Products/Services for Etalon Pressure Micrometers

  • Micrometers-Image
    Micrometers - (258 companies)
    Last revised: January 7, 2025 Mechanical micrometers are instruments for precision dimensional gaging consisting of a ground spindle and anvil mounted in a C-shaped steel frame. They are available in Vernier scale, digital and dial variations...
  • Etalons-Image
    Etalons - (19 companies)
    Etalons are two flat glass plates separated by a parallel spacer, with the inner surfaces of the plates coated with a partially reflecting layer. Fabry-Perot etalons (simply called etalons) are wavelength selecting optical devices that are based...
  • Optical Micrometers and Laser Micrometers-Image
    Optical Micrometers and Laser Micrometers - (72 companies)
    Laser micrometers measure extremely small distances using laser technology. Laser micrometers are used in both laboratory and production settings. In production setting, CCD or shadow based laser micrometers provide accurate results when gaging high...
  • Pressure Sensors-Image
    Pressure Sensors - (1185 companies)
    Pressure sensors include all sensors, transducers and elements that produce an electrical signal proportional to pressure or changes in pressure. The device reads the changes in pressure, and then relays this data to recorders, controllers...
  • Pressure Switches-Image
    Pressure Switches - (759 companies)
    Pressure switches are actuated by a change in the pressure of a liquid or gas. They activate electromechanical or solid-state switches upon reaching a specific pressure level. Pressure switches are actuated by a change in the pressure of a liquid...
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    Pressure Regulators - (1232 companies)
    Pressure regulators are used to maintain a constant outlet pressure or flow. Pressure regulators are used to reduce the pressure in a system to a lower pressure or to regulate system pressure at the desired value. Among the types of pressure...
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    Pressure Gauges - (1160 companies)
    Pressure gauges are used for a variety of industrial and application-specific pressure monitoring applications. Uses include visual monitoring of air and gas pressure for compressors, vacuum equipment, process lines and specialty tank applications...
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    Pressure Instruments - (284 companies)
    Pressure instruments are used to measure, monitor, record, transmit or control pressure. There are several types of devices. Recorders are used to measure values or accumulate totals. Controllers are used to regulate positive or negative (vacuum...
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    Pressure Relief Valves - (1007 companies)
    Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line. Pressure relief valves are designed to provide protection from over-pressure in steam, gas, air, and liquid lines. Relief valves...
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    Pressure Controllers - (276 companies)
    Pressure controllers accept input from pressure sensors, transmitters, gauges, and other devices and subsequently control adjustment to the pressure to maintain or achieve the desired pressure level. Pressure controllers are used to regulate...

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  • A new Fabry-Perot interferometer for upper atmosphere research
    The system is composed of the following major components: a sky scanner, collimation and filter wheel assembly, etalon and etalon chamber, focusing lens and computer controlled micrometer , CCD detector, thermal control, and pressure piston.
  • Interferometric Stellar Oscillation Spectrometry
    Changes in temperature, pressure and relative humidity will affect the capacitance micrometer error detectors, which are used to sense spacing and parallelism ofthe etalon , and alter the balance conditions for the servo-control system.
  • Servo-Control Of Fabry-Perot Interferometers I-Technique
    The overall system performance depends to some extent on the etalon parameters and the degree to which temperature, pressure and humidity affect the dielectric constant of the medium between the plates of the capacitance micrometer error detectors, and the refractive index of…
  • The application of capacitance micrometry to the control of Fabry-Perot etalons
    The overall system performance depends to some extent on the etalon parameters and the degree to which temperature. pressure and humidity affect the dielectric constant of the medium between the plates of the capacitance micrometer error detectors. and the refractive index of…
  • A stable, rugged, capacitance-stabilised piezoelectric scanned Fabry-Perot etalon
    In multiple etalon applications, the medium and low resolution etalons often have to be rapidly and independently scanned or stepped, essentially precluding the use of pressure scanning, which has been used successfully in single etalon systems (i.e. Hays et a1 1970). .... The capacitance micrometer technique, as described in a refined form by Jones and Richards (1973), has already…
  • Broadband optical ultrasound sensor with a unique open-cavity structure
    For example, no electrical connections are re- quired near an optical ultrasound sensor and, in most of the optical techniques employed, micrometer -size resolution can be obtained by scanning … sen- sor surface.9 A Fabry–P´erot ´ etalon is one of the … a Fabry–P´erot ´etalon ultrasound sensor is based on modulation of optical cavity length by ultrasonic pressure wave.
  • First observation of mesospheric and thermospheric winds by a Fabry-Perot interferometer in China
    The F-P etalon has a clear aperture of 100 mm diameter and is situated in a .... The pressure and temperature of the chamber are precisely con- trolled by pressure- and temperature-controlled systems. .... The auto-focused lens system has a focus lens on a mi- crometer , which is driven by the control computer.
  • Recent progress in fibre optic low-coherence interferometry
    …white-light interferometric sensor for high hydrostatic pressure measurements Proc. 9th Int. Conf. on Optical Fibre Sensors (Florence, Italy) pp 135–8 Boheim G 1986 Fibre optic thermometer using semiconductor etalon sensor Electron. Lett. 22 … ——1987 Fibre-linked interferometric pressure sensor Rev. Sci. .... 2975–9 Danielson B L and Whittenberg C D 1987 Guilded-wave reflectometry with micrometre resolution Appl. Opt…
  • Interferometry Through Single-Mode Optical Fibers
    Such flexible fiber etalons may be more convenient for tunable fiber Raman and Brillouin lasers5, and also for improved sensiti- vity in temperature and pressure sensing. .... described was a Type T -110 step -index fiber with a 4.5 micrometer diameter fused -silica…
  • Infrared Analytical Instrumentation With Tunable Diode Lasers
    Ratioed spectra of a 16 micrometer CO2 line showing pressure dependence of line - width. .... 0 ETALON scnv, .


Product Announcements
Pratt & Whitney Measurement Systems, Inc.
Pratt & Whitney Measurement Systems, Inc.
Pratt & Whitney Measurement Systems, Inc.