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Date: 13 Sep 2006 13:14:55
From: Radium
Subject: Any natural 400nm lasers in space?
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Hi:
Have scientists discovered any natural lasers in space that emit light
solely at a wavelength of 400 nanometers ["black" light]?
Thanks,
Radium
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Date: 13 Sep 2006 15:21:35
From: Sue...
Subject: Re: Any natural 400nm lasers in space?
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Radium wrote:
> Sue... wrote:
> > Radium wrote:
> > > Hi:
> > >
> > > Have scientists discovered any natural lasers in space that emit light
> > > solely at a wavelength of 400 nanometers ["black" light]?
> > >
> > >
> > > Thanks,
> > >
> > > Radium
> >
> > CO2 is the dielectric in IR sources on Venus and Mars.
> >
> > Some place where nitrogen (337 nm) at low pressure
> > can be excited by a plasma like lightning would be a good
> > candidate for UV. I wouldn't wager aginst the natural occurance
> > of those conditions even if the light isn't discovered yet.
> >
> > Sue...
>
> Is it most likely these these lasers are pumped by nuclear-fusion that
> powers stars?
I didn't say that they exist, to our knowledge so can't
speculate how they would be pumped.
Nitrogen is a bit scarce at the nearest natural fusion facility to
my house. Here are concentrations for what is there.
http://csep10.phys.utk.edu/astr162/lect/sun/composition.html
Actually I was recalling an ancient 'Amateur Scientist' project
in 'Scientific American" for an atmospheric nitrogen laser.
http://www.google.com/search?hl=en&q=%22nitrogen+laser%22+&btnG=Google+Search
The components are so minimal the configuration could
easily exist naturally.
So it probably exist in terrestrial lightning but isn't observed
because the coherent components are masked by the random
components broadning the observed spectra.
Sue...
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Date: 13 Sep 2006 21:40:46
From: Chris L Peterson
Subject: Re: Any natural 400nm lasers in space?
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On 13 Sep 2006 13:14:55 -0700, "Radium" <glucegen1@excite.com > wrote:
>Have scientists discovered any natural lasers in space that emit light
>solely at a wavelength of 400 nanometers ["black" light]?
The only natural UV laser I've heard of is around Eta Carina, with a
dual band emission believed to be caused by FeII lasing (250.7/250.9
nm). I don't know of anything down around the visible-near UV range
you're interested in.
_________________________________________________
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
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Date: 13 Sep 2006 14:38:57
From: Radium
Subject: Re: Any natural 400nm lasers in space?
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Sue... wrote:
> Radium wrote:
> > Hi:
> >
> > Have scientists discovered any natural lasers in space that emit light
> > solely at a wavelength of 400 nanometers ["black" light]?
> >
> >
> > Thanks,
> >
> > Radium
>
> CO2 is the dielectric in IR sources on Venus and Mars.
>
> Some place where nitrogen (337 nm) at low pressure
> can be excited by a plasma like lightning would be a good
> candidate for UV. I wouldn't wager aginst the natural occurance
> of those conditions even if the light isn't discovered yet.
>
> Sue...
Is it most likely these these lasers are pumped by nuclear-fusion that
powers stars?
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Date: 14 Sep 2006 15:23:09
From: Paul B. Andersen
Subject: Re: Any natural 400nm lasers in space?
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Radium wrote:
> Sue... wrote:
>> Radium wrote:
>>> Hi:
>>>
>>> Have scientists discovered any natural lasers in space that emit light
>>> solely at a wavelength of 400 nanometers ["black" light]?
>>>
>>>
>>> Thanks,
>>>
>>> Radium
>> CO2 is the dielectric in IR sources on Venus and Mars.
>>
>> Some place where nitrogen (337 nm) at low pressure
>> can be excited by a plasma like lightning would be a good
>> candidate for UV. I wouldn't wager aginst the natural occurance
>> of those conditions even if the light isn't discovered yet.
>>
>> Sue...
>
> Is it most likely these these lasers are pumped by nuclear-fusion that
> powers stars?
CO2 lasers (10u IR) are observed on both Mars and Venus,
an they are pumped by solar energy.
Paul
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Date: 13 Sep 2006 13:54:34
From: Sue...
Subject: Re: Any natural 400nm lasers in space?
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Radium wrote:
> Hi:
>
> Have scientists discovered any natural lasers in space that emit light
> solely at a wavelength of 400 nanometers ["black" light]?
>
>
> Thanks,
>
> Radium
CO2 is the dielectric in IR sources on Venus and Mars.
Some place where nitrogen (337 nm) at low pressure
can be excited by a plasma like lightning would be a good
candidate for UV. I wouldn't wager aginst the natural occurance
of those conditions even if the light isn't discovered yet.
Sue...
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Date: 14 Sep 2006 00:44:38
From: Wally
Subject: Re: Any natural 400nm lasers in space?
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"Sue..." wrote:
> Radium wrote:
> > Sue... wrote:
> > > Radium wrote:
> > > > Hi:
> > > >
> > > > Have scientists discovered any natural lasers in space that emit light
> > > > solely at a wavelength of 400 nanometers ["black" light]?
> > > >
> > > >
> > > > Thanks,
> > > >
> > > > Radium
> > >
> > > CO2 is the dielectric in IR sources on Venus and Mars.
> > >
> > > Some place where nitrogen (337 nm) at low pressure
> > > can be excited by a plasma like lightning would be a good
> > > candidate for UV. I wouldn't wager aginst the natural occurance
> > > of those conditions even if the light isn't discovered yet.
> > >
> > > Sue...
> >
> > Is it most likely these these lasers are pumped by nuclear-fusion that
> > powers stars?
>
> I didn't say that they exist, to our knowledge so can't
> speculate how they would be pumped.
>
> Nitrogen is a bit scarce at the nearest natural fusion facility to
> my house. Here are concentrations for what is there.
>
> http://csep10.phys.utk.edu/astr162/lect/sun/composition.html
>
> Actually I was recalling an ancient 'Amateur Scientist' project
> in 'Scientific American" for an atmospheric nitrogen laser.
> http://www.google.com/search?hl=en&q=%22nitrogen+laser%22+&btnG=Google+Search
> The components are so minimal the configuration could
> easily exist naturally.
That is exactly the article that comes to my mind. Eons ago!
But a great article.
>
>
> So it probably exist in terrestrial lightning but isn't observed
> because the coherent components are masked by the random
> components broadning the observed spectra.
>
> Sue...
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<!dype html public "-//w3c//dtd html 4.0 transitional//en" >
<html >
<p >"Sue..." wrote:
<blockquote TYPE=CITE >Radium wrote:
<br >> Sue... wrote:
<br >> > Radium wrote:
<br >> > > Hi:
<br >> > >
<br >> > > Have scientists discovered any natural lasers in space that emit
light
<br >> > > solely at a wavelength of 400 nanometers ["black" light]?
<br >> > >
<br >> > >
<br >> > > Thanks,
<br >> > >
<br >> > > Radium
<br >> >
<br >> > CO2 is the dielectric in IR sources on Venus and Mars.
<br >> >
<br >> > Some place where nitrogen (337 nm) at low pressure
<br >> > can be excited by a plasma like lightning would be
a good
<br >> > candidate for UV. I wouldn't wager aginst the natural occurance
<br >> > of those conditions even if the light isn't discovered yet.
<br >> >
<br >> > Sue...
<br >>
<br >> Is it most likely these these lasers are pumped by nuclear-fusion
that
<br >> powers stars?
<p >I didn't say that they exist, to our knowledge so can't
<br >speculate how they would be pumped.
<p >Nitrogen is a bit scarce at the nearest natural fusion facility to
<br >my house. Here are concentrations for what is there.
<p ><a href="http://csep10.phys.utk.edu/astr162/lect/sun/composition.html">http://csep10.phys.utk.edu/astr162/lect/sun/composition.html</a>
<p >Actually I was recalling an ancient 'Amateur Scientist' project
<br >in 'Scientific American" for an atmospheric nitrogen laser.
<br ><a href="http://www.google.com/search?hl=en&q=%22nitrogen+laser%22+&btnG=Google+Search">http://www.google.com/search?hl=en&q=%22nitrogen+laser%22+&btnG=Google+Search</a>
<br >The components are so minimal the configuration could
<br >easily exist naturally.</blockquote>
That is exactly the article that comes to my mind. Eons ago!
<br >But a great article.
<br >
<blockquote TYPE=CITE >
<p >So it probably exist in terrestrial lightning but isn't observed
<br >because the coherent components are masked by the random
<br >components broadning the observed spectra.
<p >Sue...</blockquote>
</html >
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