ホログラフィック回折光学素子による光沢面検査用RGB照明の開発

ホログラフィック回折光学素子による光沢面検査用RGB照明の開発

A lighting module using a holographic optical element (HOE) for glossy surface inspection has been developed and demonstrated. This lighting module has several advantages for such kind of inspection compare to the usual lighting s ystem. The differences between HOEs lighting system and usual lightin...

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Veröffentlicht in:Seimitsu Kōgakkaishi 2017/12/05, Vol.83(12), pp.1131-1138
Hauptverfasser: 西郷, 知泰, 柴田, 進, 堀米, 秀嘉, 服部, 公央亮, 田口, 亮, 梅崎, 太造
Format: Artikel
Sprache:jpn
Schlagworte:
chromatic dispersion
collinear holographic printer
glossy surface inspection
holographic optical element
Image processing
Inspection
Lighting
Lighting systems
machine vision lighting
structured light
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Zusammenfassung:A lighting module using a holographic optical element (HOE) for glossy surface inspection has been developed and demonstrated. This lighting module has several advantages for such kind of inspection compare to the usual lighting s ystem. The differences between HOEs lighting system and usual lighting system were discussed. HOEs were fabricated by our originally developed ultra-high speed collinear holographic printer. The several optical systems and image processing method using hue also were developed, the validity of our system for actual defect was investigated.
ISSN:0912-0289
1882-675X
DOI:10.2493/jjspe.83.1131