Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring
A micro-interferometer based on surface third-harmonic generation (THG) at twophoton- polymerized SU-8 cuboids for real-time monitoring of the refractive index changes of target fluids, which can be easily integrated into microfluidic photonic systems, is demonstrated. The third-harmonic (TH) int...
| 主要な著者: | , , , , , , , |
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| その他の著者: | |
| フォーマット: | Journal Article |
| 言語: | English |
| 出版事項: |
2019
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| 主題: | |
| オンライン･アクセス: | https://hdl.handle.net/10356/104482 http://hdl.handle.net/10220/50028 |
| _version_ | 1826123702479093760 |
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| author | Kim, Seung-Woo Sandeep, C. S. Suchand Jiao, Jiannan Gao, Yi Li, Shufan Anh, Nguyen Duy Su, Pei-Chen Kim, Young-Jin |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Kim, Seung-Woo Sandeep, C. S. Suchand Jiao, Jiannan Gao, Yi Li, Shufan Anh, Nguyen Duy Su, Pei-Chen Kim, Young-Jin |
| author_sort | Kim, Seung-Woo |
| collection | NTU |
| description | A micro-interferometer based on surface third-harmonic generation (THG) at twophoton-
polymerized SU-8 cuboids for real-time monitoring of the refractive index changes of
target fluids, which can be easily integrated into microfluidic photonic systems, is
demonstrated. The third-harmonic (TH) interferogram is selectively generated only from the
target volume by a simple vertical pumping, thereby eliminating the needs for complicated
coupling and alignments. The dependence of the generated TH to the input pump polarization
state is thoroughly investigated. The THG efficiency by linearly polarized excitation is found
to be 2.6 × 10−7, which is the most efficient at the SU-8-air interface and independent of the
input polarization direction. The THG efficiency from the SU-8-air interface is 12.17 times
higher than that from the glass-air interface and 4.93 times higher than that from the SU-8-
glass interface. Real-time monitoring of argon gas pressure is demonstrated using the microinterferometer. The surface TH from two-photon-polymerized 3D structures offers novel
design flexibility to the nonlinear optical light sources for microfluidic and microelectronic
devices. |
| first_indexed | 2024-10-01T06:08:39Z |
| format | Journal Article |
| id | ntu-10356/104482 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:08:39Z |
| publishDate | 2019 |
| record_format | dspace |
| spelling | ntu-10356/1044822020-09-26T22:06:56Z Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring Kim, Seung-Woo Sandeep, C. S. Suchand Jiao, Jiannan Gao, Yi Li, Shufan Anh, Nguyen Duy Su, Pei-Chen Kim, Young-Jin School of Mechanical and Aerospace Engineering Singapore Centre for 3D Printing Optical Testing Refractive Index Monitoring Engineering::Mechanical engineering A micro-interferometer based on surface third-harmonic generation (THG) at twophoton- polymerized SU-8 cuboids for real-time monitoring of the refractive index changes of target fluids, which can be easily integrated into microfluidic photonic systems, is demonstrated. The third-harmonic (TH) interferogram is selectively generated only from the target volume by a simple vertical pumping, thereby eliminating the needs for complicated coupling and alignments. The dependence of the generated TH to the input pump polarization state is thoroughly investigated. The THG efficiency by linearly polarized excitation is found to be 2.6 × 10−7, which is the most efficient at the SU-8-air interface and independent of the input polarization direction. The THG efficiency from the SU-8-air interface is 12.17 times higher than that from the glass-air interface and 4.93 times higher than that from the SU-8- glass interface. Real-time monitoring of argon gas pressure is demonstrated using the microinterferometer. The surface TH from two-photon-polymerized 3D structures offers novel design flexibility to the nonlinear optical light sources for microfluidic and microelectronic devices. NRF (Natl Research Foundation, S’pore) Published version 2019-09-27T03:04:44Z 2019-12-06T21:33:46Z 2019-09-27T03:04:44Z 2019-12-06T21:33:46Z 2019 2019 Journal Article Jiao, J., Gao, Y., Li, S., Anh, N. D., Su, P.-C., Kim, S.-W., ... Kim, Y.-J. (2019). Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring. Optics Express, 27(20), 29196-. doi:10.1364/OE.27.029196 https://hdl.handle.net/10356/104482 http://hdl.handle.net/10220/50028 10.1364/OE.27.029196 214880 en Optics Express © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. 11 p. application/pdf |
| spellingShingle | Optical Testing Refractive Index Monitoring Engineering::Mechanical engineering Kim, Seung-Woo Sandeep, C. S. Suchand Jiao, Jiannan Gao, Yi Li, Shufan Anh, Nguyen Duy Su, Pei-Chen Kim, Young-Jin Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title | Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title_full | Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title_fullStr | Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title_full_unstemmed | Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title_short | Surface third-harmonic generation at a two-photon-polymerized micro-interferometer for real-time on-chip refractive index monitoring |
| title_sort | surface third harmonic generation at a two photon polymerized micro interferometer for real time on chip refractive index monitoring |
| topic | Optical Testing Refractive Index Monitoring Engineering::Mechanical engineering |
| url | https://hdl.handle.net/10356/104482 http://hdl.handle.net/10220/50028 |
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