CONFERENCE PROCEEDINGS
Advanced Search
Home > Proceedings > Volume PC12939 > Article
Presentation
11 April 2024 Laser-material interaction of single-crystal and polycrystalline alumina
Poh Yin Chong, Gabriel R. Castillo, Javier E. Garay
Author Affiliations +
Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC1293905 (2024) https://doi.org/10.1117/12.3012401
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States
Abstract
Single-crystal alumina (sapphire) and transparent polycrystalline alumina are compelling candidates for laser processing in optical applications. In this study, single-shot laser irradiations (~10^15 W/cm2) on sapphire and polycrystalline alumina are investigated. A laser in the femtosecond regime (1030 nm, 490 fs) is used to examine the mechanisms of laser-induced damage on sapphire and polycrystalline alumina. The damage morphologies are characterized using a Scanning Electron Microscope (SEM), Atomic Force Microscopy (AFM), and optical profilometer. When irradiated with a single-shot ultrafast laser pulse, sapphire and polycrystalline alumina show dissimilar damage mechanisms, attributed mainly to the difference in the microstructure. In addition, a quantitative analysis of crater diameter, depth, and volume is conducted. The laser-induced damage thresholds of the materials are determined. The quantitative analysis provides insight into the scaling relationship between the laser parameters and damage morphologies for sapphire and polycrystal alumina.
Conference Presentation
© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Poh Yin Chong, Gabriel R. Castillo, and Javier E. Garay "Laser-material interaction of single-crystal and polycrystalline alumina", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC1293905 (11 April 2024); https://doi.org/10.1117/12.3012401
ACCESS THE FULL ARTICLE
ORGANIZATIONAL
Sign in with credentials provided by your organization.
INSTITUTIONAL
Select your institution to access the SPIE Digital Library.
SELECT YOUR INSTITUTION
PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
PERSONAL SIGN IN
No SPIE Account? Create one
PURCHASE THIS CONTENT
SUBSCRIBE TO DIGITAL LIBRARY
50 downloads per 1-year subscription
Members: $195
Non-members: $335 ADD TO CART
25 downloads per 1 - year subscription
Members: $145
Non-members: $250 ADD TO CART
PURCHASE SINGLE ARTICLE
Includes PDF, HTML & Video, when available
Members: $17.00
Non-members: $21.00 ADD TO CART
PROCEEDINGS
 PRESENTATION
WATCH
PRESENTATION SAVE TO MY LIBRARY
GET CITATION
Advertisement
Advertisement
KEYWORDS
Sapphire
Ultrafast phenomena
Laser irradiation
Laser processing
Laser induced damage
Laser microstructuring
Quantitative analysis
RELATED CONTENT
Subscribe to Digital Library
Receive Erratum Email Alert
Back to Top