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Hello everyone, I apologize if this is a search away, I've searched many times over the past while but haven't found much information, despite my expectations that I would. I took a course on DC-DC switching converters, but never learned anything about making a constant current driver. I would...

Hi everyone, You may recall (or simply see lower in the board) my post asking for high-quality battery suppliers shipping to Canada. Well, I went with Illumination Supply. Shipping was pretty quick, and the packaging was nice. Measured internal resistance after charging them, and, well, a...

Hi everyone, As the title says, I'm looking for some high-quality cells available in Canada. I'm hesitant to use eBay or most other sites in case they are counterfeit. Any recommendations are appreciated. I know about Lighthound, but am wondering if there are cheaper/higher capacity sources...

Hey all, I know that 9V batteries are not very useable for powering lasers, but I'm looking for a good quality 9V battery charger. I've seen the 40$ giant bucket thing that energizer sells, and that seems very excessive. Anyone know of a good brand to buy this from? Thank you!

Hey everyone, A brief question concerning 532nm DPSS lasers. First off, I just hardly understand how it works, and I may still be incorrect: 1064nm diode goes through a crystal or two, which double the frequency, turning it into 532nm light. Now for the question. The wavelength emitted by a...

Hey everyone, I have a few questions, none of which are particularly specific. First off, I screwed up a laser build a while ago and the battery shorted through the case, and the tail cap ended up breaking, so I need a new C6 tailcap, preferably for a lot cheaper than a whole new C6. Would this...

Hey everyone, I'd like to have a way of making the fancy "liquid sky" effect. Does this require some sort of glass cylinder, or could it be done with motors and mirrors? If it's the former, and not too expensive, where could I find such a lens, if you can call it that? Thanks, Alessandro

Hey everyone, I'm just wondering if courses offered by websites like this would be of any use, either in terms of a meaningful qualification, or in terms of learning? They offer a few different courses, and tbh I'm rather interested in having an actual qualification under my belt. What say you...

Hello everyone, The title says it all, really. I'm simply curious as to who is/was studying what. If you are studying/have studied more than one area, what is the one that you take the most from? If you count as other, I apologize, I didn't select enough options. I am doing a Bachelor's in...

Hey everyone, So I've got a bit of a laser collection going so far, but I have a problem. This has happened with my two most expensive lasers, and it's really frustrating me now. Both these lasers had the whole body-pill-head-crown assembly. I love how it fits together, but on both of these...

Hey everyone, So after waiting for several months to be able to get my hands on a driver I like for my M140 build, I'm suddenly wondering how "safe" +1W is. I have proper safety goggles, and realize that the beam should only be viewed when pointing it off into the sky (away from planes!), or any...

Hey everyone, So, first off, I do know what a test load is and what it is used for. I wish to understand how it works, and why they have multiple diodes. What do the diodes do? I've been told they simulate a voltage drop, but what do you need that voltage drop for? I just need a simple...

Hey everyone, I'm looking at a 532 as my next laser (far future, maybe a Christmas present :san:). I'd like to get something that has either good day-time visibility, or a nice solid beam at night, whichever comes at a lower power. What output power am I looking at to achieve that? Also, where...

Hey everyone, I'm thinking of making a 635nm build in 4-6 months. So, since I'll only be buying the diode in a few months, I'm wondering if the price of the 500mW ML501P73 is expected to drop. If not, I'll stick to the 300mW diode. Thank you, Alessandro

Hey everyone, I ordered a BenBoost driver from Cilegray, payed him on June 12. After 2 weeks, I asked him if he had sent it yet. We both live in Canada, and he admitted that this wait time was strange. He sent me another one. Another almost 2 weeks later, I had still not received it, and...

Hey everyone, Ive been planning a 445 build (M140), and I decided to go with a BenBoost. Now, I'm seeing some members say that they kill the diode. Should I look for another boost driver instead of the BenBoost? Thank you! Alessandro

Hey everyone, I made a similar thread in the General forum, but after 62 views and 0 replies, I don't think I'll get a reponse. :undecided: I'm just wondering if I can use a module like this one 1845 House Housing Case W. Plastic Lens for Laser Diode | eBay to draw sufficient heat from this...

Hey everyone, I'm just looking into the possibility of making a fast, cheap laser for myself. So, my first question is this: Can you get decent power out of a diode with only a module as heatsinking? In particular, I'm looking at this module...

Hey everyone, Does anyone have a datasheet for the M-140 diode? I'm looking for exact threshold current, slope efficiency etc. so please don't just give me a mA/mW graph. Thank you, Alessandro

Hey everyone, I ordered a Groove 2 from http://hacylon.case.edu/ebay/laser_diode/Groove_2.php on May 5. I still haven't received the diode, let alone a notice of shipment. I contacted Nautilus Integration, and last time I did so, they responded right away, but now it's been 5 days, and I've got...