>200mW High Powered Green Laser Comparison
- Thread starter yobresal
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bryce007
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yea I'm thinking about picking one of those up also.
yobresal
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No luck and I am getting really f-ing pissed off everyday when I get home and the package isn't there. O-dis-Like
Lasher
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Well mine arrived 2day and the wonderful postal worker that delivered it seems to have never learned how to knock on a door.
I had nothing on in my house(No TV, No Stereo, Nothing) and just my screen door closed and he still managed to slip in and leave me a note saying "Sorry We Missed You".
When I saw that note in my mailbox he can be glad he was out of range or I would not have "Missed Him" Grrrrrrr!
After waiting for this thing since the 7th of last month he has no idea the hatred I have for him at this moment.
Kind of made me want to go "Postal" on him.
At any rate I will be going to the post office in the morn and should be at home with my new laser very soon.
Sorry for the Rant but man I hate the USPS.
Lasher
I had nothing on in my house(No TV, No Stereo, Nothing) and just my screen door closed and he still managed to slip in and leave me a note saying "Sorry We Missed You".
When I saw that note in my mailbox he can be glad he was out of range or I would not have "Missed Him" Grrrrrrr!
After waiting for this thing since the 7th of last month he has no idea the hatred I have for him at this moment.
Kind of made me want to go "Postal" on him.
At any rate I will be going to the post office in the morn and should be at home with my new laser very soon.
Sorry for the Rant but man I hate the USPS.
Lasher
bryce007
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Yea they drive me nuts, I've had many packages come that say signature confirmation on the box, and they just leave it at the door, drives me nuts. That's happened 2 times already, luckily I still got the packages ok.
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Hey Luke, IIRC, your LPM uses a Photodiode doesn't it ? My understanding is that they are NOT as accurate as an LPM that uses a Thermopile sensor. IDK, I could be wrong though. HEY LASERSBEE, wanna step in here & add your opinion on this ?..............rob
Lasher
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Glad to hear you got the rest of the O-like. I have to ask. What did it test at without the added IR filter you put on?
I have to agree with you the O-like is a real bang for the buck laser. I'm curious to see if it ends up being your best Price vs Performance pic of all the ones you're testing.
Lasher
I have to agree with you the O-like is a real bang for the buck laser. I'm curious to see if it ends up being your best Price vs Performance pic of all the ones you're testing.
Lasher
bryce007
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It is a photodiode, but it says it's got wavelength correction and accuracy within 5%.
Coherent Inc. : LaserCheck
yobresal
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Method 1
Without the filter it tests around 450mW but this is entirely inaccurate as that number is not reflective of the amount of IR spilling out or the green but rather a distorted measurement of the green therefor this information is useless....almost.
Using a filter that filters out all green and keeping the meter set to 532nm I get a reading of 175mW. Assuming most of the IR gets though that means that I am getting 275mW of green out.
Method 2.
I received a butt load of IR filters from optotronics.com they do not completely block out IR and they also block out some green. Using 2 of these filters and some math you can determine the green output. It turns out to be around the same or slightly higher.
