FASERKOPPLER, SYSTEM UND ZUGEHÖRIGE VERFAHREN ZUR REDUKTION VON RÜCKREFLEKTIONEN
摘要
An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive structure may serve as a vortex lens. A system employing the optical element may include a light source and/or a detector.
申请公布号
DE60110901(T2)
申请公布日期
2006.03.23
申请号
DE2001610901T
申请日期
2001.07.10
申请人
DIGITAL OPTICS CORP., CHARLOTTE
发明人
KATHMAN, D.;KOEHLER, S.;WELCH, H.;JOHNSON, G.;TEKOLSTE, D.
