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2019 International Conference on Optical MEMS and Nanophotonics (OMN)最新文献

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Photoluminescence Enhancement of MoS2 via Dielectric Metasurface 介电超表面增强二硫化钼的光致发光
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925300
Liangqiu Zhu, Shuai Yuan, C. Zeng, J. Xia
{"title":"Photoluminescence Enhancement of MoS2 via Dielectric Metasurface","authors":"Liangqiu Zhu, Shuai Yuan, C. Zeng, J. Xia","doi":"10.1109/OMN.2019.8925300","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925300","url":null,"abstract":"A monolayer MoS<inf>2</inf> was transferred to the surface of a high quality factor dielectric metasurface. Evanescent coupling of the MoS<inf>2</inf> and the resonant modes is achieved, leading to over 25 times of photoluminescence enhancement of the MoS<inf>2</inf>.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120895046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Speckle-Enhanced Prism Spectrometer 散斑增强棱镜光谱仪
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925014
S. K. Çetindağ, O. Ferhanoğlu, M. F. Toy, F. Çivitci
{"title":"Speckle-Enhanced Prism Spectrometer","authors":"S. K. Çetindağ, O. Ferhanoğlu, M. F. Toy, F. Çivitci","doi":"10.1109/OMN.2019.8925014","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925014","url":null,"abstract":"We present an improved prism spectrometer with high wavelength range and spectral resolution. The device is an upgraded prism spectrometer that utilizes an additional scattering medium leading to a wavelength-dependent speckle pattern. We demonstrate < 20 pm resolution and $sim$ 750 nm wavelength range with the proposed device. With the demonstrated spectral resolution, the speckle-enhanced prism could provide the means to image deep tissue layers in Optical Coherence Tomography.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115275670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sub-diffraction resolution of periodic grating structures in a focus engineered sum frequency generation microscope 聚焦工程和频率产生显微镜中周期光栅结构的亚衍射分辨率
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/omn.2019.8925151
Jyothsna Km, Hyunmin Kim, V. Raghunathan
{"title":"Sub-diffraction resolution of periodic grating structures in a focus engineered sum frequency generation microscope","authors":"Jyothsna Km, Hyunmin Kim, V. Raghunathan","doi":"10.1109/omn.2019.8925151","DOIUrl":"https://doi.org/10.1109/omn.2019.8925151","url":null,"abstract":"Use of Toraldo-type pupil phase masks in a nonlinear sum frequency generation microscope for subdiffraction resolution improvement is simulated. It is found that optimally chosen 0-w phase mask of diameter 64% of the full aperture results in reduction in the nonlinear focal field by 60% of the no phase mask case with 75% of energy concentrated in the central lobe. When imaging periodic grating structures, resonant enhancement and reversal of contrast are observed for grating pitch comparable to the diameter of the side lobes. The resonant contrast enhancement can potentially be used for selectively amplifying certain spatial frequencies in the sample.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125110223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tunable Chevron-Beam Infrared Metamaterial 可调谐Chevron-Beam红外超材料
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/omn.2019.8925251
Yannan Mo, Zefeng Xu, Ruijia Xu, Ji Luo, Jitong Zhong, Dongyuan Yao, Rongpeng Fang, Yu‐Sheng Lin
{"title":"Tunable Chevron-Beam Infrared Metamaterial","authors":"Yannan Mo, Zefeng Xu, Ruijia Xu, Ji Luo, Jitong Zhong, Dongyuan Yao, Rongpeng Fang, Yu‐Sheng Lin","doi":"10.1109/omn.2019.8925251","DOIUrl":"https://doi.org/10.1109/omn.2019.8925251","url":null,"abstract":"We propose a tunable filter, which exhibits tunable resonance, single-/dual-band switching characteristics. This device is composed of chevron-beam infrared metamaterial (CBIM) to perform the tunable electromagnetic responses. By modifying the geometrical configurations, e.g. changing $l, w, theta$, and g parameters, the largest tuning ranges of resonances are 360 nm, 270nm, 100nm, and 105 nm respectively. This study provides an effective approach to realize tunable switch, filter, sensor, polarizer applications in near-infrared wavelength range.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133301113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Switchable Dot Projection Module for 3D Flexible Endoscopes 可切换的点投影模块的3D柔性内窥镜
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925250
Sung-Pyo Yang, Yeong-Hyeon Seo, Kyungmin Hwang, K. Jeong
{"title":"Switchable Dot Projection Module for 3D Flexible Endoscopes","authors":"Sung-Pyo Yang, Yeong-Hyeon Seo, Kyungmin Hwang, K. Jeong","doi":"10.1109/OMN.2019.8925250","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925250","url":null,"abstract":"This work reports switchable dot projection module for 3D flexible endoscopes. The dot projector is composed of the switchable fiber-bundle and diffractive optical elements with double-sided microlens arrays with rotational offset to generate diffractive dot array patterns and uniform illumination at the same time. The overall diameter of the packaged dot projector is small and flexible enough to replace one of the illumination channels in conventional 2D endoscopes to make the structured-light based 3D surface imaging possible.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"297 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115612531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Implantable Wireless Neural Interface for Multichannel Neural Recording and Optogenetic Neuromodulation 用于多通道神经记录和光遗传神经调节的植入式无线神经接口
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925256
Daeho Ryu, Saeyoung Jeon, Yong-Kweon Kim, S. Jun, C. Ji
{"title":"Implantable Wireless Neural Interface for Multichannel Neural Recording and Optogenetic Neuromodulation","authors":"Daeho Ryu, Saeyoung Jeon, Yong-Kweon Kim, S. Jun, C. Ji","doi":"10.1109/OMN.2019.8925256","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925256","url":null,"abstract":"This paper presents a low cost, light-weight, and low power consuming wireless neural interface for multichannel neural recording and optogenetic neuromodulation with 470 and 589 nm light sources and a customizable pulse generator. To enhance the light coupling efficiency between the light emitting diode (LED) and 4 x 4 array of optical fibers, microlens array is used. Measured light intensity at the tip of the fiber array is 2.812 and 1.765 mW/mm2 for 470 and 589 nm light sources, respectively. Optical fibers are assembled with 4 x 4 microlens array on a silicon die, which enables the illumination of relatively large area in the brain. To record the neural signal, two zero-drift operational amplifiers and 12-bit ADC (analog-to-digital converter) were used. The sampling frequency on each channel is 16 kHz. A ± 160 μV, 100 Hz sine wave in saline solution was successfully measured and wirelessly transmitted with the fabricated device.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116973096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal dynamics of 2-axis electrothermal MEMS micromirrors 二轴电热MEMS微镜的热动力学
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925050
Mark Donnachie, D. Uttamchandani, R. Bauer
{"title":"Thermal dynamics of 2-axis electrothermal MEMS micromirrors","authors":"Mark Donnachie, D. Uttamchandani, R. Bauer","doi":"10.1109/OMN.2019.8925050","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925050","url":null,"abstract":"We present the dynamic analysis of a 2-axis electrothermal MEMS scanner, focusing on the step response times for random access imaging. The 1.2 mm diameter single layer silicon mirror shows rise times in the 10-40 ms range for angle changes of 0.4°-4.7°, while fall times are 5-15 ms for the same range, leading to the potential of advanced optimization for mirror path planning.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123117604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A miniaturised light-sheet microscopy system using MEMS micromirror control 采用MEMS微镜控制的微型化薄片显微镜系统
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925053
S. Bakas, D. Uttamchandani, H. Toshiyoshi, R. Bauer
{"title":"A miniaturised light-sheet microscopy system using MEMS micromirror control","authors":"S. Bakas, D. Uttamchandani, H. Toshiyoshi, R. Bauer","doi":"10.1109/OMN.2019.8925053","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925053","url":null,"abstract":"We present the optical characterization of a MEMS enabled light-sheet microscopy system which combines 2-axis MEMS control over the light delivery for a scanned and freely positioned light-sheet as well as MEMS focal control of the image collection. The system performance is evaluated using standard imaging targets and fluorescence bead samples for 3D image generation.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124026659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Subwavelength sampled photonics waveguides in silicon nitride for efficient fiber mode-matching 用于高效光纤模式匹配的氮化硅亚波长采样光子波导
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925200
A. Kukin, Nadav Amitai, D. Marom
{"title":"Subwavelength sampled photonics waveguides in silicon nitride for efficient fiber mode-matching","authors":"A. Kukin, Nadav Amitai, D. Marom","doi":"10.1109/OMN.2019.8925200","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925200","url":null,"abstract":"We report initial results of modeling and fabrication of adiabatic mode conversion with subwavelength SiN waveguide sampling for efficient edge fiber coupling. Our calculation show coupling efficiency above 90%.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134271485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel Wire Grid Polarizer Structure for Wider Angle of Incidence 新型宽入射角线栅偏振器结构
2019 International Conference on Optical MEMS and Nanophotonics (OMN) Pub Date : 2019-07-01 DOI: 10.1109/OMN.2019.8925266
Daiki Ogawa, N. Awaya, Akifumi Nawata, Motohiko Tsuchiya, S. Tanaka
{"title":"Novel Wire Grid Polarizer Structure for Wider Angle of Incidence","authors":"Daiki Ogawa, N. Awaya, Akifumi Nawata, Motohiko Tsuchiya, S. Tanaka","doi":"10.1109/OMN.2019.8925266","DOIUrl":"https://doi.org/10.1109/OMN.2019.8925266","url":null,"abstract":"Inorganic wire grid polarizers with higher extinction ratio at wider viewing angle has been developed by structure optimization. The effect on the extinction ratio to correct the polarization axis by inserting the thin dielectric layer was proposed through the numerical simulation and modeling was studied. The improvement of extinction ratio at an azimuthal angle of 45 degrees was demonstrated by experimentation.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123073041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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