Why and when do laser diodes shift in wavelegth?
Hello everyone, there is a question I have and I hope somebody here can help me out. Does the wavelength of a laser diode depend on the current it is driven or on the temperature it heats up during...
View ArticleSome rare lab lasers for sale!
It's been along time since I've posted anything here for sale but I'm in need of money! I have a few extra finds that I'd like to share, and while I know that they're extremely expensive I'm willing to...
View ArticleHow to judge whether it is a good laser pointer company?
I heard from someone not long ago that is " If you want to judge whether a store is reliable or not , just google it, the former the rank, the more reliable it is." So, when I wanna know which laser...
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Gold plated Jetbeam Tea30 mini mod!
This limited edition Titanium gold plated edc is tiny, I did a nice duel Flexdrive mod on his brother and had no plans on modding this one until today, I had a Spare A140 in my box of goodies so pulled...
View ArticleJetlasers
Has anyone here had any experience purchasing from jetlasers. I sent gray an email originally asking when it would be shipped and he said sometime early next week its now tuesday and i haven't had a...
View ArticleHey, post some pictures of how powerful your laser is
I´d like to see how powerful lasers actually get :) So i would be happy if you could post a pic or 2 of your laser :):D:thanks:
View ArticleOrdered 3 Assassin V2 lasers. Am I an idiot?
On a whim, I ordered a (supposedly) 200mW version each of a 405, 532 and 650nm laser from assassinlasers.com in a combo pack for $110. Before I ordered, I asked their customer service several questions...
View ArticleAnyone know this moron?
The link at the bottom has video. A 30-year-old Sykesville man was arrested and charged with shining a laser pointer at a Maryland State Police helicopter early Monday morning. Advertisement Connor...
View ArticleDrill bit guide for 12mm heatsink
I am just trying to find a drill bit that would make a decent fit for a 12mm dia copper module. I have found 31/64 ( actually 0.4844") as being the closest drill bit to 12mm 12mm translates into 0.472"...
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NZONIC BDR-209 Build
My first build post, woohoo! :D I wanted to put together a 405nm 510 thread build, so of course I started at DTR's Laser Shop: Parts List: - Diode: BDR-209 16X $68 - Driver: NanoDrive - Lens: G2 -...
View ArticleToasted diode on laser.
Hi! :whistle: I bought a cheap laser off ebay Neu Grün Lila Rot Laser Pointer Stift Strahl Stern Zeiger Pen Beam Präsentation And a day after i recieved it i went outside. It was foggy and the ground...
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07E Laser Box Build
07E Laser Box Build ______________________________________ I wanted to try something a bit different than what I've seen and done for laser hosts, so I went browsing for project boxes and found a...
View ArticleLarry DFW's 18650s
I got 2 of Larry's [Larry DFW here on LPF] 18650 Sanyo's and thought I should check them after 2 years of use in lasers and vape rigs. When I got them they had 40mohms of internal resistance I just...
View ArticlePSA: Cool down your DPSS lasers and check for extra lines!
Hello folks! In the past few months, myself and a few other users discovered some strange properties of DPSS lasers, particularly 589nm and 532nm units. When cooled down, certain DPSS lasers display...
View ArticleLaser image shape/cross section
Hi everyone! New here and new to lasers but I have been reading the site over the past week or so trying to educate myself. My question is about the shape of the laser on the cast on the wall. If the...
View Articleradioactive material and laser ionization threshold
Lets imagine this,you have pulse laser with focus lense that you use to turn air or noble gases in hermeticaly sealed chamber into plasma.To ionise air with laser,the laser beam must reach certain...
View ArticlePSA: Cool down your 589s and check for extra lines!
Hello folks! In the past few months, myself and a few other users discovered some strange properties of DPSS lasers, particularly 589nm and 532nm units. When cooled down, certain DPSS lasers display...
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NDB7875/ Funky Camo
hi, Like to share another build with a custom Aluminum sink and focus adapter. Inside is; 1) NDB7475/9MM diode DTR.. 2)SXD 2.4A sinked to the main sink.. 3) G2 Lens 4) 2-18350 cells This one is a real...
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NUBM05/4A SXD/G Ball Sold!!
Hi Folks for sale is a NUBM05 with a SXD diver set to 4A , G Ball Lens Custom full copper sink and knob , Driver sinked to the main sink also . And an added battery tube extension for 2=18650's.added...
View ArticleLaser burning - what's my problem?
Hi, As there's no newbies forum, I'll just dive in here. Sorry if it's all a bit basic - it's not for lack of googling! 1: I want to burn... YouTube is full of people making smoke, engraving black...
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