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Michelson interferometer News
Hybrid Interferometer Achieves Record-breaking Strain Resolutions
HUNTSVILLE, Ala., Aug. 9, 2022 — Researchers at the University of Alabama in Huntsville (UAH) have invented an ultrahigh-resolution interferometer that is sensitive enough to detect weak acoustic signals that are too faint to be picked up by other sensor types. The interferometer...
Nondestructive Method Uses Lasers to Characterize Nanomaterials’ Properties
HAMBURG, Germany, June 18, 2021 — A noncontact measurement method that uses laser ultrasound so that the detailed elastic properties of nanostructured materials can be characterized will help engineers and scientists decide whether nanomaterials can be processed into certain...
White Light Interferometry for Highly Accurate Thickness Measurements
Aug 1, 2018 — White light interferometry (WLI) is a common system of measurement with a long history and a variety of applications, which currently include surface profiling1, medical imaging, and — as in the past — thickness measurement. Also known as coherence...
LHZ Delivers Laser System to LIGO
HANNOVER, Germany, April 9, 2012 — A new laser system that measures gravitational waves directly will be integrated into a gravitational-wave detector in the US at LIGO’s site in Hanford, Wash. The first direct measurements of these minuscule ripples in space-time are expected to...
‘Squeezed Laser’ Boosts Interferometer Accuracy
HANNOVER, Germany, Sept. 14, 2011 — Gravitational waves, though yet to be observed, were first predicted by Einstein in his theory of relativity. Observing these massive astronomical events, which generate tiny fluctuations and cause the fabric of space-time to expand and contract...
Infrared Chemical Imaging: The Future of FourierTransform IR Spectroscopy
Dec 1, 2004 — Fourier transform infrared (FTIR) spectroscopic techniques are valued for their rapid, nondestructive analysis of materials as well as for their ability to identify the chemical signature of small samples. The Michelson interferometer is the...
Michelson Interferometry Interrogates Fiber Bragg Grating Sensors
Oct 1, 2003 — Fiber Bragg gratings, which have had such success in wavelength division multiplexing for telecommunications, also have been adapted to environmental sensors. These sensors measure parameters such as temperature, pressure and strain, which cause...
Tweezers Employ Three Forces
Apr 1, 2003 — Using a Michelson interferometer in a double-hologram setup, researchers at Nanyang Technological University in Singapore have demonstrated a new type of optical tweezers based on the interference of Laguerre-Gaussian beams. The system, which is...
(8 results found)
April 2024
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