JLasers 450nm Laser (Affordable, 1.6W, 14500 Battery)

[@Darktron]

Nice to see JLasers growing fast I have the 3.5w an absolute beast! Great customer service not to mention lifetime warranty!

[@SodiumSyndicate]

How much brighter is the 3.5W version than this 1.6W version?

[@Darktron]

@Sodium Syndicate is noticeably brighter but if you want the brightest I would go with green lasers JLasers has a 700mw one I have not tried this model but I do have a 1,100mw green and is very bright.

[@jyesucevitz]

the 3rd balloon would pop faster if you jab the laser at it several times. the beam hits harder the harder you jab.

[@LiquidRetro]

Haha

[@joshs2444]

Great review! Is it ok to look at the beam when it's pointed in the night sky without safety glasses? Would it still be safe as long as it doesn't hit an object or you look at the spot? Or must you wear safety glasses whenever you're using it no matter the situation? Thanks.

[@LiquidRetro]

I'm not an expert but my understanding is it's safe in that situation

[@jyesucevitz]

I just got an olight arkfeld flashlight. come with a basic green laser. reminded me of how fun they are. then I got this notification. now I'm thinking..... BTW $79 plus $20 shipping. not $60

[@LiquidRetro]

The one I ordered for my neighbor was $79 shipped. Different class of danger here for sure

[@miketheman9612]

Great review I’m just curious is the 700mw green brighter than the 1600mw blue? And is the green still powerful enough to burn?

[@miketheman9612]

@liquidretro

[@LiquidRetro]

I'm not sure. The human eye is more responsive to the greener wavelengths

[@miketheman9612]

@@LiquidRetro appreciate the response my last question I wanted to ask was how long it takes to receive it

[@LiquidRetro]

Depends on how many orders he has, they are hand built. Shipping is less than 2 weeks

[@mikehagquist5198]

The 700 mw-1000mw green is 4 times as bright as 1.6 450 nm. It can burn but nothing like high power blue or violet

[@kencrypt2535]

Where can I buy one? Link doesn't work

[@LiquidRetro]

Strange, let me email him and see if something happened

[@LiquidRetro]

Seems to be working for me now

[@Deadwindshadow]

link works now

[@kencrypt2535]

Ty

[@Muonium1]

Jesus guys, PLEASE spend the extra time and money getting a real pair of laser safety goggles if you are going to operate a laser like this. 1.5 watts is a very serious amount of visible radiation power, and a criteria of simply "well the goggles are yellow and I can't see the beam on a piece of paper through them" is just not good enough. The goggles used should be properly laser rated with a clear OD value shown on them when using beams with a power this high (think of OD as simply the number of "nines" as a percent of blocked light, eg. an OD4 goggle blocks 99.99% light at a specific wavelength, and an OD 8 blocks 99.999999% of light, etc.). In fact, I found a pair at NoIR (lens 50) that provide good OD4 blocking capability at 450nm for only $15 so you really don't have to spend much on this sort of thing if you look around. I work with ultrahigh power (multi gigawatt) lasers and we've used that brand and others like Honeywell (though they're now out of the business) for many years now. Will the cheap yellow uvex whatevers probably protect your eyes well enough from 1.5W of 450nm light? Yeah maybe; I'm aware that the technology here is very basic, just dye dissolved in polycarbonate plastic, but why even risk it at all? I would never ever EVER trust my eyes with a pair of random Chinese crap goggles off of Amazon when using a light source this powerful. Your retina will never grow back, it's worth it to get quality certified name brand laser protective goggles when using anything over 50mW.

[@LiquidRetro]

This is the glasses the maker uses as well. Uvex isn't some random Chinese brand either it's Honeywell. What brand and model would you recommend. Give me a specific recommendation with a post like that.

[@Muonium1]

@@LiquidRetro I'll be totally blunt, if those are the goggles the laser manufacturer is using and recommending, he's a fool and opening himself up not only to the possibility of personal injury, but major litigation. I'm aware that UVEX is a respectable company and I use their goggles myself for protection from deuterium lamp light and 365nm UV LEDs. But the pair of goggles you link to in the description aren't ANSI Z136.1 rated for protection against laser light and that's important because it means you don't ever really know for sure how much light they're actually blocking. Blue light, as used with this laser is also particularly dangerous because it's so efficiently absorbed by the red retina - the heating is instant and much less forgiving than red or infrared light which is more poorly absorbed. If the goggles you have happen to be blocking 99.99% of light (OD4) at 450nm, you're probably fine at a power of 1.5 watts, if they're only blocking 99% of the light (OD2), you'll have permanent retinal injury almost instantly if you accidentally view the beam through them. I work at a major laser driven inertial nuclear fusion research facility and while our preferred laser goggle manufacturer has changed several times over the years and will certainly change again eventually, right now the preferred source is NoIR. If you go to their website (I can't link to it or shitty youtube will just delete the comment), you can search their polymer filters by blocked wavelength and then by goggle style. You want the 50 filter and the 700 or 900 style frames for $15 (CHEAPER than the non-rated yellow uvex generic ones on Amazon!). They're OD4 at 450nm as you can see from the searchable spectral plot on the page.

[@the_famous_reply_guy]

Does the Infrared burn out the retina? What if you never actually look at the diode and always only look at the reflected beam on objects?

[@Muonium1]

​@@the_famous_reply_guy infrared can absolutely burn the retina at high powers. Specular reflections of any continuous wave laser over 5 milliwatts are ALWAYS dangerous to view, diffuse reflections such as off of matte painted walls are safe to view up to about 100 milliwatts.

[@the_famous_reply_guy]

@@Muonium1 can we use an infrared filter on the laser diode for safety?

[@SodiumSyndicate]

Did you check out their Cyan laser?, can you please compare that with this 1.6W laser in terms of beam visibility & color difference?

[@kennethbonn6344]

How long did it take for your laser to come in?

[@LiquidRetro]

Couple of weeks to the USA. I got a tracking number toi

[@Liberta_BR]

hi my friend..do you have any recomendation for a laser pointer like this from Aliexpress? I live in Brazil..so the shipping is way cheaper from China. Thanks a lit

[@LiquidRetro]

Sorry I can't recommend any from there. I have no personal experience

[@kevinhenderson4588]

Ordered mine December 8 which is close to 2 months ago and still waiting to arrive. I emailed owner and haven't got response in 2 days

[@LiquidRetro]

Hopefully he gets back to you soon.

[@mikehagquist5198]

It’s not a multi mode diode. It’s single mode

[@richardgoff6739]

Did not see the link for the battery.

[@charlespotokar2375]

Is the 455nm, 4500mw one on his site stronger than the one you showed in your video?

[@LiquidRetro]

Power will be measured in watts, not nm. Nm is the cor

[@SodiumSyndicate]

@@LiquidRetro Is blue more instantly blinding to the eyes or green laser?

[@dudetapedtoafridge3073]

​@SodiumSyndicate even invisible ir light is just as bad for the eyes. However green light is most visible 555 nm light is the most visible to the human eye

[@Husker.Harley]

Link for the battery?

[@LiquidRetro]

www.illumn.com/14500-vapcell-inr14500-h10-1000mah-10a-high-discharge-button-top-li-ion-battery.html

[@Husker.Harley]

@@LiquidRetro On Jlasers site it recommends a 3A discharge battery. I'm new in this world of lasers. Will the 10A you linked harm the laser?

[@LiquidRetro]

No the laser or flashlight will only draw as much as needed. Think of the amp ratijg as the diameter of the garden hose, not the pressure of the water.

[@puresreborn5529]

buy the green 700mw and review that too

[@LiquidRetro]

I think the teal color is going to be be the next one

[@puresreborn5529]

@@LiquidRetro i just got this 450nm 1600mW and 520nm green in 700mw in the mail today tested them out, they're amazing. Idk if it's true that the 3500mw is coming soon but that would be a beast

[@LiquidRetro]

That sounds exciting

[@Darktron]

@@puresreborn5529 It is a beast!

[@SodiumSyndicate]

@@puresreborn5529 Which one has the tighter longer throwing beam? - the 450nm 1600mW blue or the 520nm 700mW green?

[@01ai01]

I would love to buy one of these, but with my luck, I'm convinced I would eventually accidentally blind someone.

[@LiquidRetro]

Like a lot of adult toys they are not for children but can be used safety if you are logical and think. It's a lot like firearm safety.

[@F34rwaffles]

careful kid youll shoot your eye out lol i would, but its super cool to look at

[@landrodaoud1531]

​@LiquidRetro were you wearing safety glasses when busting balloons?

[@LiquidRetro]

Yes

[@landrodaoud1531]

​@@LiquidRetro thanks🤙🤙