Defect evolution and color center generation of high energy density femtosecond laser processed IIa diamond

• Published in: Nanotechnology and Precision Engineering Vol. 8; no. 4
• Main Authors: Dong, Bing, Sun, Qingqing, Wang, Jianshi, Song, Ying, Ren, Fei, Xu, Zongwei
• Format: Journal Article
• Language: English
• Published: 01.12.2025

This study investigated the effects of high-energy-density femtosecond laser pulses on diamond under different pulse counts, revealing the resulting structural changes and defect-formation mechanisms. Raman spectroscopy and low-temperature fluorescence spectroscopy were used to examine the surface d...