Rapid fabrication of miniature lens arrays by four-axis single point diamond machining

被引：34

作者：

McCall, Brian ^{[1
]}

Tkaczyk, Tomasz S. ^{[1
,2
]}

机构：

[1] Rice Univ, Dept Bioengn, Houston, TX 77005 USA

[2] Rice Univ, Dept Elect Engn, Houston, TX 77005 USA

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 03期

关键词：

MICROLENS; MICROOPTICS; DESIGN;

D O I：

10.1364/OE.21.003557

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel method for fabricating lens arrays and other nonrotationally symmetric free-form optics is presented. This is a diamond machining technique using 4 controlled axes of motion - X, Y, Z, and C. As in 3-axis diamond micro-milling, a diamond ball endmill is mounted to the work spindle of a 4-axis ultra-precision computer numerical control (CNC) machine. Unlike 3-axis micro-milling, the C-axis is used to hold the cutting edge of the tool in contact with the lens surface for the entire cut. This allows the feed rates to be doubled compared to the current state of the art of micro-milling while producing an optically smooth surface with very low surface form error and exceptionally low radius error. (C) 2013 Optical Society of America

引用

页码：3557 / 3572

页数：16

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