Academic Journal
Tm,Ho:Ca(Gd,Lu)AlO4 crystals: Polarized spectroscopy and laser operation
| العنوان: | Tm,Ho:Ca(Gd,Lu)AlO4 crystals: Polarized spectroscopy and laser operation |
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| المؤلفون: | Pan, Zhongben, Loiko, Pavel, Serres, Josep Maria, Yuan, Hualei, Wang, Yicheng, Wang, Li, Zhao, Yongguang, Solé, Rosa Maria, Aguiló, Magdalena, Díaz, Francesc, Camy, Patrice, Chen, Weidong, Griebner, Uwe, Petrov, Valentin, Mateos, Xavier |
| المساهمون: | Max-Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI), School of Information Science and Engineering Jinan, Shandong University, Centre de recherche sur les Ions, les MAtériaux et la Photonique (CIMAP - UMR 6252), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Institut Rayonnement Matière de Saclay (DRF) (IRAMIS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche sur les Matériaux Avancés (IRMA), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université de Rouen Normandie (UNIROUEN), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Fisica I Cristal⋅lografia de Materials I Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili, Eurecat - Centro Tecnológico de Catalunya, China Academy of Engineering Physics (CAEP), Jiangsu Normal University (JSNU), Chinese Academy of Sciences Beijing (CAS) |
| المصدر: | ISSN: 0022-2313. |
| بيانات النشر: | HAL CCSD Elsevier |
| سنة النشر: | 2023 |
| مصطلحات موضوعية: | Aluminate crystals, Holmium ions, Absorption, Stimulated emission, Luminescence decay, Laser operation, [PHYS]Physics [physics] |
| الوصف: | International audience ; Tm3+,Ho3+-codoped and compositionally “mixed” disordered Ca(Ga,Lu)AlO4 aluminate crystals are promising materials for ultrashort pulse generation above 2 μm. Their polarized spectroscopic properties are studied and the effect of Lu3+ codoping on the inhomogeneous spectral broadening is verified. The peak stimulated-emission cross-section for the 5I7 → 5I8 Ho3+ transition is 1.05 × 10−20 cm2 at 2000 nm for π-polarization. The Tm3+ ↔ Ho3+ energy-transfer parameters are P28 = 1.42 and P71 = 0.090 [10−22 cm3μs−1] indicating a direct transfer with a thermal equilibrium time of 4.35 ms. The effective gain spectra for the codoped crystal are derived. For σ-polarization, the gain bandwidth at ∼2.04 μm is about 100 nm; particularly for this light polarization, Lu3+ codoping induces a noticeable red-shift of the emission spectra further beyond 2 μm. Using absorption studies at 12 K, the Stark splitting of the Tm3+ and Ho3+ multiplets is resolved. A laser-pumped Tm,Ho:Ca(Ga,Lu)AlO4 laser generated a maximum output power of 763 mW at 2078.6 nm with a slope efficiency of 26.4% and π-polarized emission. A continuous wavelength tuning between 1887.7 and 2127 nm (tuning range: 239.3 nm) was achieved for σ-polarization. Diode-pumped operation of a-cut and c-cut crystals was also studied. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| DOI: | 10.1016/j.jlumin.2022.119638 |
| الاتاحة: | https://hal.science/hal-04211105 https://hal.science/hal-04211105v1/document https://hal.science/hal-04211105v1/file/1-s2.0-S0022231322009139-main.pdf https://doi.org/10.1016/j.jlumin.2022.119638 |
| Rights: | http://creativecommons.org/licenses/by-nc-nd/ ; info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.CCBC7F74 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1016/j.jlumin.2022.119638 |
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