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green lasers

  • albertw
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19 years 10 months ago #7827 by albertw
Replied by albertw on topic Re: Lasers

I've heard of people actually doing this, no, not exploding them but annoyed astronomers pointing them at an annoying nearby light (at the light sensor) and fooling the light into thinking its daytime, thus putting it out.

Shane,
Gimmicks are cooool 8) , well at least in this instance.


And you can get arrested for this in the UK :-)

Problem here is that the sensor is on top of the light ususally, which means you cant hit it with a laser from the ground and knock the light off. Or so I've been told ;-)

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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19 years 10 months ago #7829 by albertw
Replied by albertw on topic Re: green lasers

When it says that you can only order >5mW lasers for professional use, what exactly does it mean, if you tell them you're an astronomer and are going to use it for collimating your optics, would that be enough ???
It doesnt say that you need to be an employee in a company who is ordering it for a company, besides these are american laws, they obviously dont apply here.

Those Wicked lasers/light-sabers are awesome !!! :shock:


Um.. a 2mw red laser will do for collimation. What are you actually planning on using a >5mw laser for Dave? :-)

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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19 years 10 months ago #7847 by dave_lillis
Replied by dave_lillis on topic Re: green lasers

When it says that you can only order >5mW lasers for professional use, what exactly does it mean, if you tell them you're an astronomer and are going to use it for collimating your optics, would that be enough ???
It doesnt say that you need to be an employee in a company who is ordering it for a company, besides these are american laws, they obviously dont apply here.

Those Wicked lasers/light-sabers are awesome !!! :shock:


Um.. a 2mw red laser will do for collimation. What are you actually planning on using a >5mw laser for Dave? :-)


You have to have a little fun, :wink: :wink:
Seriously though, its would be great for collimation, given that there is a fair amount of light poollution here, I reckon I need a brighter laser to set it up :lol: , maybe a 20mW

Forget boxcutters, I reckon the FBI/CIA in the US will be onto Meade and try and ban some of the features in the LPI, think about it,
LX200 GPS / LPI /Laser pointer and the auto-tracking/giuding feature on the LPI, that could be a lethal combination.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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19 years 10 months ago #8156 by Bill_H
Replied by Bill_H on topic Re: green lasers
Hi, just wondering if the following is any good for star pointing and aligning etc?
532nm green laser @ 89.00 euro.
Bill H.

Astronomers do it with the lights off.

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19 years 10 months ago #8157 by Seanie_Morris
Replied by Seanie_Morris on topic Re: green lasers

Hi, just wondering if the following is any good for star pointing and aligning etc?
532nm green laser @ 89.00 euro.
Bill H.


Hi Bill,
have you got a weblink perhaps for these lasers that you are referring to that we can find out for you?

Generally, it comes down to the mW power consumption of the laser. The ones we are talking about are about the same price as you quote here. Our ones are powerful enough (5milliWatts), and focused properly, to give a finite and focused beam almost 2km long.

Seanie.

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.

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19 years 10 months ago #8165 by Bill_H
Replied by Bill_H on topic Re: green lasers

have you got a weblink perhaps for these lasers that you are referring to that we can find out for you?


Sure thing.
www.laserpointer4u.de

Bill.

Astronomers do it with the lights off.

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