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A Palette of Efficient and Stable Far-Red and NIR Dye Lasers

Dpto. Química Física, Universidad del País Vasco (UPV/EHU), Aptdo. 644, 48080 Bilbao, Spain
Dpto. Sistemas de Baja Dimensionalidad, Superficies y Materia Condensada, Instituto Química-Física “Rocasolano”, IQFR-CSIC, Serrano 119, 28006 Madrid, Spain
Dpto. Química Orgánica, Universidad Complutense, Ciudad Universitaria s/n, 28006 Madrid, Spain
Dpto. Química, Universidad de Guanajuato, Noria Alta S/N, Guanajuato 36050, Mexico
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(18), 6206;
Received: 17 August 2020 / Revised: 3 September 2020 / Accepted: 4 September 2020 / Published: 7 September 2020
(This article belongs to the Special Issue 10th Anniversary of Applied Sciences: Invited Papers in Materials)
The disposal of long-wavelength-emitting sources is of paramount relevance in technology and biophotonics due to the low interference with the surroundings that these kinds of far-red and near-infrared radiations hold. As a result of the continued efforts carried out during the last few years by our research group to design new boron-dipyrromethene (BODIPY) dyes with improved photonic performance, two approaches were tested to develop a new generation of organic dyes able to display efficient and long-lasting laser emission in both target spectral regions. On the one hand, the annulation of aromatic benzofuran at the dipyrrin backbone leads to conformationally restricted dyes yielding photostable and bright laser emission beyond 600 nm at the far-red spectral region. On the other hand, a more pronounced shift to longer wavelengths reaching 725 nm at the near-infrared region is feasible, while keeping a reasonably high laser efficiency and tolerance to prolonged and intense pumping, based on aza-BODIPYs bearing peripheral aryl rings. These two complementary strategies yield a library of laser-emitting compounds comprising the 600–725 nm spectral region. Moreover, their laser performance is better than the commercially available dye lasers active in this spectral window. View Full-Text
Keywords: lasers; organic dyes; red–NIR emission; fluorescence; photostability lasers; organic dyes; red–NIR emission; fluorescence; photostability
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MDPI and ACS Style

Avellanal-Zaballa, E.; Gartzia-Rivero, L.; Bañuelos, J.; García-Moreno, I.; R. Agarrabeitia, A.; Peña-Cabrera, E.; Ortiz, M.J. A Palette of Efficient and Stable Far-Red and NIR Dye Lasers. Appl. Sci. 2020, 10, 6206.

AMA Style

Avellanal-Zaballa E, Gartzia-Rivero L, Bañuelos J, García-Moreno I, R. Agarrabeitia A, Peña-Cabrera E, Ortiz MJ. A Palette of Efficient and Stable Far-Red and NIR Dye Lasers. Applied Sciences. 2020; 10(18):6206.

Chicago/Turabian Style

Avellanal-Zaballa, Edurne, Leire Gartzia-Rivero, Jorge Bañuelos, Inmaculada García-Moreno, Antonia R. Agarrabeitia, Eduardo Peña-Cabrera, and Maria J. Ortiz 2020. "A Palette of Efficient and Stable Far-Red and NIR Dye Lasers" Applied Sciences 10, no. 18: 6206.

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