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My hypothetical design of fusion-pumped lasers
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Sam Goldwasser
science forum beginner


Joined: 06 Aug 2005
Posts: 11

PostPosted: Wed Jun 14, 2006 3:42 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

"Radium" <glucegen1@excite.com> writes:

Quote:
Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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Pooh Bear
science forum addict


Joined: 17 Apr 2005
Posts: 76

PostPosted: Wed Jun 14, 2006 4:29 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Radium wrote:

Quote:
Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

You're an idiot.

Graham
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Radium
science forum Guru Wannabe


Joined: 15 Dec 2005
Posts: 241

PostPosted: Wed Jun 14, 2006 4:30 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Sam Goldwasser wrote:
Quote:
"Radium" <glucegen1@excite.com> writes:

Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

Sorry if I seem ignorant but what do you mean by electrical output from
fusion?

Why not use the nuclear fusion as the pump?

Quote:

--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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Sam Goldwasser
science forum beginner


Joined: 06 Aug 2005
Posts: 11

PostPosted: Wed Jun 14, 2006 4:40 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

"Radium" <glucegen1@excite.com> writes:

Quote:
Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

Sorry if I seem ignorant but what do you mean by electrical output from
fusion?

Electrical power converted from the thermal energy produced by the fusion
reaction.

Quote:
Why not use the nuclear fusion as the pump?

Because I don't know how to pump a laser non-desctructively with fusion. :)

--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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Radium
science forum Guru Wannabe


Joined: 15 Dec 2005
Posts: 241

PostPosted: Wed Jun 14, 2006 5:25 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Sam Goldwasser wrote:
Quote:
"Radium" <glucegen1@excite.com> writes:

Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

Sorry if I seem ignorant but what do you mean by electrical output from
fusion?

Electrical power converted from the thermal energy produced by the fusion
reaction.

Okay

Quote:
Why not use the nuclear fusion as the pump?

Because I don't know how to pump a laser non-desctructively with fusion. Smile

Sometimes fission is used to pump lasers. Fission is boring as hell
though. Why not add a zing to life and use fusion instead of fission.

Quote:
--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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Pooh Bear
science forum addict


Joined: 17 Apr 2005
Posts: 76

PostPosted: Wed Jun 14, 2006 7:11 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Radium wrote:

Quote:
Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham
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Radium
science forum Guru Wannabe


Joined: 15 Dec 2005
Posts: 241

PostPosted: Wed Jun 14, 2006 7:46 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Pooh Bear wrote:
Quote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be done by
fission, then why not with fusion??
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Sam Goldwasser
science forum beginner


Joined: 06 Aug 2005
Posts: 11

PostPosted: Wed Jun 14, 2006 8:05 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

"Radium" <glucegen1@excite.com> writes:

Quote:
Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

Sorry if I seem ignorant but what do you mean by electrical output from
fusion?

Electrical power converted from the thermal energy produced by the fusion
reaction.

Okay

Why not use the nuclear fusion as the pump?

Because I don't know how to pump a laser non-desctructively with fusion. :)

Sometimes fission is used to pump lasers. Fission is boring as hell
though. Why not add a zing to life and use fusion instead of fission.

I agree. But (1) fission tended to be a one shot deal. You got your beam
a few ns before the entire thing vaporized and (2) for fusion, we need a
neutron pumped lasing medium or something like that, don't we?

--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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redbelly
science forum beginner


Joined: 19 Jun 2005
Posts: 20

PostPosted: Wed Jun 14, 2006 8:19 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Radium wrote:
Quote:
Pooh Bear wrote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be done by
fission, then why not with fusion??

Even if it were possible, for people to get interested in (and funding)
to build one it would have to be either more efficient or somehow
produce a better laser beam than what already exists.

Mark
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Radium
science forum Guru Wannabe


Joined: 15 Dec 2005
Posts: 241

PostPosted: Wed Jun 14, 2006 8:40 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Sam Goldwasser wrote:
Quote:
"Radium" <glucegen1@excite.com> writes:

Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:

Hi:

Here is my theoretical design of a fusion-pumped laser chain-reaction.

Laser # 1 emits a beam of light that -- when concentrated into a
narrower beam -- is intense enough to cause thermonuclear fusion of the
of the deuterium and tritium in laser #2. The deuterium-tritium fusion
in "pumps" the rare-crystal medium in laser #2 causing #2 to give out
light of its own.

Laser #1 would be energized by a deuterum-tritium fusion also. However,
the fusion in laser #1 is initiated by another laser, laser-A. Laser-A
is pumped by electricity. After the concentrated light from laser-A
ignites the deuterium-tritium fusion in laser #1, laser-A is then
switched-off totally and then dissassembled as it is no longer needed.
After this, laser #2 is built and has its deuterium-tritium fusion
initiated by the concentrated beam emitted from laser #1. A laser #3 is
then built. Laser #3 can have its own deuterium-tritium fusion initated
by the beams from laser #1 and/or laser #2. A laser #4 is then built
and can have its deuterium-tritium fusion initiated by lasers #1, #2,
and/or #3. Following this, laser #5 is built and then, well you
probably get the point...

:)

You don't need all that. Just get laser #1 working and use its electrical
output from fusion to power it. It's called "breakeven", though given
the inefficency of the laser, will have to be a few thousand times greater
probably.

Sorry if I seem ignorant but what do you mean by electrical output from
fusion?

Electrical power converted from the thermal energy produced by the fusion
reaction.

Okay

Why not use the nuclear fusion as the pump?

Because I don't know how to pump a laser non-desctructively with fusion. :)

Sometimes fission is used to pump lasers. Fission is boring as hell
though. Why not add a zing to life and use fusion instead of fission.


I agree. But (1) fission tended to be a one shot deal. You got your beam
a few ns before the entire thing vaporized and

Okay

Quote:
(2) for fusion, we need a neutron pumped lasing medium or something like that, don't >we?

Yes.

Quote:

--- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

Important: Anything sent to the email address in the message header above is
ignored unless my full name AND either lasers or electronics is included in the
subject line. Or, you can contact me via the Feedback Form in the FAQs.
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Radium
science forum Guru Wannabe


Joined: 15 Dec 2005
Posts: 241

PostPosted: Wed Jun 14, 2006 8:41 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

redbelly wrote:
Quote:
Radium wrote:
Pooh Bear wrote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be done by
fission, then why not with fusion??

Even if it were possible, for people to get interested in (and funding)
to build one it would have to be either more efficient or somehow
produce a better laser beam than what already exists.

Mark

Fusion lasers are more interesting than fission lasers. Fission sucks.
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Lostgallifreyan
science forum beginner


Joined: 12 Mar 2006
Posts: 11

PostPosted: Wed Jun 14, 2006 9:00 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

"Radium" <glucegen1@excite.com> wrote in
news:1150317707.277460.69240@g10g2000cwb.googlegroups.com:

Quote:

redbelly wrote:
Radium wrote:
Pooh Bear wrote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be
done by fission, then why not with fusion??

Even if it were possible, for people to get interested in (and
funding) to build one it would have to be either more efficient or
somehow produce a better laser beam than what already exists.

Mark

Fusion lasers are more interesting than fission lasers. Fission sucks.


I recommend you do some tachyon bombardment in a containment field based on
a magnetic monopole. This might even make your 'circular' laser
(spherical), as opposed to the polar form a torus would produce. A small
pellet of unobtainium nullate should form a nice plasma to help stabilise
the reaction, which should be self sustaining indefinitely. You'll want
some hefty iridium YAK bullshit lasers to pump it to start things off
though, as many as you can get round it.

--
----------------------------------------
http://save.nazanin.googlepages.com/home
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Pooh Bear
science forum addict


Joined: 17 Apr 2005
Posts: 76

PostPosted: Wed Jun 14, 2006 9:03 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Radium wrote:

Quote:
Pooh Bear wrote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be done by
fission, then why not with fusion??

What's the market for it ? What's it good for ? Who wants one ? Is it even
practical ?

Graham
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Lostgallifreyan
science forum beginner


Joined: 12 Mar 2006
Posts: 11

PostPosted: Wed Jun 14, 2006 9:05 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

Sam Goldwasser <sam@saul.cis.upenn.edu> wrote in
news:6wodwvijuq.fsf@saul.cis.upenn.edu:

Quote:
"Radium" <glucegen1@excite.com> writes:

Sam Goldwasser wrote:
"Radium" <glucegen1@excite.com> writes:


snipped

Quote:

Why not use the nuclear fusion as the pump?

Because I don't know how to pump a laser non-desctructively with
fusion. :)

Sometimes fission is used to pump lasers. Fission is boring as hell
though. Why not add a zing to life and use fusion instead of fission.

I agree. But (1) fission tended to be a one shot deal. You got your
beam a few ns before the entire thing vaporized and (2) for fusion, we
need a neutron pumped lasing medium or something like that, don't we?


Gamma photons?

--
----------------------------------------
http://save.nazanin.googlepages.com/home
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mmeron@cars3.uchicago.edu
science forum Guru


Joined: 14 Sep 2005
Posts: 434

PostPosted: Wed Jun 14, 2006 9:33 pm    Post subject: Re: My hypothetical design of fusion-pumped lasers Reply with quote

In article <Xns97E2DFDEBB168lostgallifreyangmail@140.99.99.130>, Lostgallifreyan <no-one@nowhere.net> writes:
Quote:
"Radium" <glucegen1@excite.com> wrote in
news:1150317707.277460.69240@g10g2000cwb.googlegroups.com:


redbelly wrote:
Radium wrote:
Pooh Bear wrote:
Radium wrote:

Why not add a zing to life and use fusion instead of fission.

Why not try living in the real world ?

Graham

What is so unreal about fusion-pumped lasers? If pumping can be
done by fission, then why not with fusion??

Even if it were possible, for people to get interested in (and
funding) to build one it would have to be either more efficient or
somehow produce a better laser beam than what already exists.

Mark

Fusion lasers are more interesting than fission lasers. Fission sucks.


I recommend you do some tachyon bombardment in a containment field based on
a magnetic monopole. This might even make your 'circular' laser
(spherical), as opposed to the polar form a torus would produce. A small
pellet of unobtainium nullate should form a nice plasma to help stabilise
the reaction, which should be self sustaining indefinitely. You'll want
some hefty iridium YAK bullshit lasers to pump it to start things off
though, as many as you can get round it.

That's a keeper:-)


Mati Meron | "When you argue with a fool,
meron@cars.uchicago.edu | chances are he is doing just the same"
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