Calibration of fiber geometry system for the measurement of large diameter optical fibers

该项目主要分为三个部分，其中每一项都有助于为Arden Photonics Fibre Geometry仪器提供可追溯性，从而通过提高市场对产品的信心来增加销售额。调查现有NPL表征光纤包层平均直径的主要测量仪器，以便将操作范围扩展到400微米包层直径，并改善NPL的测量服务在光纤通信和光电子行业的发展作出反应的能力。通过改变光学系统来确定放大倍数和比例因子，评估不同相机的性能。初始化过程以确定最佳测量不确定性。2）在保护性可伸缩保持器内构建并向Arden Photonics提供可追溯的经校准的400微米包层直径参考人工制品。这包括与Arden就切割工艺和NPL尺寸组进行联系，以进行可追溯接触测量。3）使用可追溯工件对Arden FGC仪器进行测量，并在此范围内对FGC性能进行报告。这份报告将有助于雅顿更好地了解其仪器在更大直径的不确定性。

The project is essentially divided into three parts, each of which contribute to the provision of traceability for Arden Photonics Fibre Geometry instrumentation leading to increased sales through greater market confidence in the products.1) Investigate the existing NPL primary measuring instrument for characterizing fibre cladding mean diameter in order to extend the operating range to 400 micron cladding diameter and improve NPL's measurement service capability in response to developments within the fibre communications and photonics industry. Assess different camera performances using alterations to the optical system to determine magnification and scaling factors. Initialise the process to determine the best measurement uncertainty.2) Build and supply a traceable calibrated 400 micron cladding diameter reference artefact within a protective retractable holder to Arden Photonics. This includes liaison with Arden regarding the cleaving process and the NPL dimensional group for traceable contact metrology.3) Carry out measurements on the Arden FGC instrument with 400 micron cladding diameter artefacts using traceable artefacts and produce a report on the FGC performance at this range. This report will help Arden to better understand the uncertainties of its instrument at larger diameters.