Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292073
K. Kumarajah, P. Menon, M. Ismail, B. Yeop, S. Shaari
Simulative and comparative study on the effects of multi quantum well (MQW) design parameters on the gain and threshold current of an InP-based, 1.5-μm vertical-cavity surface-emitting laser (VCSEL) is presented in this paper.
{"title":"Effect of MQW design parameters on the characteristics of an air-post 1.5 μm VCSEL","authors":"K. Kumarajah, P. Menon, M. Ismail, B. Yeop, S. Shaari","doi":"10.1109/CLEOPR.2009.5292073","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292073","url":null,"abstract":"Simulative and comparative study on the effects of multi quantum well (MQW) design parameters on the gain and threshold current of an InP-based, 1.5-μm vertical-cavity surface-emitting laser (VCSEL) is presented in this paper.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84915542","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292408
Jijun Feng, Changhe Zhou, Jiangjun Zheng, Hongchao Cao, P. Lv
We designed a subwavelength grating for polarization-independent two-port beam splitter. The design is based on the simplified modal method. Holographic recording technology and inductively coupled plasma etching can be used to manufacture the grating.
{"title":"Polarization independent two-port beam splitter grating","authors":"Jijun Feng, Changhe Zhou, Jiangjun Zheng, Hongchao Cao, P. Lv","doi":"10.1109/CLEOPR.2009.5292408","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292408","url":null,"abstract":"We designed a subwavelength grating for polarization-independent two-port beam splitter. The design is based on the simplified modal method. Holographic recording technology and inductively coupled plasma etching can be used to manufacture the grating.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83348732","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292535
Hsiao-Hua Wu, Ming-Hua Hsu, Jen-Hsiang Hou
A diode-pumped Nd:GdVO4 laser which generates continuous wave mode locking at pump power as low as 75 mW and an average output power up to 218mW at a pump power of 920mW was reported.
{"title":"Low threshold passively mode-locked Nd:GdVO4 lasers with a semiconductor saturable absorber output coupler","authors":"Hsiao-Hua Wu, Ming-Hua Hsu, Jen-Hsiang Hou","doi":"10.1109/CLEOPR.2009.5292535","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292535","url":null,"abstract":"A diode-pumped Nd:GdVO4 laser which generates continuous wave mode locking at pump power as low as 75 mW and an average output power up to 218mW at a pump power of 920mW was reported.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78028715","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292628
Hong Liu, C. Ruan
The formation of the “S-shaped” negative differential conductivity (NDC) of high gain GaAs photoconductive semiconductor switches (PCSS) is qualitatively analyzed. The development of NDC is characterized by localized direct transform from N-shaped to S-shaped NDC.
{"title":"“S-shaped” negative differential conductivity of high gain GaAs photoconductive switches","authors":"Hong Liu, C. Ruan","doi":"10.1109/CLEOPR.2009.5292628","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292628","url":null,"abstract":"The formation of the “S-shaped” negative differential conductivity (NDC) of high gain GaAs photoconductive semiconductor switches (PCSS) is qualitatively analyzed. The development of NDC is characterized by localized direct transform from N-shaped to S-shaped NDC.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81877593","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292713
H. Sakuma
Observation method for contact state of solid surface such as a metal object is proposed. The technique based on the total internal reflection is achieved with the deformation layer between the prism and the test surface.
{"title":"Observation of contact state by total internal reflection with deformation layer","authors":"H. Sakuma","doi":"10.1109/CLEOPR.2009.5292713","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292713","url":null,"abstract":"Observation method for contact state of solid surface such as a metal object is proposed. The technique based on the total internal reflection is achieved with the deformation layer between the prism and the test surface.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79435495","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292424
Gangfeng Duan, Gaoling Zhao, Xiaoxuan Lin, Tianbo Zhang, G. Han
A simple atmospheric pressure chemical vapor deposition method was employed to deposit TiNxOy film on glass substrate. The obtained film combined the solar control performance and self-cleaning properties, which was suitable for multi-functional coating glass.
{"title":"APCVD preparation of TiNxOy film for multi-functional coating glass","authors":"Gangfeng Duan, Gaoling Zhao, Xiaoxuan Lin, Tianbo Zhang, G. Han","doi":"10.1109/CLEOPR.2009.5292424","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292424","url":null,"abstract":"A simple atmospheric pressure chemical vapor deposition method was employed to deposit TiNxOy film on glass substrate. The obtained film combined the solar control performance and self-cleaning properties, which was suitable for multi-functional coating glass.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76743750","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292406
Hongmin Xue, W. Shi, Xiangrong Ma
The carrier gain mechanism is existed m the non-linear photoconductive semiconductor switches. The far-field temporal characteristics of terahertz radiation caused by biased Large-aperture non-linear photoconductive dipole antenna were studied according to current surge model which includes effects of quantum efficiency.
{"title":"Time-domain characteristics of terahertz radiation for dipole antenna of nonlinear photoconductive switches","authors":"Hongmin Xue, W. Shi, Xiangrong Ma","doi":"10.1109/CLEOPR.2009.5292406","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292406","url":null,"abstract":"The carrier gain mechanism is existed m the non-linear photoconductive semiconductor switches. The far-field temporal characteristics of terahertz radiation caused by biased Large-aperture non-linear photoconductive dipole antenna were studied according to current surge model which includes effects of quantum efficiency.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73347399","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292669
Xian-zeng Zhang, Xiaoyan Wang, Z. Zhan, Qing Ye, S. Xie
Pulse Erbium:YAG laser was capable of massive ablation of middle ear bone and similar outcomes as traditional methods were obtained. The morphological changes and thermal damage around incision were assessed.
脉冲铒钇铝石榴石激光可大面积消融中耳骨，效果与传统方法相似。观察切口周围的形态学变化和热损伤情况。
{"title":"Massive ablation of middle ear bone with Er:YAG laser","authors":"Xian-zeng Zhang, Xiaoyan Wang, Z. Zhan, Qing Ye, S. Xie","doi":"10.1109/CLEOPR.2009.5292669","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292669","url":null,"abstract":"Pulse Erbium:YAG laser was capable of massive ablation of middle ear bone and similar outcomes as traditional methods were obtained. The morphological changes and thermal damage around incision were assessed.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75184190","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292485
Guohui Li, Hailing Jiang, Xinye Xu
556nm laser light has been generated by frequency doubling of a fiber laser with a periodically poled MgO:LiNbO3 waveguide. Green light generation of 48mW with 21% conversation efficiency was attained.
{"title":"Direct frequency doubling of a fiber laser at 1111.6 nm with a periodically poled MgO:LiNbO3 waveguide crystal","authors":"Guohui Li, Hailing Jiang, Xinye Xu","doi":"10.1109/CLEOPR.2009.5292485","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292485","url":null,"abstract":"556nm laser light has been generated by frequency doubling of a fiber laser with a periodically poled MgO:LiNbO3 waveguide. Green light generation of 48mW with 21% conversation efficiency was attained.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75466704","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}
Pub Date : 2009-10-30DOI: 10.1109/CLEOPR.2009.5292516
Yulong Tang, Jian-qiu Xu
Self-pulsing of ~2 μm Tm3+-doped fiber lasers is theoretical investigated by solving rate equations. The impact of the output coupling, pump strength and particle density on self-pulsing operation is studied, and probable mechanisms are proposed.
{"title":"Theoretical study on self-pulsing in Tm3+-doped fiber lasers","authors":"Yulong Tang, Jian-qiu Xu","doi":"10.1109/CLEOPR.2009.5292516","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292516","url":null,"abstract":"Self-pulsing of ~2 μm Tm<sup>3+</sup>-doped fiber lasers is theoretical investigated by solving rate equations. The impact of the output coupling, pump strength and particle density on self-pulsing operation is studied, and probable mechanisms are proposed.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73150613","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}
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