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Bondar MV, Faryadras S, Munera N, Chang HJ, Uddin M, Belfield KD, Kachkovsky OD, Van Stryland EW, Hagan DJ. New Two-Photon Absorbing Squaraine Derivative with Efficient Near-Infrared Fluorescence, Superluminescence, and High Photostability. J Phys Chem B 2022; 126:3897-3907. [PMID: 35584210 DOI: 10.1021/acs.jpcb.2c01288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The nature of linear photophysical and nonlinear optical properties of a new squaraine derivative 2,4-bis[4-(azetidyl)-2-hydroxyphenyl]squaraine (1) with efficient near-infrared (NIR) emission was comprehensively analyzed based on spectroscopic, photochemical, and two-photon absorption (2PA) measurements, along with quantum chemical analysis. The steady-state absorption, fluorescence, and excitation anisotropy spectra of 1 and its fluorescence emission lifetimes revealed the multiple aspects of the electronic structure of 1, including the relative orientations of the main transition dipoles, effective rotational volumes in solvents of different polarities, and a maximum molar extinction of 1.35 × 10-5 M-1·cm-1, which is unusually small for similar symmetric squaraines. The degenerate 2PA spectrum of 1 was obtained over a broad spectral range under femtosecond excitation, using standard open-aperture Z-scan and two-photon induced fluorescence methods, revealing maximum 2PA cross sections of ∼400 GM. Squaraine 1 exhibited efficient superluminescence emission in the polar solvent (dichloromethane) at room temperature under femtosecond pumping conditions. Quantum chemical analysis of the electronic structure of 1 was performed using the DFT/TD-DFT level of theory and found to be in good agreement with experimental data. The new squaraine derivative 1 displayed high fluorescence quantum yield, efficient NIR superluminescence, large 2PA cross sections, and high photostability with a photodecomposition quantum yield ∼4 × 10-6, suggesting its potential for applications in two-photon fluorescent bioimaging and lasing.
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Affiliation(s)
- Mykhailo V Bondar
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States.,Institute of Physics NASU, Prospect Nauki, 46, Kyiv-28 03028, Ukraine
| | - Sanaz Faryadras
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States
| | - Natalia Munera
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States
| | - Hao-Jung Chang
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States
| | - Mehrun Uddin
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, University Heights, Newark, New Jersey 07102, United States
| | - Kevin D Belfield
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, University Heights, Newark, New Jersey 07102, United States
| | - Olexiy D Kachkovsky
- V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, Murmanskaya Street, 1, Kyiv 02660, Ukraine
| | - Eric W Van Stryland
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States
| | - David J Hagan
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816, United States
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Chang HJ, Bondar MV, Munera N, David S, Maury O, Berginc G, Le Guennic B, Jacquemin D, Andraud C, Hagan DJ, Van Stryland EW. Femtosecond Spectroscopy and Nonlinear Optical Properties of aza-BODIPY Derivatives in Solution. Chemistry 2022; 28:e202104072. [PMID: 35157336 DOI: 10.1002/chem.202104072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Indexed: 01/22/2023]
Abstract
The fast relaxation processes in the excited electronic states of functionalized aza-boron-dipyrromethene (aza-BODIPY) derivatives (1-4) were investigated in liquid media at room temperature, including the linear photophysical, photochemical, and nonlinear optical (NLO) properties. Optical gain was revealed for nonfluorescent derivatives 3 and 4 in the near infrared (NIR) spectral range under femtosecond excitation. The values of two-photon absorption (2PA) and excited-state absorption (ESA) cross-sections were obtained for 1-4 in dichloromethane using femtosecond Z-scans, and the role of bromine substituents in the molecular structures of 2 and 4 is discussed. The nature of the excited states involved in electronic transitions of these dyes was investigated using quantum-chemical TD-DFT calculations, and the obtained spectral parameters are in reasonable agreement with the experimental data. Significant 2PA (maxima cross-sections ∼2000 GM), and large ESA cross-sections ∼10-20 m2 of these new aza-BODIPY derivatives 1-4 along with their measured high photostability reveal their potential for photonic applications in general and optical limiting in particular.
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Affiliation(s)
- Hao-Jung Chang
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
| | - Mykhailo V Bondar
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA.,Institute of Physics NASU, Prospect Nauki, 46, Kyiv-28, 03028, Ukraine
| | - Natalia Munera
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
| | - Sylvain David
- Univ. Lyon, ENS Lyon, CNRS UMR 5182, Laboratoire de Chimie, 46 Allée d'Italie, 69364, Lyon, France
| | - Olivier Maury
- Univ. Lyon, ENS Lyon, CNRS UMR 5182, Laboratoire de Chimie, 46 Allée d'Italie, 69364, Lyon, France
| | - Gerard Berginc
- Thales LAS France, 2 Avenue Gay Lussac, 78990, Élancourt, France
| | - Boris Le Guennic
- CNRS, Institut des Sciences Chimiques de Rennes UMR 6266, Université Rennes, 35000, Rennes, France
| | | | - Chantal Andraud
- Univ. Lyon, ENS Lyon, CNRS UMR 5182, Laboratoire de Chimie, 46 Allée d'Italie, 69364, Lyon, France
| | - David J Hagan
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
| | - Eric W Van Stryland
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
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Munera N, Trujillo C, Garcia-Sucerquia J. High-speed measurement of mechanical micro-deformations with an extended phase range using dual-wavelength digital holographic interferometry. Appl Opt 2022; 61:B279-B286. [PMID: 35201150 DOI: 10.1364/ao.443857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 12/12/2021] [Indexed: 06/14/2023]
Abstract
The implementation of a digital holographic interferometry setup for high-speed micro-deformation measurement is presented. This proposal uses a dual-wavelength recording strategy to reconstruct micro-deformations up to 4.85 µm with no phase wrapping. The numerical processing required to recover the phase maps containing the information of micro-deformations is carried out in a general-purpose computing on graphics processing unit environment to boost its performance. The method completely processes recorded holograms of 1024×1024pixels in 48 ms, i.e., 21 frames per second (FPS) for a single-wavelength acquisition and 96 ms or 11 FPS for dual-wavelength recordings. The method is experimentally evaluated measuring deformations ranging from 0.033 µm to 4.85 µm with no need for phase unwrapping algorithms for an 8 cm diameter aluminum plate in a 110cm2 field of view.
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Tofighi S, Munera N, Reichert M, Hagan DJ, Van Stryland EW. Transient mid-IR nonlinear refraction in air. Opt Express 2021; 29:10863-10878. [PMID: 33820210 DOI: 10.1364/oe.414495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
We use the polarization-sensitive, time-resolved Beam-Deflection technique to measure the nonlinear refraction of air, exciting in both the near and mid-IR and probing in the mid-IR. This gives us the first measurements for air using both excitation and probe in the mid-IR, and we find no dispersion of the bound-electronic nonlinear refractive index, n2,el(λp;λe), assuming, as has been shown earlier, that the nuclear rotational nonlinear refraction is nearly dispersionless. From these data, we can model the pulsewidth dependence of the effective nonlinear refractive index, n2,eff, i.e., as would be measured by a single beam. Interestingly, n2,eff is maximized for a pulsewidth of approximately 0.5 ps. The position of this maximum is nearly independent of pressure while its magnitude decreases with increasing pressure and temperature. From the measurements and modeling, we predict the nonlinear refraction in the atmosphere at different altitudes.
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Allen TG, Benis S, Munera N, Zhang J, Dai S, Li T, Jia B, Wang W, Barlow S, Hagan DJ, Van Stryland EW, Zhan X, Perry JW, Marder SR. Highly Conjugated, Fused-Ring, Quadrupolar Organic Chromophores with Large Two-Photon Absorption Cross-Sections in the Near-Infrared. J Phys Chem A 2020; 124:4367-4378. [DOI: 10.1021/acs.jpca.0c02572] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Taylor G. Allen
- School of Chemistry and Biochemistry, Center for Organic Photonics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - Sepehr Benis
- CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816-2700, United States
| | - Natalia Munera
- CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816-2700, United States
| | - Junxiang Zhang
- School of Chemistry and Biochemistry, Center for Organic Photonics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - Shuixing Dai
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People′s Republic of China
| | - Tengfei Li
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People′s Republic of China
| | - Boyu Jia
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People′s Republic of China
| | - Wei Wang
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People′s Republic of China
| | - Stephen Barlow
- School of Chemistry and Biochemistry, Center for Organic Photonics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - David J. Hagan
- CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816-2700, United States
| | - Eric W. Van Stryland
- CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816-2700, United States
| | - Xiaowei Zhan
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People′s Republic of China
| | - Joseph W. Perry
- School of Chemistry and Biochemistry, Center for Organic Photonics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - Seth R. Marder
- School of Chemistry and Biochemistry, Center for Organic Photonics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
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