<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><img src="cid:380c3a591eb2f474cd9ce246c3e3cab42725b458@zimbra" data-mce-src="cid:380c3a591eb2f474cd9ce246c3e3cab42725b458@zimbra"><br></span></b></p><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"> </span></b></p><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;">Institut za fiziku, Bijenička cesta 46,</span></b></p><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;">predavaonica u zgradi Mladen Paić</span></b></p><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;"> četvrtak, 3. srpnja 2014., u 11:00 sati</span></b></div><div><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;"><br></span></b></div><div style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"> Femtosekundne laserske tehnike i odabrani primjeri primjene</span></b></span></b></span></div><div style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><br></span></b></span></b></span></div><div style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);">Dr. sc. Nataša Vujičić</span> </span></b></span></b></span></b></span></div><div style="text-align: center;" data-mce-style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></p><p align="center" style="margin: 0px; text-align: center;" data-mce-style="margin: 0px; text-align: center;"><b><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';">Institut za fiziku, Zagreb</span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><b><i><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"></span></i></b></span></b></span></b></span></b></span></div><div style="text-align: center;" data-mce-style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><b><i><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></i></b></span></b></span></b></span></b></span></div><div style="text-align: center;" data-mce-style="text-align: center;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><b><i><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);">E-mail:</span> <span style="color: blue;" data-mce-style="color: blue;"><a href="mailto:natasav@ifs.hr" data-mce-href="mailto:natasav@ifs.hr">natasav@ifs.hr</a><span class="object"><span style="text-decoration: underline;" data-mce-style="text-decoration: underline;"></span></span></span></span></i></b><br></span></b></span></b></span></b></span></div><div style="text-align: left;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></span></b></span></b></span></div><div style="text-align: left;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">Razvoj ultrabrze znanosti započeo je još šezdesetih godina prošlog stoljeća, s otkrićem prvog pikosekundnog pulsnog lasera sa spregnutim modovima (eng. mode-locked). Razvojem tehnologije te otkrićem stabilnih femtosekundnih (fs) lasera koji emitiraju pulseve u subpikosekundnom području došlo je do novog preokreta u ultrabrzoj znanosti. Koncepti i metodologije svojstvene ultrabrzoj znanosti na uzbudljiv su način utjecali na razvoj kemije, biologije, fizike, ali i drugih područja istraživanja, kao što su znanost o materijalima, elektrotehnika i telekomunikacije.</span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></p><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">Ultrabrza optika omogućava čitav niz različitih aplikacija, koje se mogu svrstati u tri klase istraživanja, imajući na umu karakteristike ultrakratkih pulseva: </span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">1) korištenje ultrakratkih svjetlosnih pulseva trajanja 10-12-10-15 sekundi, s ciljem proučavanja ultrabrzih procesa u materijalima i kemijskim sustavima</span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">2) njihova upotreba u slučajevima kada je potrebno koncentrirati izuzetno visoke gustoće energije u malom volumenu</span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">3) spektralna širina i stabilnost takvih izvora elektromagnetskog zračenja.</span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></b></span></b></span></span><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></p><p style="text-align: justify; margin: 0px;" data-mce-style="text-align: justify; margin: 0px;"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">Primjenom femtosekundnih laserskih tehnika moguće je eksperimentalno ispitivati nelinearne procese u atomima, molekulama, plazmi, fizici kondenzirane materije kao i u nekim ranije nedostupnim oblicima materije. Mogućnost generiranja subfemtosekundnih pulseva pomaknula je granicu i vremensku rezoluciju eksperimenata prema novim istraživanjima elektronske dinamike. Primjena frekventnog češlja za precizna mjerenja i spektroskopiju, te napredak u nelinearnim i višedimenzionalnim optičkim tehnikama primjeri su korištenja spektralne širine i spektralne stabilnosti fs lasera. </span></b></p><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></span></span></b></span></b></span></b></span></div><div style="text-align: left;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></span></span></b></span></b></span></b></span></div><div style="text-align: left;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';">Cilj ovog predavanja je predstaviti samo dio laserskih tehnika koje se baziraju na navedenim svojstvima fs lasera i njihovoj primjeni u nelinearnoj optici, istraživanjima s frekventim češljem te vremenski razlučivoj spektroskopiji 2D i 3D materijala. Primjenom femtosekundnih lasera u istraživanju materijala niske dimenzionalnosti moguće je postići visoko vremensko i prostorno razlučivanje, čime se mogu povezati morfološka svojstva novih materijala s njihovim optoelektroničkim svojstvima.</span></b></span><br></span></b></span></b></span></b></span></div><div style="text-align: left;"><span style="font-family: 'times new roman', 'new york', times, serif;" data-mce-style="font-family: 'times new roman', 'new york', times, serif;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14pt; color: #993300;"><b><span lang="EN-GB" style="font-size: 16pt; color: rgb(85, 145, 60);" data-mce-style="font-size: 16pt; color: #55913c;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: rgb(0, 0, 0);"><b><span lang="EN-GB" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"><br></span></b></span></span></b></span></b></span></b></span></div><div>--</div><div><span name="x"></span>*************************<br>Nikša Krstulović, PhD<br>Research associate<br><div><br></div>Institute of Physics<br>Bijenicka 46<br>HR-10000 Zagreb, Croatia<br><div><br></div>Phone: 00385 1 4698 872<br> 00385 1 4698 851<br>Fax: 00385 1 4698 889<br><div><br></div>http://www.ifs.hr/<br>http://spectra.ifs.hr/<br>**************************<br><div><br></div><span name="x"></span></div></div></body></html>