Cold shock killed my LOC

• Oct 17, 2009

• #1

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Slipstream

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So i was running my LOC in dorcy Jr today and noticed it was very warm. i put it in the freezer with a cap on for 2 min. it was cool. I didnt think to let it acclimate and turned it on.. INSTANT DEATH . .


sigh .. . . . . .

Moral of the story.. just leave it alone.. dont mess with it

 

• Oct 17, 2009

• #2

BuildAbluraylaser

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You should have kept it at ambient temperature. Small connections to the laser dye could have broken although it might be the driver...

 

• Oct 17, 2009

• #3

ndrew2505

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could have been condensation too...

 

• Oct 17, 2009

• #4

daguin

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Slipstream said:

Moral of the story.. just leave it alone.. dont mess with it

Click to expand...

Truer words were never spoken.

I would have difficulty counting how many lasers I have had to repair simply because the owner wanted to "look at" the inner workings without knowing how to disassemble the laser or what types of precautions must be taken when handling the electronics.

Peace,
dave

 

• Oct 17, 2009

• #5

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Slipstream

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it still lases but at .002 mw

update****

SO this is a Jake21 build.. keep that in mind..

I took it apart to change out the diode and guess what..

THERE IS NO DRIVER!! which is ok because it heatsinked and ive never had a problem with it until now.

i think its actually very interesting because once i put a fresh battery in i metered it with a aixiz glass and it was shooting out 350mw. and 400mw with a 405g-1 lens..

it was pretty warm and thats when i stuck it in the freezer for about 1.5 min. took it out chilly and zap..

oh well lesson learned.

 

Last edited: Oct 17, 2009

• Oct 17, 2009

• #6

Tech_Junkie

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May your laser rest in pieces. Moment of silence now as we pray...

 

• Oct 17, 2009

• #7

BuildAbluraylaser

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No driver?

Actually I think that it was just a coincidence, the lack of driver might have given a letal spike to the diode.

 

• Oct 17, 2009

• #8

bobhaha

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did any one notice his thread title rhymes? Cold shock killed my LOC?? LOL I pick up on these things for no reason but yah I found it funny!

 

• Oct 17, 2009

• #9

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hydrogenman15

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I've heard that reds tend to be more efficient at lower temperatures. Colder = more efficient = more light = Catastrophic Optical Damage.

I'm totally just guessing this though.

--Hydro15