Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator
We present an EO Q-switched Tm:YAP laser constructed with a periodically poled Mg-doped congruent lithium niobate (PPMgCLN) Bragg modulator. A 2-mm-thick PPMgCLN modulator was adopted, and the internal stress generated in the electric poling process was released by annealing. The peak stress-induced...
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2020-01-01
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| Online Access: | https://ieeexplore.ieee.org/document/9180317/ |
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| author | Shou-Tai Lin Zhao-Ren Qiu Cheng-Po Chen |
| author_facet | Shou-Tai Lin Zhao-Ren Qiu Cheng-Po Chen |
| author_sort | Shou-Tai Lin |
| collection | DOAJ |
| description | We present an EO Q-switched Tm:YAP laser constructed with a periodically poled Mg-doped congruent lithium niobate (PPMgCLN) Bragg modulator. A 2-mm-thick PPMgCLN modulator was adopted, and the internal stress generated in the electric poling process was released by annealing. The peak stress-induced refractive index variance for e-wave was deduced to be 2.29 × 10<sup>−5</sup> at 1064 nm. When the absorbed pump power and repetition rate were 13.4 W and 1 kHz, respectively, the laser had a Q-switched pulse energy of 2 mJ, a pulse duration of 60 ns, and a peak power of 33.3 kW. By varying the reflection of the output coupler, output wavelengths of between approximately 1985 and approximately 1940 nm can be selected, making this laser a potential tool for pumping mid-IR sources and biomedical applications. |
| format | Article |
| id | doaj-art-b3a840737f154d2fb51cb9669f67e072 |
| institution | DOAJ |
| issn | 1943-0655 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-b3a840737f154d2fb51cb9669f67e0722025-08-20T03:15:50ZengIEEEIEEE Photonics Journal1943-06552020-01-011251910.1109/JPHOT.2020.30200749180317Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg ModulatorShou-Tai Lin0https://orcid.org/0000-0003-3327-107XZhao-Ren Qiu1Cheng-Po Chen2Department of Photonics, Feng Chia University, Taichung, TaiwanDepartment of Photonics, Feng Chia University, Taichung, TaiwanDepartment of Photonics, Feng Chia University, Taichung, TaiwanWe present an EO Q-switched Tm:YAP laser constructed with a periodically poled Mg-doped congruent lithium niobate (PPMgCLN) Bragg modulator. A 2-mm-thick PPMgCLN modulator was adopted, and the internal stress generated in the electric poling process was released by annealing. The peak stress-induced refractive index variance for e-wave was deduced to be 2.29 × 10<sup>−5</sup> at 1064 nm. When the absorbed pump power and repetition rate were 13.4 W and 1 kHz, respectively, the laser had a Q-switched pulse energy of 2 mJ, a pulse duration of 60 ns, and a peak power of 33.3 kW. By varying the reflection of the output coupler, output wavelengths of between approximately 1985 and approximately 1940 nm can be selected, making this laser a potential tool for pumping mid-IR sources and biomedical applications.https://ieeexplore.ieee.org/document/9180317/Diode-pumped lasersQ-switched lasers |
| spellingShingle | Shou-Tai Lin Zhao-Ren Qiu Cheng-Po Chen Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator IEEE Photonics Journal Diode-pumped lasers Q-switched lasers |
| title | Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator |
| title_full | Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator |
| title_fullStr | Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator |
| title_full_unstemmed | Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator |
| title_short | Actively Q-Switched Tm:YAP Laser Constructed Using an Electro-Optic Periodically Poled Lithium Niobate Bragg Modulator |
| title_sort | actively q switched tm yap laser constructed using an electro optic periodically poled lithium niobate bragg modulator |
| topic | Diode-pumped lasers Q-switched lasers |
| url | https://ieeexplore.ieee.org/document/9180317/ |
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