Bending Losses in Multi-mode Fibers with Low Numerical Aperture

被引：0

作者：

Huang, Marina ^{[1
]}

Poppett, Claire ^{[2
]}

Kupke, Renate ^{[1
]}

Bundy, Kevin ^{[1
]}

Westfall, Kyle B. ^{[1
]}

MacDonald, Nicholas ^{[1
]}

Dillon, Daren ^{[1
]}

机构：

[1] UC Santa Cruz, UC Observ, UCO Lick, 1156 High St, Santa Cruz, CA 95064 USA

[2] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VIII | 2020年 / 11447卷

关键词：

optical fiber; numerical aperture; bending loss; focal ratio degradation; spectrograph; FOBOS; OPTICAL-FIBERS;

D O I：

10.1117/12.2563237

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Spectrographs are integral in panoramic surveys. An optimized spectrograph design can facilitate the observation of faint objects. One such optimization lies in its bundle of optical fibers and their numerical apertures (NA). Low NA fibers are less commonly used and studied, but can be advantageous in terms of cost and precision. Here, we describe the properties of 0.12 NA and 0.22 NA fibers with different input beam f-ratio, quantities of wraps, and bend radii.

引用

页数：6

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