advanced beam manipulation, cooling, damping and stability 213
the technique, which is presently under development, is to
coherently combine the output of many fiber lasers, with
the goal to produce laser systems with high repetition rates,
high energy and high efficiency. The concept is illustrated in
Fig. 10.37.
The technique of coherent fiber laser pulse combination
is striving to solve the deficiency of present high-peak power
lasers (such as Ti:Sapphire or Nd:glass lasers) both of which
have high peak powers but very low repetition rates (ranging
from one shot per hour to around a Hz) and low efficiency
(less than 0.01%).
FIGURE 10.37
Concept of fiber laser coherent combination of pulses.
This technique, once developed, can serve as an efficient
laser driver for laser plasma acceleration based light sources,
which can be applied to the field of medicine, among others.
10.4.4 Resonant plasma excitation
We will mention one more accelerator technique that is currently being developed — resonant plasma excitation. 13
In this case, the amplitude of plasma oscillation accumulates slowly, while plasma oscillations are excited by a train
of low-energy laser pulses distanced at plasma wavelengths.
Such a technique is particularly suitable for use in conjunction with fiber lasers because it can provide the driving laser
trains with high efficiency and high repetition rates.
This technique, once finalized, can also offer the path to
efficient laser-driven plasma acceleration based light sources
(which have applications beyond accelerator physics).
13 S.M. Hooker et al., J.Phys. B47 (2014) 234003.
the technique, which is presently under development, is to
coherently combine the output of many fiber lasers, with
the goal to produce laser systems with high repetition rates,
high energy and high efficiency. The concept is illustrated in
Fig. 10.37.
The technique of coherent fiber laser pulse combination
is striving to solve the deficiency of present high-peak power
lasers (such as Ti:Sapphire or Nd:glass lasers) both of which
have high peak powers but very low repetition rates (ranging
from one shot per hour to around a Hz) and low efficiency
(less than 0.01%).
FIGURE 10.37
Concept of fiber laser coherent combination of pulses.
This technique, once developed, can serve as an efficient
laser driver for laser plasma acceleration based light sources,
which can be applied to the field of medicine, among others.
10.4.4 Resonant plasma excitation
We will mention one more accelerator technique that is currently being developed — resonant plasma excitation. 13
In this case, the amplitude of plasma oscillation accumulates slowly, while plasma oscillations are excited by a train
of low-energy laser pulses distanced at plasma wavelengths.
Such a technique is particularly suitable for use in conjunction with fiber lasers because it can provide the driving laser
trains with high efficiency and high repetition rates.
This technique, once finalized, can also offer the path to
efficient laser-driven plasma acceleration based light sources
(which have applications beyond accelerator physics).
13 S.M. Hooker et al., J.Phys. B47 (2014) 234003.