Experimental investigation of high power picosecond 1.06?m pulse propagation in Bragg fibers

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985882%3A_____%2F13%3A00396857" target="_blank" >RIV/67985882:_____/13:00396857 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1117/12.2017214" target="_blank" >http://dx.doi.org/10.1117/12.2017214</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2017214" target="_blank" >10.1117/12.2017214</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Experimental investigation of high power picosecond 1.06?m pulse propagation in Bragg fibers

Popis výsledku v původním jazyce

In this paper we present fabrication and characterization of the laboratory-designed Bragg fiber. The fiber consisted of a silica core with the diameter of 26 ?m surrounded by 3 pairs of circular Bragg layers with a refractive index contrast up to 0.033.Spectral attenuation was measured using a halogen lamp source and the cut-back method resulting in the attenuation coefficient of 0.175 dB/m at 1064 nm. Experiments on high power laser radiation delivery were performed using a laboratory-designed passively mode-locked Nd:YAG laser system generating pulses with the duration of 20 ps and energy of 15 ?J at the wavelength of 1064 nm. The attenuation coefficient measurements resulted in a value of 0.168 0.005 dB/m. The delivered beam spatial profile was detected in the far-field zone in the distance of 1 cm from the fiber output face. The beam had a circular symmetry with almost Gaussian intensity profile. Bending losses were measured on 1-m long fiber segments using mandrels with differen

Název v anglickém jazyce

Experimental investigation of high power picosecond 1.06?m pulse propagation in Bragg fibers

Popis výsledku anglicky

In this paper we present fabrication and characterization of the laboratory-designed Bragg fiber. The fiber consisted of a silica core with the diameter of 26 ?m surrounded by 3 pairs of circular Bragg layers with a refractive index contrast up to 0.033.Spectral attenuation was measured using a halogen lamp source and the cut-back method resulting in the attenuation coefficient of 0.175 dB/m at 1064 nm. Experiments on high power laser radiation delivery were performed using a laboratory-designed passively mode-locked Nd:YAG laser system generating pulses with the duration of 20 ps and energy of 15 ?J at the wavelength of 1064 nm. The attenuation coefficient measurements resulted in a value of 0.168 0.005 dB/m. The delivered beam spatial profile was detected in the far-field zone in the distance of 1 cm from the fiber output face. The beam had a circular symmetry with almost Gaussian intensity profile. Bending losses were measured on 1-m long fiber segments using mandrels with differen

Druh

D - Stať ve sborníku

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

—

Projekt

<a href="/cs/project/GAP102%2F12%2F2361" target="_blank" >GAP102/12/2361: Braggovská vlákna pro přenos vysokých energií laserů</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Nonlinear Optics and Applications VII (Proceedings of SPIE 8772)

ISBN

978-0-8194-9574-7

ISSN

0277-786X

e-ISSN

—

Počet stran výsledku

10

Strana od-do

—

Název nakladatele

SPIE

Místo vydání

BELLINGHAM

Místo konání akce

Prague

Datum konání akce

15. 4. 2013

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000323286600027