國立臺南大學專任教師基本資料
姓名許志維
系所電機工程學系
職稱助理教授
校內分機 
EMAILcwhsu@mail.nutn.edu.tw
辦公室 
網址 
專長/研究領域 
學位畢業學校國別主修學門修業期間
學士國立台灣大學中華民國電機工程學研究所1990/09~1994/06
博士國立台灣大學中華民國光電工程學研究所1994/08~2001/06
服務機關部門系所職稱服務期間
工業技術研究院 研究員2002/01~2007/07
著作名稱:Ultracompact polarization rotator in an asymmetric single dielectric loaded rib waveguide
年度:2016
類別:期刊論文
摘要:A compact polarization rotator (PR) with an asymmetric single dielectric loaded rib waveguide is proposed. The core of the waveguide is designed to have a specific rectangular configuration. The waveguide requires only a single asymmetrical dielectric loading on the core to complete the polarization conversion. The optical field is confined to the vicinity of the core center, which matches the optical field of the input/output waveguides. The transition loss of the PR is as low as 0.03–0.21 dB/facet without the taper or offset schemes. Such results can facilitate the fabrication of a PR with an operating length of 10 um. In a comprehensively designed PR with a length of 7.92 um, a –1 dB bandwidth for polarization conversion efficiency (PCE) is greater than 100 nm at the communicating wavelength of 1550 nm. The loading width and thickness with 20 nm tolerance exhibit −0.87 and −0.49 dB changes in PCE, respectively.
關鍵字:integrated optics devices, polarization-selective devices, guided waves
著作名稱:8.13 um in length and CMOS compatible polarization beam splitter based on an asymmetrical directional coupler
年度:2016
類別:期刊論文
摘要:A compact silicon polarization beam splitter (PBS) is proposed based on an asymmetrical directional coupler consisting of a wide waveguide and a dielectric loaded narrow waveguide. Given that TE and TM polarizations are the dominant mode in the wide and narrow waveguides, respectively, a perfect phase-matching condition in TM mode but a huge phase mismatching in TE mode can be achieved. Therefore, the TE mode is almost uncoupled regardless of device length but the TM mode can only completely couple to the cross port at an appropriate coupling length. An ultrashort (~8.13 um long) PBS is designed based on a silicon-on-insulator nanowire with a loading refractive index of 2.0 and a gap width of 200 nm. Numerical simulations show that the proposed PBS has a broad bandwidth (~100 nm) with large extinction ratio (> 10 dB) and low insertion loss ( 0.61 dB). The fabrication-error tolerance of the PBS is also discussed.
關鍵字:integrated optics devices, polarization-selective devices, guided waves, waveguides
著作名稱:Anti-glare LED lamps with adjustable illumination light field
年度:2014
類別:期刊論文
摘要:We introduce a type of LED light-gauge steel frame lamp with an adjustable illumination light field that does not require a diffusion plate. Base on the Monte Carlo ray tracing method, this lamp has a good glare rating (GR) of 17.5 at 3050 lm. Compared with the traditional LED lightgauge steel frame lamp (without diffusion plate), the new type has low GR. The adjustability of the illumination light field could improve the zebra effect caused by the inadequate illumination light field of the lamp. Meanwhile, we adopt the retinal image analysis to discuss the influence of GR on vision. High GR could reflect stray light on the retinal image, which will reduce vision clarity and hasten the feeling of eye fatigue.
關鍵字:Illumination design, Light-emitting diodes, Vision - acuity
著作名稱:Chih-Wei Hsu, Chieh-Ting Chen, and Chih-Chung Yang, “Retracing behavior and broadband generation based on quasi-phase-matched optical parametric processes,” J. Optical Society of America B, Vol. 19, 1150-1156, 2002. (SCI)
年度:2002
類別:期刊論文
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著作名稱:Chih-Wei Hsu and C. C. Yang, “Broadband Optical Parametric Generation with Non-collinear Operation on Periodically Poled LiNbO3,” Optics Letters, Vol. 26, pp 1412-1414, 2001.(SCI)
年度:2001
類別:期刊論文
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著作名稱:Yan-Ju Chiang, Likarn Wang, Wen-Fung Liu, Horng-Shyang Chen, Chih-Wei Hsu, and C. C. Yang, “Temperature-Insensitive Strain Measurement Using Two Fiber Bragg Gratings in a Power Detection Scheme,” Optics Communications, Vol. 197, No. 4-6, pp. 327-330, 2001.(SCI)
年度:2001
類別:期刊論文
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著作名稱:J. Q. Yao, X. Ding, J. Y. Qiao, C. C. Yang, I-Jen Hsu, and Chih-Wei Hsu, “Pump-Tuning Optical Parametric Oscillation and Sum-Frequency Mixing with KTP Pumped by a Ti:sapphire Laser,” Optics Communications, Vol. 192, No. 3-6, pp. 407-416, 2001(SCI)
年度:2001
類別:期刊論文
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著作名稱:Cheng-Yen Chen, Kung-Jeng Ma, Yen-Shen Lin, Chung-Yen Chao, Steffen Gurtler, Chee-Wee Liu, Chih-Wei Hsu, and C. C. Yang, “Formation of Silicon Surface Gratings with High Pulse-Energy UV Laser,” J. Applied Physics, Vol. 88, No. 11, pp. 6162-6169, 2000.(SCI)
年度:2000
類別:期刊論文
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著作名稱:Y. J. Wong, Chih-Wei Hsu and C. C. Yang, “Characteristics of a dual-wavelength semiconductor laser near 1550 nm,” IEEE Photonics Technology Letters, Vol. 11, pp. 173-175, 1999.(SCI)
年度:1999
類別:期刊論文
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著作名稱:Chih-Wei Hsu and C. C. Yang, “Using a Grating Structure for Phase Compensation in Achieving Efficient Round-trip Optical Parametric Process in PPLN with an Incomplete QPM Period,” Optics Letters, Vol. 24, pp. 540-542, 1999.(SCI)
年度:1999
類別:期刊論文
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著作名稱:S. D. Huang, Chih-Wei Hsu, D. W. Huang and C. C. Yang, “Retracing behaviors of phase-matching angle in non-collinear phase-matched optical parametric oscillators,” J. Optical Society of America B, vol. 15, pp. 1375-1380, 1998.(SCI)
年度:1998
類別:期刊論文
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著作名稱:Chih-Wei Hsu, S. D. Huang, D. W. Huang and C. C. Yang, “Retracing behaviors of a BBO optical parametric oscillator pumped by 532nm laser,” Electronics Letters, vol. 34, pp. 212-214, 1998.(SCI)
年度:1998
類別:期刊論文
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著作名稱:Chih-Wei Hsu and C. C. Yang, “Passive mode-locking of semiconductor lasers based on nonlinear directional coupling,” Optics Letters, vol. 21, pp. 878-880, 1996.(SCI)
年度:1996
類別:期刊論文
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著作名稱:C. C. Yang, Yean-Woei Kiang, Jiun-Haw Lee, Jyh-Yang Wang, Horng-Shyang Chen, Chih-Wei Hsu, Ding-An Wang, and Chih-Chang Chen, “Nonlinear Optical Effects in Semiconductor Optical Amplifiers and Their Applications to All-optical Switching,” SPIE Proceedings, Volume 4580, 2001. (invited)
年度:2001
類別:期刊論文
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著作名稱:LED 側光式楔形導光條應用於車尾燈設計
年度:2013
類別:期刊論文
摘要:本研究在於探討LED 結合側光式導光條於汽 車尾燈的應用,利用透鏡縮小LED 發光角度,使 光進入楔形導光條,並分析其導光特性做結構最 佳化,以符合應用於汽車車尾燈裝置。運用3D 繪 圖軟體Solidworks 設計導光條模型,再利用幾何 光學之光線追跡法做分析,依據分析結果修正模 型的導光結構,進而改善光利用率與照明均勻 性, 經過設計後不僅提升整體光利用率達 82.16%,且照明均勻性也大幅提高達93.45%。
關鍵字:側光式、導光條、車尾燈、光利用率、均 勻性
著作名稱:Highly sensitive miniaturized refractive index sensor based on polarization rotation in optical waveguide
年度:2016
類別:研討會
摘要:A highly sensitive, miniaturized, integrated optic refractive index sensor is proposed based on polarization rotation in waveguides. The sensitivity of the sensor can be increased by increasing the length of the waveguide rotator. Post-fabrication trimming technique can be used to adjust the detection range and eliminate the fabrication error of the device.
關鍵字:Refractive index sensor, polarization rotation, waveguide, integrated optics devices
著作名稱:Synthesis High Sensivity ZnO Cholesterol Biosensor with One Dimensional Nanostructures
年度:2016
類別:研討會
摘要:Chelosterol ZnO biosensors were synthesized by hydrothermal method with pre-deposited ALD-ZnO seed layers. The ZnO nanostructures were examined by SEM, XRD, AFM, respectively. The XRD is used to analyze the crystal structures of ZnO seed layers that were grown by ALD process, then using SEM and AFM to analysis the surface morphologies of them. Growing of one dimensional ZnO nanostructures on seed layer of 10nm thickness, reveals high sensitivity of 3.15 uA (mg/dl)-1cm-2(121.96 uAmM-1cm-2) and low Km value of0.29mM in 25-100mg/dl cholesterol concentration range. The response time could be as low as 10seconds. In the study, it is found that increasing the aspect ratio of ZnO one dimensional nanostructure also increases the sensitivity and expends the linear measureable range of detecting cholesterol in solution. The thickness of seed layer has a significant influence on sensitivity for one dimensional nano ZnO cholesterol biosensor.
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著作名稱:Polarization Beam Splitter based on an Asymmetric Directional Coupler with Different Core Aspect Ratio
年度:2013
類別:研討會
摘要:A polarization beamsplitter (PBS) based on asymmetrical directional coupler (ADC) is proposed by utilizing the evanescent coupling between a wide waveguide and a dielectric loaded narrow waveguide. The TM mode is design to be well coupled in the ADC. Meanwhile, since the aspect ratios of these two waveguides are different, the large phase mismatched TE mode results in negligible coupling. The simulation results show that the present PBS has a high extinction ratio of more than 20 dB.
關鍵字:polarization beamsplitter, asymmetrical directional coupler, waveguide
著作名稱:利用介電質覆蓋的非對稱波導定向耦合元件製作極化分光器
年度:2013
類別:研討會
摘要:在本文中,我們提出了利用非對稱定向耦合器製作 極化分光器。我們利用將介電質覆蓋在一側波導上,並 透過改變另一側波導的核心寬度,使得在非對稱波導上 的 TE 模態可以耦合。另一方面,TM 模態會因為相位 匹配條件不滿足而沒有顯著的耦合。根據模擬結果顯示 本文所提供的極化分光器具有大於 30dB 的消光比之特 性。
關鍵字:極化分光器、定向耦合器、波導
著作名稱:利用波導極化轉換元件製作折射率感測器
年度:2013
類別:研討會
摘要:在此篇論文中,我們使用SOI製程參數設計出單側矩形缺口波導極化轉換元件,並將其運用在感測液體折射率。感測原理為利用待測液體折射率與波導極化轉換元件的極化轉換效率(PCE, polarization conversion efficiency)的響應曲線進行感測,並可透過增加極化轉換波導長度Lc來提高感測靈敏度,當元件長度為508 μm時感測靈敏度可達2.0710-5。此感測器具有製程簡單、靈敏度高等特性,相信未來可以運用在液體成份控制的關鍵製程上。
關鍵字:波導、極化轉換器、感測器
著作名稱:利用濺鍍 TiO2 薄膜製作區段波導感測元件
年度:2012
類別:研討會
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著作名稱:新型大尺寸單模波導之研究
年度:2011
類別:研討會
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著作名稱:The improvement of segment waveguide sensor
年度:2010
類別:研討會
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著作名稱:Refractometer Based On Bent Waveguide
年度:2010
類別:研討會
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著作名稱:Simulation and analysis of bend waveguide sensor
年度:2010
類別:研討會
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著作名稱:Improve Bending Efficiency with Air Trench Waveguide
年度:2010
類別:研討會
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