COMPENSATION OF THE WAVELENGTH DEPENDENCE IN DIFFRACTIVE STAR COUPLERS

被引：12

作者：

SCHWAB, M ^{[1
]}

LINDLEIN, N ^{[1
]}

SCHWIDER, J ^{[1
]}

AMITAI, Y ^{[1
]}

FRIESEM, AA ^{[1
]}

REINHORN, S ^{[1
]}

机构：

[1] WEIZMANN INST SCI,DEPT PHYS COMPLEX SYST,IL-76100 REHOVOT,ISRAEL

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1995年 / 12卷 / 06期

关键词：

D O I：

10.1364/JOSAA.12.001290

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical systems are described that compensate for the wavelength dispersion that arises in a diffractive fan-out star coupler. Two approaches are investigated, a space-variant one and a space-invariant one. In the space-variant approach an array of diffractive optical elements corrects the wave fronts. In the space-invariant approach a combination of refractive and diffractive lenses compensates for the chromatic focus shifts that are caused by the fan-out element. Examples for such compensating optical systems are presented, along with simulated results. The detailed design for an optimized space-invariant system is described.

引用

页码：1290 / 1297

页数：8

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