Planetary Boundary Layer question

    Lasers seem to end after a few hundred meters because of the planetary boundary layer. According to this this is because of the effects of particles that exist because of air interaction with the particles on the ground. However, what the article fails to explain is when the PBL is at its...
  7. thestug

    Laser range finders (max distance)

    My father and I are into long range target shooting and are looking into different laser range finders. I think my father is going to get a relatively cheap Nikon laser range finder. However, there isn't a whole lot of information that I can find about what type and what power the lasers used in...
  8. thestug

    Your thoughts on lasers and social media

    What are your thoughts about showing your lasers to others via social media? I'm just curious as I recently posted a simple picture of a laser that was being pointed skyward and immediately took it down as I got a text from a friend of mine saying that it wasn't legal (it is legal where I live)...
  9. thestug

    UVEX glasses formula changes regarding 532nm?

    I'm looking to get some extra safety glasses for people that would like to spectate any of my lasers. I'd really rather not spend $60 on half a dozen Eagle Pair glasses. I've been reading about these here on LPF...
  10. thestug

    Proper method for focusing high power lasers?

    What is the proper method for focusing a high power laser? I recently finished up my first 445nm 1W build. However, I'm not entirely sure how to focus it for the least divergence. I assume the best way to go about it is to simply adjust it a little, turn it on, check divergence, turn it off...
  11. thestug

    Reliable sources for a 30mw green laser in the US?

    Who sells decent green lasers that have an actual output of around 30mw with minimal IR? I see that dragon lasers has a pen style, but I'd prefer a larger size host, preferably with a key switch. I see that Lazerer has some that I like, but I'm not sure that Lazerer is a good place to buy...
  12. thestug

    A few noob saftey and legal questions.

    I've used the search feature and can't seem to find the information I'm looking for. Perhaps I just don't know the proper search terms. Perhaps you can help me out. From searching around LPF I've found that it's illegal to point lasers at aircraft (obviously), however it seems that the general...
  13. thestug

    Hello from Ames, IA

    Hello everyone. My Name is Sturling and I have been bitten by the laser building bug. My personal hobbies include hobby grade RC and flashlights. I've recently been researching quite a bit about lasers and stumbled across LPF. I've been lurking for a while absorbing quite a massive amount of...




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