频率梳校正波长计。

IF 2.1 3区工程技术 Q2 INSTRUMENTS & INSTRUMENTATION

Metrologia Pub Date : 2024-01-01 DOI:10.1088/1681-7575/ad8927

Patrick F Egan

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引用次数: 0

摘要

升级真空波长校准服务在国家标准与技术研究所报告。仪器的核心是一个光学频率梳稳定到一个gps纪律振荡器，从而提供直接的可追溯性的SI秒。从历史上看，该服务涵盖了流行的干涉测量波长的红色和绿色激光。最近，已经增加了在（1520 < λ < 1570） nm范围内校准多个电信波长波长的波长计的能力。对于大多数市售的波长计，测试不确定度比约为104。

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Wavemeter calibration by frequency comb.

Upgrades to the vacuum wavelength calibration service at the National Institute of Standards and Technology are reported. The instrumentation centerpiece is an optical frequency comb stabilized to a GPS-disciplined oscillator, thereby providing direct traceability to the SI second. Historically, the service has covered lasers at the popular interferometry wavelengths red and green. Recently, capability has been added for calibrating wavemeters at multiple telecom wavelengths in the range (1520 < λ < 1570) nm. For most commercially available wavemeters, the test uncertainty ratio is about 10⁴.

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来源期刊

Metrologia 工程技术-物理：应用

CiteScore

2.80

自引率

25.00%

发文量

137

审稿时长

12 months

期刊介绍： Published 6 times per year, Metrologia covers the fundamentals of measurements, particularly those dealing with the seven base units of the International System of Units (metre, kilogram, second, ampere, kelvin, candela, mole) or proposals to replace them. The journal also publishes papers that contribute to the solution of difficult measurement problems and improve the accuracy of derived units and constants that are of fundamental importance to physics. In addition to regular papers, the journal publishes review articles, issues devoted to single topics of timely interest and occasional conference proceedings. Letters to the Editor and Short Communications (generally three pages or less) are also considered.