Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography
In this paper, a portable photoacoustic microscopy (PAM) system is proposed based on a large stroke electrothermal micromirror to achieve high resolution and fast imaging. The crucial micromirror in the system realizes a precise and efficient 2-axis control. Two different designs of electrothermal a...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-02-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/23/5/2592 |
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| author | Yuanlin Xia Yujie Wang Tianxiang Liang Zhen Peng Liang He Zhuqing Wang |
| author_facet | Yuanlin Xia Yujie Wang Tianxiang Liang Zhen Peng Liang He Zhuqing Wang |
| author_sort | Yuanlin Xia |
| collection | DOAJ |
| description | In this paper, a portable photoacoustic microscopy (PAM) system is proposed based on a large stroke electrothermal micromirror to achieve high resolution and fast imaging. The crucial micromirror in the system realizes a precise and efficient 2-axis control. Two different designs of electrothermal actuators with “O” and “Z” shape are evenly located around the four directions of mirror plate. With a symmetrical structure, the actuator realized single direction drive only. The finite element modelling of both two proposed micromirror has realized a large displacement over 550 μm and the scan angle over ±30.43° at 0–10 V DC excitation. In addition, the steady-state and transient-state response show a high linearity and quick response respectively, which can contribute to a fast and stable imaging. Using the Linescan model, the system achieves an effective imaging area of 1 mm × 3 mm in 14 s and 1 mm × 4 mm in 12 s for the “O” and “Z” types, respectively. The proposed PAM systems have advantages in image resolution and control accuracy, indicating a significant potential in the field of facial angiography. |
| first_indexed | 2024-03-11T07:10:53Z |
| format | Article |
| id | doaj.art-dac44c37e4c940a08df8da0daaf76b87 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-11T07:10:53Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-dac44c37e4c940a08df8da0daaf76b872023-11-17T08:36:56ZengMDPI AGSensors1424-82202023-02-01235259210.3390/s23052592Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial AngiographyYuanlin Xia0Yujie Wang1Tianxiang Liang2Zhen Peng3Liang He4Zhuqing Wang5School of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Mechanical Engineering, Sichuan University, Chengdu 610065, ChinaIn this paper, a portable photoacoustic microscopy (PAM) system is proposed based on a large stroke electrothermal micromirror to achieve high resolution and fast imaging. The crucial micromirror in the system realizes a precise and efficient 2-axis control. Two different designs of electrothermal actuators with “O” and “Z” shape are evenly located around the four directions of mirror plate. With a symmetrical structure, the actuator realized single direction drive only. The finite element modelling of both two proposed micromirror has realized a large displacement over 550 μm and the scan angle over ±30.43° at 0–10 V DC excitation. In addition, the steady-state and transient-state response show a high linearity and quick response respectively, which can contribute to a fast and stable imaging. Using the Linescan model, the system achieves an effective imaging area of 1 mm × 3 mm in 14 s and 1 mm × 4 mm in 12 s for the “O” and “Z” types, respectively. The proposed PAM systems have advantages in image resolution and control accuracy, indicating a significant potential in the field of facial angiography.https://www.mdpi.com/1424-8220/23/5/2592photoacoustic microscopyMEMSelectrothermal micromirrorportable |
| spellingShingle | Yuanlin Xia Yujie Wang Tianxiang Liang Zhen Peng Liang He Zhuqing Wang Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography Sensors photoacoustic microscopy MEMS electrothermal micromirror portable |
| title | Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography |
| title_full | Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography |
| title_fullStr | Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography |
| title_full_unstemmed | Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography |
| title_short | Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography |
| title_sort | modeling of rapid pam systems based on electrothermal micromirror for high resolution facial angiography |
| topic | photoacoustic microscopy MEMS electrothermal micromirror portable |
| url | https://www.mdpi.com/1424-8220/23/5/2592 |
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