Ultrahigh-Resolution distance meter using a frequency comb of a femtosecond mode-locked laser

被引：0
|
作者：
Minoshima, K [1 ]
Tomita, T [1 ]
Yamaoka, Y [1 ]
Matsumoto, H [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, AIST, Metrol Inst Japan, Tsukuba, Ibaraki 3058563, Japan
来源：
ULTRAFAST PHENOMENA XIII | 2003年 / 71卷
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An optical distance meter is developed using intermode beats of a femtosecond frequency comb with a simple setup and high reliability for open-field measurement. Phase measurements of 10-GHz beat components realize one-micrometer resolution up to 240 m distance. The distance meter follows the variation of the environmental parameters with an accuracy of 2.3 x 10(-8), and then realizes automatic refractive index correction with an accuracy of 1.3 x 10(-6) by using two-color measurements.
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页码：655 / 659
页数：5
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