Results 81 to 90 of about 66,598 (211)

The design of a double ended interferometer (DEI)

open access: yesInternational Journal of Metrology and Quality Engineering, 2014
At NMISA the SI unit for length is realised by an iodine stabilised He-Ne laser, an optical measurement. In industry most measurements are performed by mechanical probing. Gauge blocks are the link between the optical measurements and
Kruger O.   +3 more
doaj   +1 more source

Demo 23-19 Microwave Interferometer [PDF]

open access: yes, 2001
An interferometer is constructed for use with 3-cm microwaves using the apparatus of Disc 21 Demonstration 14. A mesh screen at 45? with respect to the incoming beam, shown in Figure 1, functions as a half-silvered mirror.

core  

Fibre imaging bundles for full-field optical coherence tomography [PDF]

open access: yes, 2007
An imaging fibre bundle is incorporated into a full-field imaging OCT system, with the aim of eliminating the mechanical scanning currently required at the probe tip in endoscopic systems.
Tatam, Ralph P., Ford, Helen D.
core   +1 more source

Self-Mixing Diode Laser Interferometry [PDF]

open access: yes, 2010
Self-mixing interferometry in a laser diode is a very powerful tool in measurement science. The Self-mixing interferometer is a very robust and low cost interferometer with extreme simplicity in alignment and setup.
Shrestha, Pawan Kumar
core  

An alinement interferometer [PDF]

open access: yes, 1963
This paper describes a diverging-beam type of alinement interferometer that permits the use of large apertures, provides ruggedness, high sensitivity, and is relatively compact. Since this interferometer is fully compensated, white light can be used. The
Saunders, J.B.
core   +1 more source

A Phonocardiographic-Based Fiber-Optic Sensor and Adaptive Filtering System for Noninvasive Continuous Fetal Heart Rate Monitoring

open access: yesSensors, 2017
This paper focuses on the design, realization, and verification of a novel phonocardiographic- based fiber-optic sensor and adaptive signal processing system for noninvasive continuous fetal heart rate (fHR) monitoring.
Radek Martinek   +8 more
doaj   +1 more source

Multiple beam Michelson-based interferometer [PDF]

open access: yes, 2009
We present a modification to the classic Michelson interferometer that allows the interference of multiple beams with equal amplitude. The proposed architecture presents the same advantages and simplicity as those of a classic Michelson interferometer ...
JULIAN DAVID SANCHEZ DE LA LLAVE   +1 more
core  

Six-Port Based Interferometry for Precise Radar and Sensing Applications

open access: yesSensors, 2016
Microwave technology plays a more important role in modern industrial sensing applications. Pushed by the significant progress in monolithic microwave integrated circuit technology over the past decades, complex sensing systems operating in the microwave
Alexander Koelpin   +5 more
doaj   +1 more source

Coherent atomic manipulation and cooling using composite optical pulse sequences [PDF]

open access: yes, 2014
The laser cooling of atoms to ultracold temperatures has propelled many groundbreaking advances in fundamental research and precision measurement, through such applications as quantum simulators and interferometric sensors. Laser cooling remains, however,
Dunning, Alexander
core  

Laser Interferometer Diagnostics of CNC Machine Tools [PDF]

open access: yes, 2014
This paper presents diagnostics of selected CNC machine tools performed with XL80 laser interferometer with XC80 environmental compensation unit, temperature sensors and XR20-W rotary axis calibrator, working together with XL80 laser.
Ivan Kuric   +2 more
core   +1 more source

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