Minghsin University Institutional Repository:Item 987654321/781
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    Please use this identifier to cite or link to this item: http://120.105.36.38/ir/handle/987654321/781


    Title: 光束寬度的工業標準量測技術研究
    Authors: 蔡健忠
    Contributors: 光電系統工程系
    Keywords: 光束寬度,工業標準,光功率計,照度
    Date: 2013-12-31
    Issue Date: 2014-01-13 10:02:39 (UTC+8)
    Abstract: 依照工業界對量測光束寬度所訂定之規範及方法進行研究,並以 ISO 11146
    的標準來實施。工業界常用測量的方法有四種,如以照相機為基礎(Camera-based)
    之量測系統,狹縫(Slit)掃描器,刀邊(Knife-edge)掃描器,針孔(Pinhole)掃描器等。
    Camera-based 量測系統是以電荷偶合元件(Charge Couple Device, CCD)或互補金
    屬氧化半導體(Complementary Metal Oxide Semiconductor, CMOS)對光束進行分
    析,如光束強度過強則必須加裝衰減片進行保護,否則對CCD 或CMOS 元件會
    造成傷害,之後可找出光束的大小及照度的強弱;而後面三種則是以測量儀或者
    是光功率計架在螺旋測微移上,而且接收面必須與光束垂直,以數μm 的間距進
    行步進量測,再依工業標準所規定的,以測量到最大功率的1/e2(13.5%)之處為光
    束的寬度大小。期許透過本研究,能夠幫助業界在制定精密光學機台上,對光束
    寬度的允收標準及日後的維護調校,有具體的方法與技術可參考。
    Appears in Collections:[Department of Opto-Electronic System Engineering] Research Projects in School

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