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Old 12-10-2014, 01:31 PM #17
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Default Re: Assembled a M140 in a C6 (pic heavy)

I want to do this and have it idiot proof since I not a electronics guru, could you please tell me
How many watts this is cranking out
Or
How I would make it a 1.5 watt model with the supplied links

Thanks


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Old 12-10-2014, 02:10 PM #18
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Default Re: Assembled a M140 in a C6 (pic heavy)

Supurb write up. For laser beam pictures I downloaded a free app on my phone that let's me do 5 second exposure you might wanna try it laser beams show up in well lit rooms. Also another thing I do before assembling my lasers is twist everything in opposite direction before I screw it together so wires are straight again when it is screwed together.

The phone app is called "camera FV-5 lite" for android and I'm very happy with it.

Where did the 3rd wire get attached from the diode? Was it just left alone?
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445nm Ehgemus RPL host 3W (peak 3.5W)
445nm home made labby 3W (peak 3.1W)
445nm 501b by Blord 2.5W (peak 2.7W)
447nm Dragon Lasers Spartan 1W (peak 1.3W)
520nm custom Ehgemus host NDG7475 1W (peak 1.5W)
520nm Ehgemus host PL520-B1 120mW (peak 143mW)
532nm labby 500mW (peak 630mW)
532nm Dragon Lasers Viper 75mW (peak 122mW)
532nm C6 host (peak 103mW)
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Old 12-10-2014, 02:39 PM #19
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Default Re: Assembled a M140 in a C6 (pic heavy)

Quote:
Originally Posted by crtbc View Post
I want to do this and have it idiot proof since I not a electronics guru, could you please tell me
How many watts this is cranking out
Or
How I would make it a 1.5 watt model with the supplied links

Thanks
This is a 1.5W laser with the 3 element lens and might reach 2W if I used a G2 lens. You can also drive an M140 at up to 1.8A for slightly more power, keep in mind though the C6 host is small and you will have a short duty cycle.

The links are to the store for US customers, Survival Laser has another site for international customers. You should add your location to your profile or at least the country your in.

For some other examples of the easiest ways to build laser, see the white links in my signature.

Quote:
Originally Posted by starlight View Post
Supurb write up. For laser beam pictures I downloaded a free app on my phone that let's me do 5 second exposure you might wanna try it laser beams show up in well lit rooms. Also another thing I do before assembling my lasers is twist everything in opposite direction before I screw it together so wires are straight again when it is screwed together.

The phone app is called "camera FV-5 lite" for android and I'm very happy with it.

Where did the 3rd wire get attached from the diode? Was it just left alone?
Thanks very much for that info, I'll take a look.

Yes the 3rd wire was unused, if I remember correctly I didn't even bother to cut it off and just left it as is.

Alan
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Old 12-10-2014, 06:14 PM #20
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Default Re: Assembled a M140 in a C6 (pic heavy)

So just changing the lens from a3 element to ag2 will change it from a1.5 watt to a 2 wAtt?
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Old 12-10-2014, 08:38 PM #21
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Default Re: Assembled a M140 in a C6 (pic heavy)

Quote:
Originally Posted by crtbc View Post
So just changing the lens from a3 element to ag2 will change it from a1.5 watt to a 2 wAtt?
Yes most likely, usually there is a power increase of about 30% with a G2 over a 3 element lens. You don't know for sure what you have without testing with a laser power meter because each diode will vary some. There are reflections off the lenses and lens holder with the 3 element lens and because the beam is rectangular shaped you will get some bat wings type of splash, but it will make a smaller dot at a distance than the G2 but the G2 will give you much more power. I have tried both on several lasers and I mostly prefer the G2 lens.

Alan
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PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
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Old 12-10-2014, 10:55 PM #22
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Default Re: Assembled a M140 in a C6 (pic heavy)

Great build! I love it.
I just ordered the C6 host but with no driver.
I just finished my 650nm build that I've yet to write up! I'll have to look more into the drivers that SL has.
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Old 12-12-2014, 01:39 AM #23
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Default Re: Assembled a M140 in a C6 (pic heavy)

Is there a reason the op used 18650 batteries instead of the rcr123a batteries

Wrote SL an email and he said to use rcr123a' s. I have no problem taking his suggestion, just wondering why you choose differently for same host and diode

Thanks
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Old 12-12-2014, 02:08 AM #24
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Default Re: Assembled a M140 in a C6 (pic heavy)

Quote:
Originally Posted by crtbc View Post
Is there a reason the op used 18650 batteries instead of the rcr123a batteries

Wrote SL an email and he said to use rcr123a' s. I have no problem taking his suggestion, just wondering why you choose differently for same host and diode

Thanks
You misread it, go and look again and look at the batteries and you will see they are 16340 not 18650. The 16340 and rcr123a are the same size, they are interchangeable. To use 18650 you have to buy the battery extension tube they sell for $20. That will give you longer battery life but also make your laser longer and heavier, you just have to decide what you prefer.

Alan
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Keychain 650nm <5mW
Quartet 4-in-1 630-680nm <1mW

AtlasNova 635nm <5mW
MillionAccessories 532nm <5mW broken
M462 462nm one of a kind (in progress)
PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
Radiant Electronics X4 3.7W Laser Power Meter


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Old 01-05-2015, 01:52 AM #25
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Default Re: Assembled a M140 in a C6 (pic heavy)

What is the duty cycle of this particular setup, I just built it, great write up btw but noticed after about 30-40 second the heat sink getting warm, how long can I keep it on without damage and then how long to let it cool

Thanks
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Old 01-05-2015, 04:21 AM #26
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Default Re: Assembled a M140 in a C6 (pic heavy)

Quote:
Originally Posted by crtbc View Post
What is the duty cycle of this particular setup, I just built it, great write up btw but noticed after about 30-40 second the heat sink getting warm, how long can I keep it on without damage and then how long to let it cool

Thanks
That's great news, enjoy your new laser, and be careful with it.

That sounds about right, if your driving it at 1.5A and using the same heat sink I would limit it to 40 seconds on and 1 minute off.

Alan
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Keychain 650nm <5mW
Quartet 4-in-1 630-680nm <1mW

AtlasNova 635nm <5mW
MillionAccessories 532nm <5mW broken
M462 462nm one of a kind (in progress)
PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
Radiant Electronics X4 3.7W Laser Power Meter


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