Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal
We report, for the first time to our knowledge, a diode-pumped continuous-wave microchip Er,Yb:YMgB5O10 laser. The purpose of this work was to study the growth technique, spectroscopic properties and continuous-wave laser performance of Er3+,Yb3+:YMgB5O10 novel crystal. Absorption and luminescence s...
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| Format: | Article |
| Language: | English |
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Belarusian National Technical University
2019-12-01
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| Series: | Приборы и методы измерений |
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| Online Access: | https://pimi.bntu.by/jour/article/view/498 |
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| author | K. N. Gorbachenya V. E. Kisel R. V. Deineka A. S. Yasukevich N. V. Kuleshov V. V. Maltsev D. D. Mitina E. A. Volkova N. I. Leonyuk |
| author_facet | K. N. Gorbachenya V. E. Kisel R. V. Deineka A. S. Yasukevich N. V. Kuleshov V. V. Maltsev D. D. Mitina E. A. Volkova N. I. Leonyuk |
| author_sort | K. N. Gorbachenya |
| collection | DOAJ |
| description | We report, for the first time to our knowledge, a diode-pumped continuous-wave microchip Er,Yb:YMgB5O10 laser. The purpose of this work was to study the growth technique, spectroscopic properties and continuous-wave laser performance of Er3+,Yb3+:YMgB5O10 novel crystal. Absorption and luminescence spectra as well as kinetics of luminescence decay were studied. Ytterbium-erbium energy transfer efficiency was determined. The output characteristics (output power, slope efficiency, laser wavelength) of Er3+,Yb3+:YMgB5O10 laser were determined.Two intensive absorption bands with peaks centered at 937 nm and 976 nm were observed in the absorption spectra at the wavelength near 1 μm. The maximum value of absorption cross-section was determined to be 1.5·10–20 cm2 at 976 nm for polarization E//Ng . A number of narrow lines were observed in the absorption spectra in the 1425–1575 nm spectral range (transition 4I15/2 → 4I13/2 of erbium ions). The lifetime of the upper laser level 4I13/2 of Er3+ ions was determined to be 390 ± 20 μs. The ytterbium-erbium energy transfer efficiency for YMgB5O10 crystal with 2 at.% of Er3+ and 11 at.% for Yb3+ was close to 84 %. The maximal continuous-wave output power of 0.2 W with slope efficiency of 8 % regarding to absorbed pump power was realized at the wavelength of 1570 nm. With the improvement of cavity parameters the output laser performance of the Er,Yb:YMgB5O10 crystal can be further enhanced.Taking into account high thermal conductivity of ≈ 6.2 W·m–1·K–1, the Er,Yb:YMgB5O10 crystal can be considered as a good gain medium for 1.5 μm lasers for applications in laser rangefinder and LIDAR systems. |
| format | Article |
| id | doaj-art-d03dbab7d3444833b6b63e6bec81f2c4 |
| institution | Kabale University |
| issn | 2220-9506 2414-0473 |
| language | English |
| publishDate | 2019-12-01 |
| publisher | Belarusian National Technical University |
| record_format | Article |
| series | Приборы и методы измерений |
| spelling | doaj-art-d03dbab7d3444833b6b63e6bec81f2c42025-02-03T11:28:28ZengBelarusian National Technical UniversityПриборы и методы измерений2220-95062414-04732019-12-0110430130710.21122/2220-9506-2019-10-4-301-307368Continuous-wave Laser on Er,Yb-Codoped Pentaborate CrystalK. N. Gorbachenya0V. E. Kisel1R. V. Deineka2A. S. Yasukevich3N. V. Kuleshov4V. V. Maltsev5D. D. Mitina6E. A. Volkova7N. I. Leonyuk8Belarusian National Technical UniversityBelarusian National Technical UniversityBelarusian National Technical UniversityBelarusian National Technical UniversityBelarusian National Technical UniversityMoscow State UniversityMoscow State UniversityMoscow State UniversityMoscow State UniversityWe report, for the first time to our knowledge, a diode-pumped continuous-wave microchip Er,Yb:YMgB5O10 laser. The purpose of this work was to study the growth technique, spectroscopic properties and continuous-wave laser performance of Er3+,Yb3+:YMgB5O10 novel crystal. Absorption and luminescence spectra as well as kinetics of luminescence decay were studied. Ytterbium-erbium energy transfer efficiency was determined. The output characteristics (output power, slope efficiency, laser wavelength) of Er3+,Yb3+:YMgB5O10 laser were determined.Two intensive absorption bands with peaks centered at 937 nm and 976 nm were observed in the absorption spectra at the wavelength near 1 μm. The maximum value of absorption cross-section was determined to be 1.5·10–20 cm2 at 976 nm for polarization E//Ng . A number of narrow lines were observed in the absorption spectra in the 1425–1575 nm spectral range (transition 4I15/2 → 4I13/2 of erbium ions). The lifetime of the upper laser level 4I13/2 of Er3+ ions was determined to be 390 ± 20 μs. The ytterbium-erbium energy transfer efficiency for YMgB5O10 crystal with 2 at.% of Er3+ and 11 at.% for Yb3+ was close to 84 %. The maximal continuous-wave output power of 0.2 W with slope efficiency of 8 % regarding to absorbed pump power was realized at the wavelength of 1570 nm. With the improvement of cavity parameters the output laser performance of the Er,Yb:YMgB5O10 crystal can be further enhanced.Taking into account high thermal conductivity of ≈ 6.2 W·m–1·K–1, the Er,Yb:YMgB5O10 crystal can be considered as a good gain medium for 1.5 μm lasers for applications in laser rangefinder and LIDAR systems.https://pimi.bntu.by/jour/article/view/498erbiumytterbiumborate crystalsspectroscopydiode-pumpedcontinuous-wave laser operation |
| spellingShingle | K. N. Gorbachenya V. E. Kisel R. V. Deineka A. S. Yasukevich N. V. Kuleshov V. V. Maltsev D. D. Mitina E. A. Volkova N. I. Leonyuk Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal Приборы и методы измерений erbium ytterbium borate crystals spectroscopy diode-pumped continuous-wave laser operation |
| title | Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal |
| title_full | Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal |
| title_fullStr | Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal |
| title_full_unstemmed | Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal |
| title_short | Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal |
| title_sort | continuous wave laser on er yb codoped pentaborate crystal |
| topic | erbium ytterbium borate crystals spectroscopy diode-pumped continuous-wave laser operation |
| url | https://pimi.bntu.by/jour/article/view/498 |
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