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2010 Symposium on Photonics and Optoelectronics最新文献

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A Macrobending Fiber Based Micro-Displacement Sensor 基于大弯曲光纤的微位移传感器
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504392
Pengfei Wang, Y. Semenova, Qiang Wu, G. Farrell
{"title":"A Macrobending Fiber Based Micro-Displacement Sensor","authors":"Pengfei Wang, Y. Semenova, Qiang Wu, G. Farrell","doi":"10.1109/SOPO.2010.5504392","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504392","url":null,"abstract":"An all-fiber micron displacement sensor with a simple configuration is proposed and investigated experimentally. The proposed fiber displacement sensor consists of a half-loop structure of bare high-bend loss singlemode fiber-1060XP, employing the well-known Whispering Gallery mode (WGM) effect. A ratiometric power measurement system for interrogating the proposed sensor is also presented. By measuring the change in ratio of bend loss in the ratiometric system, a change in displacement can be measured assuming the ratiometric system is calibrated. The proposed macrobending fiber based displacement sensor achieves a higher resolution (less than 75 nm of displacement) than other conventional fiber-optic sensors and also benefits from simplicity.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"6 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132279960","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: 4
Electro-Optical Coupling in Laminate Composites Ferroelectrics/Polycarbonate 铁电体/聚碳酸酯层压复合材料的光电耦合
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504035
X. Y. Li, N. Zhang, X. B. Luo, J. S. Gao, W. Wang
{"title":"Electro-Optical Coupling in Laminate Composites Ferroelectrics/Polycarbonate","authors":"X. Y. Li, N. Zhang, X. B. Luo, J. S. Gao, W. Wang","doi":"10.1109/SOPO.2010.5504035","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504035","url":null,"abstract":"Electro-optical composites based on the product of electro-strictive and elasto-optical effects were developed. Laminate composites of PbZr1-xTixO3 and Polycarbonate were synthesized. Their electro-optical properties were studied. The nominal transverse electro-optical coefficient of the composites was observed 3 times larger than the similar quantity of NbLiO3. Experiments and theoretical analysis showed that the electro-optical effect of the composites had strong \"size effects\". With decreasing the ratio of the thickness/length or increasing the width of the elastic-optic phase, the half-wave electric field intensity increases but the transverse electro-optical coefficient decreases for the composites.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133108525","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 Compact SMS Refractometer Based on HF Corrosion Scheme 基于HF腐蚀方案的紧凑型SMS折射计
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504418
Jianzhong Zhang, Shijun Peng
{"title":"A Compact SMS Refractometer Based on HF Corrosion Scheme","authors":"Jianzhong Zhang, Shijun Peng","doi":"10.1109/SOPO.2010.5504418","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504418","url":null,"abstract":"A refractometer based on single-multi-single mode fiber (SMS) structure is demonstrated experimentally. The wavelength-encoding based demodulation is proposed and realized by the broadband source ASE and optical spectral analyzer. A corresponding HF corrosion method is proposed to improve the sensitivity of the SMS refractometer. Experimental and simulation results are given to prove the feasibility of the improved SMS refractometer.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114625496","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: 11
The Effect of the Laser Interference Lithography Patterns When Substrate Tilted 基板倾斜对激光干涉光刻图案的影响
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504313
Xiao-xia Zhao, Hongying Wang, Yongjun Xie, W. Fan
{"title":"The Effect of the Laser Interference Lithography Patterns When Substrate Tilted","authors":"Xiao-xia Zhao, Hongying Wang, Yongjun Xie, W. Fan","doi":"10.1109/SOPO.2010.5504313","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504313","url":null,"abstract":"The effect of the tilted substrate on the lithography patterns in maskless Laser Interference Lithography (MLIL) was numerically and experimentally studied. The experiments showed that the period of interference patterns becomes larger with increasing tilt angles of the substrate, as is in good agreement with theoretical analysis. It was also shown that there is no evident change when the rotational angle was less than 3 degree in our experiment. The significance of our analytical results for MLIL and the fabrication of integrated circuit was discussed.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114877148","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
Parameters for Characterizing Broadband Gaussian Shell-Model Beams Propagating in Free Space 表征在自由空间中传播的宽带高斯壳型光束的参数
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504255
H. Mao, Linfei Chen, Fan Ge, Dao-mu Zhao
{"title":"Parameters for Characterizing Broadband Gaussian Shell-Model Beams Propagating in Free Space","authors":"H. Mao, Linfei Chen, Fan Ge, Dao-mu Zhao","doi":"10.1109/SOPO.2010.5504255","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504255","url":null,"abstract":"The beam propagation factor and kurtosis parameter of broadband Gaussian shell-model beams propagating in free space are studied numerically based on the intensity moments. The effects of spectral bandwidth and spatial correlation length on these two parameters are analyzed. The beam propagation factor or kurtosis parameter of beams with broader spectral bandwidth and smaller correlation length becomes larger. The parameters of broadband fully coherent Gaussian beams is less affected by the broad spectral bandwidth than those of broadband partially coherent Gaussian beams is.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116586586","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
Research of the Compensation for Phase-Tilt Aberration with an Confocal Unstable Resonator 用共焦不稳定谐振腔补偿相倾斜像差的研究
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504162
Xiang Zhang
{"title":"Research of the Compensation for Phase-Tilt Aberration with an Confocal Unstable Resonator","authors":"Xiang Zhang","doi":"10.1109/SOPO.2010.5504162","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504162","url":null,"abstract":"The influence on outcoupled mode by introducing intracavity tilt-perturbation in confocal unstable resonator is analyzed. The intracavity mode properties and Zernike-aberration coefficient of intrcacity mirror's maladjustment are calculated theoretically. The experimental results about the relations of intracavity mirror maladjustment and the properties of mode aberration are presented by adopting Hartmann-Shack wavefront sensor. The results show that the intracavity perturbation of the concave mirror has more remarkable effect on outcoupled beam-quality than that of the convex mirror. For large Fresnel-number resonator, the tilt angle of intracavity mirror has a close linear relationship with extracavity Zernike tilt coefficient. The ratio of tilt aberration coefficient approaches to the magnification of unstable resonator if equivalent perturbation is applied to concave mirror and convex mirror respectively. Furthermore, astigmatism and defocus aberration also increase with the augment of tilt aberration of beam mode. So intracavity phase-corrected elements used in unstable resonator should be close to the concave mirror. Based these results, a set of autocontrol system of intracavity tilt aberration is established and the aberration-corrected results are analyzed detailedly.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117099496","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
Three Code-Mapping Methods for Optical CDMA 光CDMA的三种码映射方法
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504017
Cheng-Yuan Chang, Guu-chang Yang, C. Tu, W. Kwong
{"title":"Three Code-Mapping Methods for Optical CDMA","authors":"Cheng-Yuan Chang, Guu-chang Yang, C. Tu, W. Kwong","doi":"10.1109/SOPO.2010.5504017","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504017","url":null,"abstract":"In this paper, we propose three code-mapping methods, which make use of existing optical codes of one dimension to construct optical codes of a different dimension. A reverse code-mapping method is first introduced, which allows the generation of 1-D prime codes from their 2-D counterparts. Afterwards, the one-to-one correspondence between 1-D and 2-D optical codes is established with the use of the Chinese remainder theorem. This theorem is then used for the first time to generate rare, difficult-to-construct 1-D optical codes of cross-correlation values of at most two. Finally, an improved zero-padding folding method for mapping 1-D to 2-D optical codes with more flexible selection of code parameters than previous methods is detailed.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115835733","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
Photoluminescence Study of the Interface of Nanocrystalline ZnO/Amorphous ZnO 纳米晶ZnO/非晶ZnO界面的光致发光研究
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504262
Zhijun Wang, Shouchun Li, M. Ni, Li Liu, Jinbao Zhang, L. Wang, Yunxia Tian, Zeheng Wang, Aiguo Wei
{"title":"Photoluminescence Study of the Interface of Nanocrystalline ZnO/Amorphous ZnO","authors":"Zhijun Wang, Shouchun Li, M. Ni, Li Liu, Jinbao Zhang, L. Wang, Yunxia Tian, Zeheng Wang, Aiguo Wei","doi":"10.1109/SOPO.2010.5504262","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504262","url":null,"abstract":"We studied the growth process of nanocrystalline ZnO which grown in amorphous ZnO by photoluminescence (PL). In this process, we found a new visible emission band, the visible emission intensity increased quickly at first, then decreased exponentially, while the peaks energy has a red shift from 583nm to 615nm along with the increasing reaction temperature. The results indicate this visible emission band correlate with the nanocrystalline ZnO/amorphous ZnO interface. The interface was polarized by the activated amorphous ZnO acts with the nanocrystalline ZnO surface, thus charge carrier was self-trapped on the nanocrystalline ZnO surface and emitted visible PL by recombination. We studied the changes rule of the nanocrystalline ZnO / amorphous ZnO interface by the characteristic of visible emission.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116143290","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
Digital Photogrammetry Applying to Reverse Engineering 数字摄影测量在逆向工程中的应用
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504188
De-Hai Zhang, Jin Liang, Cheng Guo, Xiao-qiang Zhang
{"title":"Digital Photogrammetry Applying to Reverse Engineering","authors":"De-Hai Zhang, Jin Liang, Cheng Guo, Xiao-qiang Zhang","doi":"10.1109/SOPO.2010.5504188","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504188","url":null,"abstract":"In reverse engineering (RE) or rapid prototyping of a complex 3D object, there is often a need to scan a complete 3D model using laser digitizers. However, most digitizers scan objects in a 2.5D way such that the multiple data sets need to be aligned and integrated. In this paper a kind of new method applying to RE which composed of digital close-range industrial photogrammetry and surface scanner technology is proposed. Where un-coded points and coded-points attached on the surface of parts can be figured out and the complete un-coded points are exported using photogrammetry system XJTUDP. The surface scanner system XJTUOM is according to the complete area un-coded points, every piece of points-cloud may be aligned automatically. Then 3D data of the object surface and CAD model of part are acquired precisely using post-processing software of RE. Experiment studies of garbage processor show that the approach possesses good accuracy and satisfy the requirement of RE.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114982824","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: 8
The Design and Fabrication of Fibonacci Quasi-Periodic Superstructure Fiber Bragg Gratings 斐波那契准周期上层结构光纤Bragg光栅的设计与制作
2010 Symposium on Photonics and Optoelectronics Pub Date : 2010-06-19 DOI: 10.1109/SOPO.2010.5504125
Jian Zhang, Aiwu Li, Chuannan Li, L. Xia, P. Shum
{"title":"The Design and Fabrication of Fibonacci Quasi-Periodic Superstructure Fiber Bragg Gratings","authors":"Jian Zhang, Aiwu Li, Chuannan Li, L. Xia, P. Shum","doi":"10.1109/SOPO.2010.5504125","DOIUrl":"https://doi.org/10.1109/SOPO.2010.5504125","url":null,"abstract":"Superstructure fiber Bragg gratings constructed following the Fibonacci sequence were designed and fabricated in photosensitive single mode optical fiber by phase mask scanning technique. The reflectivity of the gratings showed the six-cycle property with respect to the Fibonacci sequence order at the central wavelength 1541.86nm. The reflection spectra were multi-fractal and self-similar with scaling. The fabricated device is compact, stable, cost effective, and its spectral profile is easy to control. It can be used as C-band optical fiber filters with a spectral self similarity.","PeriodicalId":155352,"journal":{"name":"2010 Symposium on Photonics and Optoelectronics","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123372046","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
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