Highly efficient Brillouin amplification of strong Stokes seed

Guo, Qi; Lü, Zhiwei; Wang, Yulei

doi:10.1063/1.3435385

Cited by 23 publications

(5 citation statements)

References 16 publications

(11 reference statements)

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“…During the past decades, stimulated Brillouin scattering (SBS) has attracted researcher's general attention owing to its broad applications. The application region mainly include pulse compression (Yoshida et al, 2009;Velchev & Ubachs, 2005;Xu et al, 2014;Marcus et al, 2008;Hasi et al, 2012), laser beam combination (Kong et al, 2009;, Brillouin amplification (Guo et al, 2010;2013), optical limiting applied for the high power protection (Hasi et al, 2009), and so forth. With SBS pulse compressing technique, a nanosecond laser pulse can be compressed to a hundred picosecond laser pulse with high energy conversion efficiency (Hon, 1980;Neshev et al, 1999;Kuwahara et al, 2000;Velchev & Ubachs, 2005;Marcus et al, 2008;Yoshida et al, 2009;Hasi et al, 2012;Omatsu et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

High stability, single frequency, 300 mJ, 130 ps laser pulse generation based on stimulated Brillouin scattering pulse compression

2014

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We obtained the output of single frequency laser pulses with an average pulse-width of 136 ps and the minimum of 123 ps based on stimulated Brillouin scattering pulse compression pumped by an 8 ns-pulse-width, 1064 nm-wavelength Q-switched Nd:YAG laser. The pulse-width stability of the output is about 4.1% while that of the pump pulses is about 1.1%, the highest energy conversion efficiency is about 85%, and the single pulse energy is above 300 mJ.

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Section: Introductionmentioning

confidence: 99%

High stability, single frequency, 300 mJ, 130 ps laser pulse generation based on stimulated Brillouin scattering pulse compression

2014

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“…Stimulated Brillouin scattering (SBS) is a nonlinear process which has been widely studied because of its specific properties in optical phase conjugation, [1,2] beam combination, [3][4][5][6] and pulse compression. [7,8] Since then, the enormous potential of SBS has been realized, and commercial lasers employing internal pulse compression are now available. [9,10] The use of SBS for the compression of laser pulse has been investigated theoretically and experimentally in various types of lasers and active media.…”

Section: Introductionmentioning

confidence: 99%

Effect of water temperature on pulse duration and energy of stimulated Brillouin scattering

Zhang¹,

Zhang²,

Li³

2013

Chinese Phys. B

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The water temperature has a strong effect on the kinematic viscosity, which is inversely proportional to the phonon lifetime and the gain coefficient. The higher the temperature is, the smaller the kinematic viscosity is, and the larger the phonon lifetime is. At a low pump power and a short focal length, we can derive a single-peak stimulated Brillouin scattering (SBS) pulse. The duration of this single-peak SBS pulse depends mainly on the phonon lifetime of water. With the increase of the water temperature, the duration of such a single-peak SBS pulse will become longer, and the SBS energy will become higher for the gain coefficient, which is related to the phonon lifetime. Therefore, varying the medium temperature can lead to the changes of SBS pulse duration and SBS energy

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“…During the past decades, stimulated Brillouin scattering (SBS) has attracted attention owing to its broad applications, such as the maintenance of the beam front distortion with SBS phase conjugation mirror, [8] pulse compression, [9,10] laser beam combination, [12−14] Brillouin amplification, [15,16] optical limiting applied for the high power protection, [17,18] slow light effect in the fiber, [19,20] distributed temperature/strain optical fiber sensing, [23−25] and optical signal restoration. [21] Among various parameters which affect the SBS characteristics, the SBS threshold value is very important and lots of work has been done to find how to determine this value in recent years.…”

Section: Introductionmentioning

confidence: 99%

A new method for measuring the threshold of stimulated Brillouin scattering

2012

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A new method for measuring the threshold of stimulated Brillouin scattering (SBS) based on the generation location of a Stokes beam is proposed for the first time to our knowledge. The length of the medium cell is selected to be longer than the free gain length of pump pulses in the Brillouin medium. The reflected light from a certain mirror in front of the medium cell is chosen as the reference beam, and the SBS threshold is measured by the "jump" of the delay between the Stokes beam and the reference beam. An 8-ns Q-switched single-longitudinal-mode pulse is used as the pump and the typical SBS medium FC-72 is selected as the nonlinear medium in our experiment. The SBS threshold intensity is measured to be 173-178 mW/cm 2 , which is consistent with existing results measured with the transmitted energy limiting method.

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Highly efficient Brillouin amplification of strong Stokes seed

Abstract: Sum frequency generation of synchronously-seeded, high-power Yb and Er fiber amplifiers in periodically poled KTP

Cited by 23 publications

References 16 publications

High stability, single frequency, 300 mJ, 130 ps laser pulse generation based on stimulated Brillouin scattering pulse compression

High stability, single frequency, 300 mJ, 130 ps laser pulse generation based on stimulated Brillouin scattering pulse compression

Effect of water temperature on pulse duration and energy of stimulated Brillouin scattering

A new method for measuring the threshold of stimulated Brillouin scattering

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