Double-reflection polygon mirror for high-speed optical coherence microscopy

被引：23

作者：

Liu, Linbo ^{[1
]}

Chen, Nanguang ^{[1
,2
,3
]}

Sheppard, C. J. R. ^{[1
,2
]}

机构：

[1] Natl Univ Singapore, Grad Programme Bioengn, Singapore 117576, Singapore

[2] Natl Univ Singapore, Div Bioengn, Singapore 117576, Singapore

[3] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

来源：

OPTICS LETTERS | 2007年 / 32卷 / 24期

关键词：

D O I：

10.1364/OL.32.003528

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on a high-speed, high-efficiency, high-duty-cycle, path-length-maintaining and linear beam scanner suitable for en face scanning optical coherence microscopy. Fast transverse beam scanning is achieved by use of a double-reflection polygon mirror (DRPM) rotating at a constant speed. With a motor speed of 18,000 rpm and a scanner diameter of 50 mm, the DRPM provides a line rate up to 3 kHz, +/- 1.8 degrees scanning range, and 90% duty cycle. A much higher scanning speed and much larger scanning range can be readily achieved by increasing the scanner diameter. (c) 2007 Optical Society of America.

引用

页码：3528 / 3530

页数：3

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