A holographic optical element for an integrated optical head

被引：0
|
作者：
Komma, Y [1 ]
Kadowaki, S [1 ]
Nishino, S [1 ]
Hori, Y [1 ]
Kato, M [1 ]
机构：
[1] MATSUSHITA ELECT IND CO LTD, SEMICOND RES CTR, MORIGUCHI, OSAKA 570, JAPAN
来源：
OPTICAL REVIEW | 1996年 / 3卷 / 04期
关键词：
holographic optical element; blazed HOE; diffraction efficiency; integrated optical head;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Diffraction efficiencies of a reflection-type blazed holographic optical element (HOE) are analyzed and optimized for use in a totally integrated optical head. The HOE, consisting of four-step phase levels, was fabricated by a double-etching process. By controlling each etching depth, signal light power efficiency was maximized to 16% and the power ratio of noise components relative to signal light power was suppressed to 21%. Diffraction efficiencies were made uniform over the entire HOE in oblique positioning by controlling the respective step widths of the HOE.
引用
收藏
页码：251 / 257
页数：7
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