Reduction of thermal effects in a 2.7-µm Er:Y2O3 ceramic laser with annular pumping Article Swipe
Bin Chen
,
Tianyi Du
,
Jun Wang
,
Qinggang Gao
,
Ning Zhang
,
Changsheng Zheng
,
Jifei Dong
,
Jingjing Zhou
,
huiyun zhang
,
yuping zhang
,
Yongguang Zhao
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1364/oe.480430
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1364/oe.480430
Reduction of thermal effects is a challenging aspect for power scaling of 2.7-µm bulk Er-lasers due to the large quantum defect when pumping at ∼ 0.97 µm. Here, we demonstrate that thermal effects in an Er:Y 2 O 3 ceramic laser can be significantly reduced pumping by an annular beam, thus improving the continuous-wave (CW) laser performance in the 3-µm spectral range. The excitation conditions of the TEM 00 mode were determined theoretically by taking into account the propagation characteristics of the annular pump beam. For a comparison, the temperature and stress distributions are at first theoretically studied with three different pump configurations. In the experiment, output power of the Er:Y 2 O 3 ceramic laser improved by ∼ 60% by changing the pump beam from coventional quasi-top-hat to a designed annular one. This work, as a proof-of-principle study, indicates the potential of power scaling of the 2.7-µm bulk Er-lasers pumping with an annular beam.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1364/oe.480430
- OA Status
- gold
- Cited By
- 1
- References
- 31
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4313250525
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4313250525Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1364/oe.480430Digital Object Identifier
- Title
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Reduction of thermal effects in a 2.7-µm Er:Y2O3 ceramic laser with annular pumpingWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-12-27Full publication date if available
- Authors
-
Bin Chen, Tianyi Du, Jun Wang, Qinggang Gao, Ning Zhang, Changsheng Zheng, Jifei Dong, Jingjing Zhou, huiyun zhang, yuping zhang, Yongguang ZhaoList of authors in order
- Landing page
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https://doi.org/10.1364/oe.480430Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1364/oe.480430Direct OA link when available
- Concepts
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Laser, Ceramic, Optics, Materials science, Laser beam quality, Beam (structure), Laser pumping, Scaling, Thermal, Laser power scaling, Physics, Laser beams, Thermodynamics, Geometry, Composite material, MathematicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2024: 1Per-year citation counts (last 5 years)
- References (count)
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31Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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