| 摘要 |
The present invention includes a collapsible reel (10) which allows loose coils of coilable elongated product, such as optical fiber, to be removed therefrom. The collapsible reel includes a resilient discontinuous annulus (12) and at least one removable endcap (14). The present invention also includes a tray and tray assembly (100) for holding, storing, and/or transporting coilable elongated product, such as optical fiber, in a state of reduced tension. The present invention includes a method for measuring an optical property of an optical waveguide fiber which includes winding the optical waveguide fiber into a plurality of loops on a collapsible reel, collapsing the collapsible reel, measuring the optical property, and expanding the collapsible reel.
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