Article on laser driven pB11 fusion

Point out news stories, on the net or in mainstream media, related to polywell fusion.

Moderators: tonybarry, MSimon

crowberry
Posts: 488
Joined: Sun Sep 08, 2013 6:34 am

Article on laser driven pB11 fusion

Postby crowberry » Tue Jul 21, 2015 8:53 pm

Heinrich Hora has written an article called Clean boron fusion using extreme laser pulses where he reports on simulations to study laser driven pB11 fusion and some experimental results too.

http://spie.org/x114732.xml

JohnP
Posts: 296
Joined: Mon Jul 09, 2007 3:29 am
Location: Chicago

Re: Article on laser driven pB11 fusion

Postby JohnP » Fri Jul 24, 2015 5:37 pm

This is interesting. Aside from the challenges of direct conversion though, I wonder about the effects of repeated 10,000 tesla magnetic pulses on any nearby metal...

rcain
Posts: 992
Joined: Mon Apr 14, 2008 2:43 pm
Contact:

Re: Article on laser driven pB11 fusion

Postby rcain » Sat Dec 30, 2017 12:14 am

Hi,

Haven't been on here for a while. Came across the following interesting papers on arxiv by Hora, Miley, et al, on HB11 laser fusion. Thought you folks might find them a good read. Seem to be on the same topic as this thread & didn't find them posted elsewhere. Happy reading.

Laser boron fusion reactor with picosecond petawatt block ignition
Heinrich Hora, Shalom Eliezer, Jiaxiang Wang, Georg Korn, Noaz Nissim, Yanxia Xu, Paraskevas Lalousis, Goetz Kirchhoff, George H. Miley
(Submitted on 29 Jul 2017)

For developing a laser boron fusion reactor driven by picosecond laser pulses of more than 30 petawatts power, advances are reported about computations for the plasma block generation by the dielectric explosion of the interaction. Further results are about the direct drive ignition mechanism by a single laser pulse without the problems of spherical irradiation. For the sufficiently large stopping lengths of the generated alpha particles in the plasma results from other projects can be used.

https://arxiv.org/abs/1708.09722


Extreme laser pulses for possible development of boron fusion power reactors for clean and lasting energy
H. Hora, S. Eliezer, G. J. Kirchhoff, G. Korn, P. Lalousis, G. H. Miley, S. Moustaizis
(Submitted on 17 Mar 2017)

Extreme laser pulses driving non-equilibrium processes in high density plasmas permit an increase of the fusion of hydrogen with the boron isotope 11 by nine orders of magnitude of the energy gains above the classical values. This is the result of initiating the reaction by non-thermal ultrahigh acceleration of plasma blocks by the nonlinear (ponderomotive) force of the laser field, in addition to the avalanche reaction that has now been experimentally and theoretically manifested. The design of a very compact fusion power reactor is scheduled to produce then environmentally fully clean and inexhaustible generation of energy at profitably low costs. The reaction within a volume of cubic millimetres during a nanosecond can only be used for controlled power generation.

https://arxiv.org/abs/1704.07224

PS. recent news from ladajo on EMC2 News thread sounds mighty tantilising. Can't wait to hear more of Polywell. Glad to see it's still bubbling/spinning away. :)

Carl White
Posts: 312
Joined: Mon Aug 24, 2009 10:44 pm

Re: Article on laser driven pB11 fusion

Postby Carl White » Sat Apr 27, 2019 2:46 pm

They've set up a company to develop this:

https://www.hb11.energy

kurt9
Posts: 559
Joined: Mon Oct 15, 2007 4:14 pm
Location: Portland, Oregon, USA

Re: Article on laser driven pB11 fusion

Postby kurt9 » Tue Apr 30, 2019 5:29 pm

This is not your typical laser fusion setup.

These guys are using CPA lasers. CPA lasers are of the very short pulses generated by a method similar to that of the Wakefield technique used in those "table-top" particle accelerators that have recently been developed. So this might have a chance of working.


Return to “News”

Who is online

Users browsing this forum: Giorgio and 5 guests