Eu-doped aluminosilicate glass

Data lifetime 2×10⁷ years

Local modifications written by single laser pulses remain stable under temperatures up to 970 K and intense UV light of 100 kW/cm², with broadly tunable photoluminescence across the visible region.

Wang, Zhuo · Zhang, Bo · Tan, Dezhi · Qiu, Jianrong

Opto-Electronic Advances 2023

Specifications

耐紫外光功率密度
{'zh': '100', 'en': ''} kW/cm²
发射半高宽
{'zh': '190', 'en': ''} nm

Advantages

Optical data storage lifetime 2×10⁷ years

Withstands temperature up to 970 K