Single-mode fiber length for wavefront filtering [PDF]
, 2008 Stellar nulling interferometry offers the possibility of direct imaging of extrasolar planets necessary for the detection of extra-terrestrial life. Achieving optimum performance from the interferometers requires that the wavefronts of light reaching the
Dasgupta, Sonali +2 more
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A low-finesse Fabry–Pérot interferometer for use in displacement measurements with applications in absolute gravimetry [PDF]
, 2012 A low-finesse Fabry–Pérot interferometer is used to determine long and fast displacements. Two corner cube reflectors form the traveling-wave cavity and one beam splitter couples the input collimated laser beam.
ROBERTSSON L +4 more
core +1 more source
Photonic Crystal Fiber Strain Sensor Based on Modified Mach–Zehnder Interferometer
IEEE Photonics Journal, 2012 In this paper, a novel strain sensor is proposed and demonstrated by employing a modified photonic crystal fiber (PCF)-based Mach–Zehnder interferometer, in which a collapsed region is introduced at the middle point of the PCF to improve the ...
L. M. Hu +7 more
doaj +1 more source
Phase Feedback Active Stabilisation Of A Multiplexed Fibre Interferometer [PDF]
Current optical technologies for surface measurement such as white light scanning interferometry (WLSI) can produce sub-nanometric resolution areal height information.
Martin, Haydn, Jiang, Xiang
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Neural networks for swept-wavelength interferometer operations. [PDF]
, 2022 non
CAPPELLETTI, MARTINA
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A microstructured wavefront filter for the Darwin nulling interferometer [PDF]
The European Space Agency's space-based Darwin mission aims to directly detect extrasolar Earth-like planets using nulling interferometry. However, in order to accomplish this using current optical technology, the interferometer input beams must be ...
Bakalski, I. +3 more
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Directional features of the downshifted peak observed in HF-induced stimulated electromagnetic emission spectra obtained using an interferometer [PDF]
, 2006 International audienceA high frequency (HF) ionospheric modification experiment was carried out between 25 September and 8 October 2004, using the EISCAT HF transmitter located near Tromsø, Norway.
Khudukon, B. Z. +27 more
core +1 more source
An analytical method to find the optimal parameters for gas detectors based on correlation spectroscopy using a Fabry-Perot interferometer [PDF]
, 2005 Several designs of infrared absorption based gas detector use a Fabry-Perot Interferometer (FPI) to modulate the incident light. In these systems, generally the FPI's fringes are matched with very well defined rotational absorption lines of a target ...
SPIE Europe Internation Symposium on Optical System Design +2 more
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Error Analysis of an Economical On-Site Calibration System for Linear Optical Encoders
MetrologyA calibration system was designed to evaluate the accuracy of linear optical encoders at the micron level in a fast and economical manner. The system uses a commercial interferometer and motor stage as the calibrator and moving platform.
Yatao Huang +4 more
doaj +1 more source
Optimizing the Limit of Detection of Waveguide-Based Interferometric Biosensor Devices
Sensors, 2019 Waveguide-based photonic sensors provide a unique combination of high sensitivity, compact size and label-free, multiplexed operation. Interferometric configurations furthermore enable a simple, fixed-wavelength read-out making them particularly suitable
Jonas Leuermann +7 more
doaj +1 more source