scholarly journals Efficient second-harmonic generation of a high-energy, femtosecond laser pulse in a lithium triborate (LBO) crystal

2021 ◽  
Author(s):  
Aparajit Chandrasekaran ◽  
Kamalesh Jana ◽  
Yash Ved ◽  
Amit Lad ◽  
Arnaud Couairon ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Femtosecond Laser Pulse ◽  
Second Harmonic ◽  
High Energy ◽  
Lithium Triborate ◽  
Lbo Crystal

In situ monitoring of second-harmonic generation in human corneas to compensate for femtosecond laser pulse attenuation in keratoplasty

2007 ◽  
Vol 12 (6) ◽  
pp. 064032 ◽  
Author(s):  
Valeria Nuzzo ◽  
Karsten Plamann ◽  
Michèle Savoldelli ◽  
Michele Merano ◽  
David Donate ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Femtosecond Laser Pulse ◽  
Second Harmonic ◽  
In Situ Monitoring

scholarly journals Генерация второй оптической гармоники и ее фотоиндуцированная динамика в сегнетоэлектрике-полупроводнике Sn-=SUB=-2-=/SUB=-P-=SUB=-2-=/SUB=-S-=SUB=-6-=/SUB=-

2018 ◽  
Vol 60 (1) ◽  
pp. 33
Author(s):  
К.А. Брехов ◽  
К.А. Гришунин ◽  
Д.В. Афанасьев ◽  
С.В. Семин ◽  
Н.Э. Шерстюк ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Second Harmonic ◽  
Electric Polarization ◽  
Ultrafast Dynamics ◽  
Optical Pump ◽  
Pump Probe

AbstractBy means of optical pump–probe technique, the ultrafast dynamics of nonlinear optical response of the ferroelectric semiconductor Sn_2P_2S_6 crystal excited with a femtosecond laser pulse has been investigated. It has been shown that, under the action of femtosecond pulses, change in optical second harmonic generation occurs in the sample, which can be due to screening of existing electric polarization.

scholarly journals An Optical Frequency Domain Angle Measurement Method Based on Second Harmonic Generation

Sensors ◽  
2021 ◽  
Vol 21 (2) ◽  
pp. 670
Author(s):  
Wijayanti Dwi Astuti ◽  
Hiraku Matsukuma ◽  
Masaru Nakao ◽  
Kuangyi Li ◽  
Yuki Shimizu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Frequency Domain ◽  
Harmonic Generation ◽  
Measurement Method ◽  
Second Harmonic ◽  
Angle Measurement ◽  
Laser Source ◽  
Optical Frequency ◽  
Measurable Range

This paper proposes a new optical angle measurement method in the optical frequency domain based on second harmonic generation with a mode-locked femtosecond laser source by making use of the unique characteristic of the high peak power and wide spectral range of the femtosecond laser pulses. To get a wide measurable range of angle measurement, a theoretical calculation for several nonlinear optical crystals is performed. As a result, LiNbO3 crystal is employed in the proposed method. In the experiment, the validity of the use of a parabolic mirror is also demonstrated, where the chromatic aberration of the focusing beam caused the localization of second harmonic generation in our previous research. Moreover, an experimental demonstration is also carried out for the proposed angle measurement method. The measurable range of 10,000 arc-seconds is achieved.

scholarly journals Efficient third-harmonic generation through tailored IR femtosecond laser pulse filamentation in air

2009 ◽  
Vol 17 (5) ◽  
pp. 3190 ◽  
Author(s):  
S. Suntsov ◽  
D. Abdollahpour ◽  
D. G. Papazoglou ◽  
S. Tzortzakis
Keyword(s):  
Laser Pulse ◽  
Femtosecond Laser ◽  
Harmonic Generation ◽  
Femtosecond Laser Pulse ◽  
Third Harmonic Generation ◽  
Third Harmonic

Second-harmonic generation in plasmas produced by femtosecond laser pulses

1991 ◽  
Vol 43 (8) ◽  
pp. 4564-4567 ◽  
Author(s):  
T. Engers ◽  
W. Fendel ◽  
H. Schüler ◽  
H. Schulz ◽  
D. von der Linde
Keyword(s):  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses

Tunable second harmonic generation from a Kerr-lens mode-locked Yb:YCa 4 O(BO 3 ) 3 femtosecond laser

2017 ◽  
Vol 26 (4) ◽  
pp. 044202
Author(s):  
Zi-Ye Gao ◽  
Jiang-Feng Zhu ◽  
Zheng-Mao Wu ◽  
Zhi-Yi Wei ◽  
Hao-Hai Yu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic

X-ray production and second-harmonic generation during femtosecond laser microdrilling

2015 ◽  
Vol 120 (2) ◽  
pp. 409-415 ◽  
Author(s):  
V. M. Gordienko ◽  
I. A. Zhvaniya ◽  
I. A. Makarov
Keyword(s):  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
X Ray
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