Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency
The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to t...
Ausführliche Beschreibung
Autor*in: |
Li Xue [verfasserIn] Yingfei Pang [verfasserIn] Wenjing Liu [verfasserIn] Liwei Liu [verfasserIn] Hui Pang [verfasserIn] Axiu Cao [verfasserIn] Lifang Shi [verfasserIn] Yongqi Fu [verfasserIn] Qiling Deng [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Übergeordnetes Werk: |
In: Micromachines - MDPI AG, 2010, 11(2020), 3, p 338 |
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Übergeordnetes Werk: |
volume:11 ; year:2020 ; number:3, p 338 |
Links: |
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DOI / URN: |
10.3390/mi11030338 |
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Katalog-ID: |
DOAJ043957218 |
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520 | |a The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. | ||
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10.3390/mi11030338 doi (DE-627)DOAJ043957218 (DE-599)DOAJ0f4d547bb8124fc08a5ebaaa8b24466c DE-627 ger DE-627 rakwb eng TJ1-1570 Li Xue verfasserin aut Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. chemical etching random microlens array beam homogenization laser Mechanical engineering and machinery Yingfei Pang verfasserin aut Wenjing Liu verfasserin aut Liwei Liu verfasserin aut Hui Pang verfasserin aut Axiu Cao verfasserin aut Lifang Shi verfasserin aut Yongqi Fu verfasserin aut Qiling Deng verfasserin aut In Micromachines MDPI AG, 2010 11(2020), 3, p 338 (DE-627)665016069 (DE-600)2620864-7 2072666X nnns volume:11 year:2020 number:3, p 338 https://doi.org/10.3390/mi11030338 kostenfrei https://doaj.org/article/0f4d547bb8124fc08a5ebaaa8b24466c kostenfrei https://www.mdpi.com/2072-666X/11/3/338 kostenfrei https://doaj.org/toc/2072-666X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 3, p 338 |
spelling |
10.3390/mi11030338 doi (DE-627)DOAJ043957218 (DE-599)DOAJ0f4d547bb8124fc08a5ebaaa8b24466c DE-627 ger DE-627 rakwb eng TJ1-1570 Li Xue verfasserin aut Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. chemical etching random microlens array beam homogenization laser Mechanical engineering and machinery Yingfei Pang verfasserin aut Wenjing Liu verfasserin aut Liwei Liu verfasserin aut Hui Pang verfasserin aut Axiu Cao verfasserin aut Lifang Shi verfasserin aut Yongqi Fu verfasserin aut Qiling Deng verfasserin aut In Micromachines MDPI AG, 2010 11(2020), 3, p 338 (DE-627)665016069 (DE-600)2620864-7 2072666X nnns volume:11 year:2020 number:3, p 338 https://doi.org/10.3390/mi11030338 kostenfrei https://doaj.org/article/0f4d547bb8124fc08a5ebaaa8b24466c kostenfrei https://www.mdpi.com/2072-666X/11/3/338 kostenfrei https://doaj.org/toc/2072-666X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 3, p 338 |
allfields_unstemmed |
10.3390/mi11030338 doi (DE-627)DOAJ043957218 (DE-599)DOAJ0f4d547bb8124fc08a5ebaaa8b24466c DE-627 ger DE-627 rakwb eng TJ1-1570 Li Xue verfasserin aut Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. chemical etching random microlens array beam homogenization laser Mechanical engineering and machinery Yingfei Pang verfasserin aut Wenjing Liu verfasserin aut Liwei Liu verfasserin aut Hui Pang verfasserin aut Axiu Cao verfasserin aut Lifang Shi verfasserin aut Yongqi Fu verfasserin aut Qiling Deng verfasserin aut In Micromachines MDPI AG, 2010 11(2020), 3, p 338 (DE-627)665016069 (DE-600)2620864-7 2072666X nnns volume:11 year:2020 number:3, p 338 https://doi.org/10.3390/mi11030338 kostenfrei https://doaj.org/article/0f4d547bb8124fc08a5ebaaa8b24466c kostenfrei https://www.mdpi.com/2072-666X/11/3/338 kostenfrei https://doaj.org/toc/2072-666X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 3, p 338 |
allfieldsGer |
10.3390/mi11030338 doi (DE-627)DOAJ043957218 (DE-599)DOAJ0f4d547bb8124fc08a5ebaaa8b24466c DE-627 ger DE-627 rakwb eng TJ1-1570 Li Xue verfasserin aut Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. chemical etching random microlens array beam homogenization laser Mechanical engineering and machinery Yingfei Pang verfasserin aut Wenjing Liu verfasserin aut Liwei Liu verfasserin aut Hui Pang verfasserin aut Axiu Cao verfasserin aut Lifang Shi verfasserin aut Yongqi Fu verfasserin aut Qiling Deng verfasserin aut In Micromachines MDPI AG, 2010 11(2020), 3, p 338 (DE-627)665016069 (DE-600)2620864-7 2072666X nnns volume:11 year:2020 number:3, p 338 https://doi.org/10.3390/mi11030338 kostenfrei https://doaj.org/article/0f4d547bb8124fc08a5ebaaa8b24466c kostenfrei https://www.mdpi.com/2072-666X/11/3/338 kostenfrei https://doaj.org/toc/2072-666X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 3, p 338 |
allfieldsSound |
10.3390/mi11030338 doi (DE-627)DOAJ043957218 (DE-599)DOAJ0f4d547bb8124fc08a5ebaaa8b24466c DE-627 ger DE-627 rakwb eng TJ1-1570 Li Xue verfasserin aut Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. chemical etching random microlens array beam homogenization laser Mechanical engineering and machinery Yingfei Pang verfasserin aut Wenjing Liu verfasserin aut Liwei Liu verfasserin aut Hui Pang verfasserin aut Axiu Cao verfasserin aut Lifang Shi verfasserin aut Yongqi Fu verfasserin aut Qiling Deng verfasserin aut In Micromachines MDPI AG, 2010 11(2020), 3, p 338 (DE-627)665016069 (DE-600)2620864-7 2072666X nnns volume:11 year:2020 number:3, p 338 https://doi.org/10.3390/mi11030338 kostenfrei https://doaj.org/article/0f4d547bb8124fc08a5ebaaa8b24466c kostenfrei https://www.mdpi.com/2072-666X/11/3/338 kostenfrei https://doaj.org/toc/2072-666X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 3, p 338 |
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Fabrication of Random Microlens Array for Laser Beam Homogenization with High Efficiency |
abstract |
The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. |
abstractGer |
The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. |
abstract_unstemmed |
The miniaturized and integrated microlens array (MLA) can effectively achieve the beam homogenization, compactness and miniaturization of laser systems. When the high-coherence laser beam is homogenized by means of using the MLA, interference fringes will occur in the homogenized light spot due to the periodicity of the MLA, which seriously affects the uniformity of the homogenized light spot. To solve this problem, a novel random microlens array (rMLA) structure was proposed for the purpose of achieving beam homogenization. The coherence in the homogenization process is suppressed by means of breaking the periodicity of the MLA. The homogenized light spot with a high energy utilization is then obtained accordingly. In the fabrication process, a clever method of combining chemical etching with lithography technology is performed to fabricate a honeycomb rMLA and a rectangular rMLA. The experimental results show that the energy utilization rate of the two types of the rMLAs is about 90%, and the uniformity of the homogenized light spots generated by the honeycomb rMLA and the rectangular rMLA are more than 80% and 85%, respectively. Meanwhile, fully cost-effective fabrication is possible to be realized. |
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