Widely real-time tunable organic solid-state lasing emitters (Conference Presentation)

Jaroslaw Mysliwiec; Martyna Durko; Anna Popczyk; Gilles Ulrich; Julien Massue; Yann Bretonniere; Chantal Andraud

doi:10.1117/12.2631717

3 October 2022 Widely real-time tunable organic solid-state lasing emitters (Conference Presentation)

Jaroslaw Mysliwiec, Martyna Durko, Anna Popczyk, Gilles Ulrich, Julien Massue, Yann Bretonniere, Chantal Andraud

Proceedings Volume PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI; PC122080O (2022) https://doi.org/10.1117/12.2631717
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

Tunability is an important aspect of lasers. Nowadays there are many possible ways to achieve this advantageous property; however, dynamic tuning is limited. Red to InfraRed emissive dyes allow a direct visualization of molecular interactions, through deep tissue penetration, along with minimal tissue damage. In our studies we use simple systems based on a single dye-doped polymeric thin films for distributed feedback (DFB) and random lasing (RL) investigations. As active compounds we have applyed novel push-pull luminescent diphenylaminofluorene and tiophene derivatives, with different acceptor groups. Integration of such luminescent dyes with transparent polymeric medium allows fabricating real-time lasing tunability in the visible region and first biological window (650-950 nm). The observed spectral tuning of 150 nm is a groundbreaking value obtained in a single-dye system. Also Excited-State Intramolecular Proton Transfer (ESIPT) compounds, have attracted our considerable attention, due to their unique optical properties. In this contribution we show a novel bis-trimethylsilyl substituted 2-(2’hydroxyphenyl)benzothiazole (HBT) derivatives functionalized with a trifluoromethyl - a strong electron-withdrawing group. Such structure enabled real-time red-green-blue (RGB) switching of emission, both in solution and solid-state, providing white laser light emission. We show strong dependence on environment polarity, as well as Aggregation-Induced Emission Enhancement (AIEE) properties, and successful implementation of ESIPT molecules in DFB lasing, both in solution and solid-state.

Conference Presentation

Citation Download Citation

Jaroslaw Mysliwiec, Martyna Durko, Anna Popczyk, Gilles Ulrich, Julien Massue, Yann Bretonniere, and Chantal Andraud "Widely real-time tunable organic solid-state lasing emitters (Conference Presentation)", Proc. SPIE PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI, PC122080O (3 October 2022); https://doi.org/10.1117/12.2631717

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KEYWORDS

Solid state lasers

Solid state physics

Polymer thin films

Polymers

Tissues

Random lasers

Switching

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