Investigation of UV picosecond laser damage threshold of anti-reflection coated windows

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00637056" target="_blank" >RIV/68378271:_____/25:00637056 - isvavai.cz</a>

Výsledek na webu

<a href="https://hdl.handle.net/11104/0370264" target="_blank" >https://hdl.handle.net/11104/0370264</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/jmmp9060180" target="_blank" >10.3390/jmmp9060180</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Investigation of UV picosecond laser damage threshold of anti-reflection coated windows

Popis výsledku v původním jazyce

Long-term stability and laser-induced damage resistance of optical components in the UV region are critical for enhancing their performance in UV high-power laser applications. This study evaluates the laser-induced damage threshold (LIDT) of commercially available UV optical windows with anti-reflective (AR) coating, produced through various coating techniques and designed for high-power lasers. A third-harmonic (343 nm) wavelength with good beam quality was generated in the picosecond regime to investigate the LIDT of optical components. The LIDT for each sample was measured under controlled conditions and compared based on their coating techniques. The sample coated with Al2O3/SiO2 through ion beam sputtering has the best LIDT value, of 0.6 J/cm2, among the tested samples, based on the hundred-thousand-pulses methodology. The damage threshold curve and the corresponding damage morphology are discussed in detail, and these findings provide insights into the durability and susceptibility of UV optics for advanced laser systems available in the market.

Název v anglickém jazyce

Investigation of UV picosecond laser damage threshold of anti-reflection coated windows

Popis výsledku anglicky

Long-term stability and laser-induced damage resistance of optical components in the UV region are critical for enhancing their performance in UV high-power laser applications. This study evaluates the laser-induced damage threshold (LIDT) of commercially available UV optical windows with anti-reflective (AR) coating, produced through various coating techniques and designed for high-power lasers. A third-harmonic (343 nm) wavelength with good beam quality was generated in the picosecond regime to investigate the LIDT of optical components. The LIDT for each sample was measured under controlled conditions and compared based on their coating techniques. The sample coated with Al2O3/SiO2 through ion beam sputtering has the best LIDT value, of 0.6 J/cm2, among the tested samples, based on the hundred-thousand-pulses methodology. The damage threshold curve and the corresponding damage morphology are discussed in detail, and these findings provide insights into the durability and susceptibility of UV optics for advanced laser systems available in the market.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

<a href="/cs/project/EH22_008%2F0004573" target="_blank" >EH22_008/0004573: Průlomové laserové technologie pro chytrou výrobu, vesmírné a biotechnologické aplikace</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Journal of Manufacturing and Materials Processing

ISSN

2504-4494

e-ISSN

2504-4494

Svazek periodika

9

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

10

Strana od-do

180

Kód UT WoS článku

001516713400001

EID výsledku v databázi Scopus

2-s2.0-105008967578