Pieces Parts
by Dan Wiswell About thirty years ago I was doing some spring cleaning and decided to bring a few tables worth of items to a large flea market in south-central New Hampshire. I had an […]
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Photon momentum for metrology – PTB.de
The optical cavity consists of two ultra-high-reflectivity mirrors (reflectivity > 99.995 %) that are suspended from two electromagnetic force-compensation balances. The visible laser beam is reflected 21 times between the mirrors. Source: Photon momentum for […]
Keysight Delivers High Performance Vector Signal Generator
SANTA ROSA, Calif. April 26, 2022 Keysight Technologies, Inc. (NYSE: KEYS), a leading technology company that delivers advanced design and validation solutions to help accelerate innovation to connect and secure the world, today launched a […]
2nd Edition Released for Measurement Uncertainty: A Reintroduction
A much enlarged second edition of Measurement Uncertainty: A Reintroduction, by Antonio Possolo (NIST) and Juris Meija (NRC Canada) was released April 6, 2022. An inter-American collaboration, the publisher is Sistema Interamericano de Metrologia (SIM) […]
Yokogawa AQ6380 awarded highest class score by 2022 Lightwave Innovation Reviews
February 9, 2022 – Yokogawa Test&Measurement, a pioneer and leader in precision optical measurement, is pleased to announce that the latest addition to its optical spectrum analyzer line, the AQ6380 Highest Performance OSA has received […]
New Rohde & Schwarz LCX LCR Meter
With a completely new family of high performance LCR meters, the frequency range of impedance measurements provided by Rohde & Schwarz test equipment is dramatically extended to cover AC components operating from 4 Hz to […]
A material measure for optical surface measurement – PTB.de
PTnews 1.2022 – The measurement responses of optical measuring devices to surface topography can be described by the instrument transfer function (ITF). At PTB, a novel material measure has been developed to characterize two-dimensional instrument […]
Quantum-calibrated magnetic force microscopy – PTB.de
PTBnews 1.2022 – A classical measurement system for measuring magnetic field distributions, which vary spatially on the nanometer scale, was calibrated by means of an atomic quantum sensor for the first time. This new calibration […]