Old 10-30-2017, 11:00 PM #1
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Default Hey there, I'm Lou!

I wish I didn't like lasers since they are dangerous and expensive.

So anyway, I got the green Laser 303 from eBay and it's amazing how powerful it is for 10 bucks! My brother got me a green Dragon Laser 35mW probably 7 years ago. First thing I did with it was shoot it at a plane. He told me not to do that.

I think that thing was $120 bucks back then. So it's really exciting that they are more affordable now.

I also got the chinese 1W+ Blue Laser. That thing is freaking nuts. I wish they didn't come with the Red safety glasses because I didn't realize until later that they don't work. They cut down the power of the beam but the Orange Uvex glasses from Amazon stop the beam completely! In fact, shining it at a white balloon has left my one eye a little sensitive since all I was wearing was the stupid red glasses when I got hit by the very diffused dot. No blind spots or anything just when I blink I can still see the lights that were just in my vision more than usual.

Speaking of eyes: I am thinking about getting the 589nm Yellow Laser from Dragon Lasers because the color looks awesome. If I get the 5mW one, I'm sure it'll be overspec'd to like 15mW... is that still safe to use indoors sans glasses if you don't get a reflection in the eye or anything? If not it'd be pointless to get a weak cool-colored laser that can only be used with glasses that change the color. So in that case it'd make more sense to pay (way) more and get the 50mW then I can at least see the beam at night shooting it at the sky (no planes, promise).

Thanks!,
Lou (Pennsylvania)


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Old 10-31-2017, 12:48 AM #2
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Default Re: Hey there, I'm Lou!

Welcome
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Old 10-31-2017, 01:04 AM #3
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Default Re: Hey there, I'm Lou!

Welcome. Enjoy the forum.

Study up on eye hazards here: http://www.laserpointersafety.com/

Here is a good eye hazard chart: http://www.lasersafetyfacts.com/reso...or-LSF-v02.png

Last edited by Encap; 10-31-2017 at 01:06 AM.
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Old 10-31-2017, 01:45 AM #4
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Default Re: Hey there, I'm Lou!

Welcome to LPF!

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Old 10-31-2017, 02:58 AM #5
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Default Re: Hey there, I'm Lou!

Hi And welcome to LPF many great folks here with an abundance of knowledge to go by, Enjoy and be safe

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Old 10-31-2017, 06:32 AM #6
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Default Re: Hey there, I'm Lou!

Welcome Lou, if you are going to become a fairly active member here, I'd like to recommend you are vetted by a forum veteran of your choice. We've had a banned member come in and continue to make new member identities, due to this, all new members are suspect to me, until someone can confirm you aren't him coming back for more games. Interested?
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

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Old 10-31-2017, 06:54 AM #7
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Default Re: Hey there, I'm Lou!

Quote:
Originally Posted by Alaskan View Post
Welcome Lou, if you are going to become a fairly active member here, I'd like to recommend you are vetted by a forum veteran of your choice. We've had a banned member come in and continue to make new member identities, due to this, all new members are suspect to me, until someone can confirm you aren't him coming back for more games. Interested?
Haha, sure! I have nothing to hide. Like I'll show him my Facebook page and whatever else until he is satisfied?

Thanks so much for the warm welcomes, guys!

Edit: BowtieGuy seems pretty active if he wants to "vet" me.

Last edited by Pouie; 10-31-2017 at 07:04 AM.
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Old 10-31-2017, 07:07 AM #8
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Default Re: Hey there, I'm Lou!

Quote:
Originally Posted by Pouie View Post
Haha, sure! I have nothing to hide. Like I'll show him my Facebook page and whatever else until he is satisfied?

Thanks so much for the warm welcomes, guys!

Edit: BowtieGuy seems pretty active if he wants to "vet" me.
Welcome
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Old 10-31-2017, 07:54 AM #9
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Default Re: Hey there, I'm Lou!

Cool Lou, you can PM me or ask this of another vet too.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

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Old 10-31-2017, 09:00 AM #10
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Default Re: Hey there, I'm Lou!

Quote:
Originally Posted by Alaskan View Post
Welcome Lou, if you are going to become a fairly active member here, I'd like to recommend you are vetted by a forum veteran of your choice. We've had a banned member come in and continue to make new member identities, due to this, all new members are suspect to me, until someone can confirm you aren't him coming back for more games. Interested?
Just to set the record straight, making a new member identity is needed to comment after someone is banned with full knowledge it will be immediately banned as well so that new member identity has never been made with the intention of fooling anybody or trying to rejoin here !

If you don't give that banned member a reason to comment he would never come back by making another new member identity, vetted a new member by a forum veteran is a pointless and paranoid exercise that could never keep that banned member out IF he refused to stay out which i'm sure he is more than happy to do if you don't give him a reason to come back !

BUT if vetting helps you sleep at night and not to continue to treat new members like crap then by all means vet away fool !!!
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Old 10-31-2017, 09:48 AM #11
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Default Re: Hey there, I'm Lou!

Quote:
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If you don't give that banned member a reason to comment he would never come back by making another new member identity, vetted a new member by a forum veteran is a pointless and paranoid exercise that could never keep that banned member out IF he refused to stay out which i'm sure he is more than happy to do if you don't give him a reason to come back !
But that's not going to work either Accu, since you're a banned member, because then that opens the door for you to slip back in unquestioned and resume you're antics.

How about we call it a day and we'll leave you alone if you leave us alone?

We won't be dictated to by a banned member but we will respect the agreement if you keep you're end of the bargain.
Returning perma-banned members will always be banned again once discovered so it's a waste of time for all of us.

RB
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Old 10-31-2017, 11:57 AM #12
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Default Re: Hey there, I'm Lou!

Welcome to the Forum...
Enjoy your stay.

@ RB...
Good job fishing that Turd out of the Pool again...
Seem like he's a bit "Paranoid"...

Jerry
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Old 10-31-2017, 04:29 PM #13
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Default Re: Hey there, I'm Lou!

Lou has been vetted, painless, no privacy broken.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 10-31-2017 at 04:29 PM.
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Old 11-01-2017, 02:26 AM #14
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Default Re: Hey there, I'm Lou!

Welcome to the forum, enjoy and be safe.
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Old 11-01-2017, 05:41 PM #15
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Default Re: Hey there, I'm Lou!

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Lou has been vetted, painless, no privacy broken.
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Old 11-03-2017, 09:37 PM #16
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Default Re: Hey there, I'm Lou!

I can also confirm that Lou is legitimately here for
Laser related stuff...

Jerry
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Last edited by lasersbee; 11-03-2017 at 09:37 PM.
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