Simulation of femtosecond laser induced electron excitation in a Multi-Layer Dielectric (MLD) grating

Simin Zhang; Joseph Smith; Emily Dalton; Aaron Davenport; Carmen S. Menoni; Vitaly E. Gruzdev; Enam A. Chowdhury

doi:10.1117/12.2597749

12 October 2021 Simulation of femtosecond laser induced electron excitation in a Multi-Layer Dielectric (MLD) grating

Simin Zhang, Joseph Smith, Emily Dalton, Aaron Davenport, Carmen S. Menoni, Vitaly E. Gruzdev, Enam A. Chowdhury

Proceedings Volume 11910, Laser-Induced Damage in Optical Materials 2021; 119101H (2021) https://doi.org/10.1117/12.2597749
Event: SPIE Laser Damage, 2021, Online Only

Conference Poster

Abstract

The pulse compression grating (PCG) is one of the most critical components of a high power chirped pulse amplification laser system to achieve the shortest pulse duration. Compared to metal gratings, a multi-layer dielectric (MLD) grating is a possible solution to improve the laser induced damage threshold (LIDT) of PCGs. Our previous work reported simulations of electron excitation dynamics in the interaction of MLD mirrors and femtosecond pulses (<100 fs). Here we present the study of the interaction of a MLD grating and a 50-fs pulse using a 2D dynamic simulation modeling both the E-field enhancement and transient material responses.

Conference Presentation

Citation Download Citation

Simin Zhang, Joseph Smith, Emily Dalton, Aaron Davenport, Carmen S. Menoni, Vitaly E. Gruzdev, and Enam A. Chowdhury "Simulation of femtosecond laser induced electron excitation in a Multi-Layer Dielectric (MLD) grating", Proc. SPIE 11910, Laser-Induced Damage in Optical Materials 2021, 119101H (12 October 2021); https://doi.org/10.1117/12.2597749

ACCESS THE FULL ARTICLE

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