Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser
Compact actively Q-switched diode-pumped lasers based on Yb3+-materials are of practical importance for wide range of scientific, industrial and biomedical applications. The aim of this work was to study the Yb3+:LuAlO3 actively Q-switched laser.One of the most promising crystalline hosts for rare-e...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Belarusian National Technical University
2019-06-01
|
| Series: | Приборы и методы измерений |
| Subjects: | |
| Online Access: | https://pimi.bntu.by/jour/article/view/435 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832557354906812416 |
|---|---|
| author | A. Rudenkov V. Kisel A. Yasukevich K. Hovhannesyan A. Petrosyan N. Kuleshov |
| author_facet | A. Rudenkov V. Kisel A. Yasukevich K. Hovhannesyan A. Petrosyan N. Kuleshov |
| author_sort | A. Rudenkov |
| collection | DOAJ |
| description | Compact actively Q-switched diode-pumped lasers based on Yb3+-materials are of practical importance for wide range of scientific, industrial and biomedical applications. The aim of this work was to study the Yb3+:LuAlO3 actively Q-switched laser.One of the most promising crystalline hosts for rare-earth ions are Perovskite-like aluminate crystals. Yttrium aluminate crystal YAlO3 (YAP) is a well-known host with good thermal and mechanical properties (thermal conductivity for undoped crystal is about 11 W/m·K and about 8 W/m·K for Yb(5 at.%):YAP) similar to those of YAG. The reduction in the thermal conductivity of doped laser crystal in comparison with host materials is small in the case of ions with close atomic mass and ionic radii such as for Yb3+ and Lu3+. This feature makes LuAlO3 (LuAP) more promising host crystal for doping by Yb3+ ions in contrast to YAP especially for high output power laser systems. In our work, for the first time to the best of our knowledge actively Q-switching laser operation of Yb3+:LuAP single crystal was demonstrated. The maximum average output power of 4.9 W at 50 kHz pulse repetition frequency (PRF) with opt.-to-opt. efficiency of 21 % was obtained with 30 % OC transmittance. Output power as high as 3.3 W with 333 µJ-laser pulses with duration of about 11.5 ns was demonstrated at 10 kHz PRF the corresponding pulse peak power was 29 kW. 97 µJ second harmonic pulses obtained with 29 % conversion efficiency at 10 kHz PRF.Performed investigations show high potential of Yb3+:LuAP crystals as active elements of compact diode pumped actively Q-switched lasers due to high stimulated emission cross-section (≈ 3.74·10-20 cm2) at 999.6 nm wavelength and significant reduction of heat load on the active element when pumping around 980 nm and generation around 999 nm. |
| format | Article |
| id | doaj-art-19981ea3f35c45a9aff1ed21c4328735 |
| institution | Kabale University |
| issn | 2220-9506 2414-0473 |
| language | English |
| publishDate | 2019-06-01 |
| publisher | Belarusian National Technical University |
| record_format | Article |
| series | Приборы и методы измерений |
| spelling | doaj-art-19981ea3f35c45a9aff1ed21c43287352025-02-03T05:16:49ZengBelarusian National Technical UniversityПриборы и методы измерений2220-95062414-04732019-06-0110211912710.21122/2220-9506-2019-10-2-119-127345Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy LaserA. Rudenkov0V. Kisel1A. Yasukevich2K. Hovhannesyan3A. Petrosyan4N. Kuleshov5Belarusian National Technical UniversityBelarusian National Technical UniversityBelarusian National Technical UniversityInstitute for Physical Research, National Academy of Sciences of ArmeniaInstitute for Physical Research, National Academy of Sciences of ArmeniaBelarusian National Technical UniversityCompact actively Q-switched diode-pumped lasers based on Yb3+-materials are of practical importance for wide range of scientific, industrial and biomedical applications. The aim of this work was to study the Yb3+:LuAlO3 actively Q-switched laser.One of the most promising crystalline hosts for rare-earth ions are Perovskite-like aluminate crystals. Yttrium aluminate crystal YAlO3 (YAP) is a well-known host with good thermal and mechanical properties (thermal conductivity for undoped crystal is about 11 W/m·K and about 8 W/m·K for Yb(5 at.%):YAP) similar to those of YAG. The reduction in the thermal conductivity of doped laser crystal in comparison with host materials is small in the case of ions with close atomic mass and ionic radii such as for Yb3+ and Lu3+. This feature makes LuAlO3 (LuAP) more promising host crystal for doping by Yb3+ ions in contrast to YAP especially for high output power laser systems. In our work, for the first time to the best of our knowledge actively Q-switching laser operation of Yb3+:LuAP single crystal was demonstrated. The maximum average output power of 4.9 W at 50 kHz pulse repetition frequency (PRF) with opt.-to-opt. efficiency of 21 % was obtained with 30 % OC transmittance. Output power as high as 3.3 W with 333 µJ-laser pulses with duration of about 11.5 ns was demonstrated at 10 kHz PRF the corresponding pulse peak power was 29 kW. 97 µJ second harmonic pulses obtained with 29 % conversion efficiency at 10 kHz PRF.Performed investigations show high potential of Yb3+:LuAP crystals as active elements of compact diode pumped actively Q-switched lasers due to high stimulated emission cross-section (≈ 3.74·10-20 cm2) at 999.6 nm wavelength and significant reduction of heat load on the active element when pumping around 980 nm and generation around 999 nm.https://pimi.bntu.by/jour/article/view/435q-switched laserytterbium ionsdiode pumpinglutetium aluminate crystalssecond harmonic generation |
| spellingShingle | A. Rudenkov V. Kisel A. Yasukevich K. Hovhannesyan A. Petrosyan N. Kuleshov Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser Приборы и методы измерений q-switched laser ytterbium ions diode pumping lutetium aluminate crystals second harmonic generation |
| title | Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser |
| title_full | Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser |
| title_fullStr | Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser |
| title_full_unstemmed | Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser |
| title_short | Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser |
| title_sort | compact 999 6 nm actively q switched yb3 lualo for laser induced breakdown spectroscopy laser |
| topic | q-switched laser ytterbium ions diode pumping lutetium aluminate crystals second harmonic generation |
| url | https://pimi.bntu.by/jour/article/view/435 |
| work_keys_str_mv | AT arudenkov compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser AT vkisel compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser AT ayasukevich compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser AT khovhannesyan compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser AT apetrosyan compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser AT nkuleshov compact9996nmactivelyqswitchedyb3lualoforlaserinducedbreakdownspectroscopylaser |