White lasing and white fluorescence from the simplified two‐dyes organic system

A Szukalska, A Szukalski, M Adaszynski… - Advanced Optical …, 2023 - Wiley Online Library
Advanced Optical Materials, 2023Wiley Online Library
The invention of lasers, which took place a few decades ago, marks a milestone in the past,
present, and future technologies in optoelectronics. In particular, the colorful and white tones
produced by lasers are appealing from a utilization standpoint and align well with human
eye perception. In this paper, an idea for a white laser based on the attractive perylene
family of luminescent dyes is introduced. This concept provides multicolor emission and
brilliant photostability upon external optical pumping. The main advantage of the approach …
Abstract
The invention of lasers, which took place a few decades ago, marks a milestone in the past, present, and future technologies in optoelectronics. In particular, the colorful and white tones produced by lasers are appealing from a utilization standpoint and align well with human eye perception. In this paper, an idea for a white laser based on the attractive perylene family of luminescent dyes is introduced. This concept provides multicolor emission and brilliant photostability upon external optical pumping. The main advantage of the approach is the construction of a fully organic and two‐component white laser. The versatility of the system is demonstrated by assembling multicolor, tunable, and efficient fluorescent systems using a liquid crystalline matrix, which is supported by comprehensive experimental studies. Additionally, by utilizing laser spectroscopy techniques, it is able to narrow the emission bandwidth and enhance the light in a typical synthetic polymeric matrix. This leads to the realization of white lasing emission with just two luminescent dyes: perylene blue and perylene orange.
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