... gaussian pulse, the bandwidth doubles for φ
NL
2. 4.
70
Coherence and Ultrashort Pulse Laser Emission
Coherence and Ultrashort Pulse Laser Emission
36
Fig. 13. The normalized degree of coherence ... A
ω
. The efficiency of 2
harmonic generation, η
2
= I
2
/I
ω
, reduces to Eq. (16):
η
2
=
8π
2
d
2
eff
L
2
I
ω
0
n
2
ω
n
2
cλ
2
ω
sin
2
(Δ...
... corresponding to 9.0 cycles at 3 .2
μm, and these
pulses cover a 45 fs, 4 .2 cycle transform limited bandwidth (Fig. 9 c) and d).
Coherence and Ultrashort Pulse Laser Emission
28 0
Moon, E., Li, C., ... the chirped pulses -termed OPCPA stage- amplifies the pulses that are compressed at the
end of the system as shown in Fig. 3.
310
Coherence and Ultrashort Pulse...
...
J. Opt. Soc. Am. A, 20
(20 03) 1537.
[23 ] D. G. Grier, “A revolution in optical manipulation,”
Nature 424 (20 03) 810.
Coherence and Ultrashort Pulse Laser Emission
6 02
of a few µm in order ... nanofabrication.
Coherence and Ultrashort Pulse Laser Emission
6 12
(SEM). When the laser pulse energy is set to 2. 54μJ, the diameter of the ablated...
...
Littman, M. G., and Metcalf, H. J. (1978). Spectrally narrow pulsed dye laser without beam
expander, Appl. Opt. 17, 22 24 -22 27.
Liu, X., Li, H., Song, C., Liao, Y., and Tian, M. (20 09). Microcavity ... at z = 340 mm. Each pixel is 25 μm wide (from
Duarte et al. (20 05)).
Part 1
Coherence and Quantum Phenomena
Coherence and Ultrashort Pulse Laser Emission...
... America.
114
Coherence and Ultrashort Pulse Laser Emission
Coherence and Ultrashort Pulse Laser Emission
116
2. Theory
In general, the homogeneous broadening gives a Lorentz profile:
()
()()
22
0
1
2
/2
l
L
l
S
γ
ω
π
ωω ...
p
u
l
s
e
|e>
|g>
2
n
d
p
u
l
s
e
|e>
|g>
2
n
d
p
u
l
s
e
2
n
d
p
u
l
s
e
E
2
ε
t
d
2
2
Fig. 2. Time domain...
... stretching of ultrashort laser pulses. The
term frequency chirp means temporal arrangement of the frequency components of the laser
pulse.
Coherence and Ultrashort Pulse Laser Emission
22 0
(FWHM) ... Coherence and Ultrashort Pulse Laser Emission
20 6
2. Techniques of temporal stretching of laser pulses
Based on the physics and technology, the te...
... medium (a)
and the XPM induced frequency chirp for Laser 2 (b). The red line is for laser- 1 and black
one is for laser- 2.
Coherence and Ultrashort Pulse Laser Emission
26 2
cycle pulses (Kreb ... Qian, L.J.
(20 06). Opt. Lett. 31, 646–648.
Zhu, C.; Wang, Y.; He, J.; Wang, S. & Hou, X. (20 05). J. Opt. Soc. Am. B 22 , 122 1- 122 7.
Coherence and U...
... relatively suppressed, which acts as
318
Coherence and Ultrashort Pulse Laser Emission
Coherence and Ultrashort Pulse Laser Emission
350
and imaginary parts of the index of refraction at the ... ideal candidate as a front end of future
multi-Petawatt to Exawatt lasers.
324
Coherence and Ultrashort Pulse Laser Emission
18 Laser Pulses
laser (EKSPLA...