Fabry-Perot - Factbites

Fabry-Perot - Factbites
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Topic: Fabry-Perot

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	Fabry-Perot Interferometer
		Fabry Perot Interferometer (Photo courtesy of Burleigh Instruments, Inc.) We use the Fabry Perot interferometer in the Rayleigh Scattering Velocity and Temperature diagnostics work.
		The Fabry Perot is a high resolution, high throughput optical spectrometer that works on the principle of constructive interference.
		We use the Fabry Perot Interferometer in a number of ways.
	www.lerc.nasa.gov /WWW/OptInstr/fpi.html (250 words)

	Fabry-Perot interferometer - Wikipedia, the free encyclopedia
		It is named after Charles Fabry and Alfred Pérot.
		The most frequent industrial use of etalons is in data transmission.
	en.wikipedia.org /wiki/Fabry-Perot_interferometer (585 words)

	Fabry-Perot Interferometer
		In the Fabry - Perot interferometer, the multiple beam interference fringes from a plane parallel plate illuminated near normal incidance are used.
		Until the development of all-dielectric multi-layer reflection coatings, which have low light-loss coefficients, the Fabry - Perot interferometer had very little application to the spectrometry of faint light sources, although it was used by Fabry and Buisson as early as 1911 on the relatively bright Orion nebula, though with lossy metallic layers.
		In this way, Fabry and Perot were able to observe directly the fine structure of spectral lines which Michelson could only infer, and the Fabry-Perot interferometer has since played a dominant role in this branch of spectroscopy.
	www.physics.metu.edu.tr /~mdogruel/pro443.htm (1816 words)

	Fabry-Perot-Laser - netlexikon
		Der Fabry-Perot-Laser ist nach den französischen Physikern Charles Fabry und Alfred Pérot benannt.
	www.lexikon-definition.de /Fabry-Perot-Laser.html (145 words)

	perot: Chris' List - Political Parties
		Fabry-Perot Interferometer This interferometer makes use of multiple reflections between two.
		From the start, Perot and GM head Roger Smith quarreled, and Perot criticized the quality of GM automobiles.
		Henry Ross Perot (born June 27, 1930) is an American.
	www.auxsemellesdevent.com /perot.html (236 words)

	The Fabry-Perot Etalon
		The Fabry-Perot interferometer, designed in 1899 by C. Fabry and A.
		The difference between the two lies in the fact that the Fabry-Perot design contains plane surfaces that are all partially reflecting so that multiple rays of light are responsible for creation of the observed interference patterns.
		Perot, represents a significant improvement over the Michelson interferometer.
	www.phy.davidson.edu /StuHome/cabell_f/diffractionfinal/pages/Fabry.htm (1340 words)

	Sacher Lasertechnik Group - Fabry Perot Diode Laser
		Fabry Perot Diode Lasers are the most common type of diode lasers.
		Depending on the chip length, Fabry Perot lasers operate longitudinally single- or multimode.
		Sacher Lasertechnik Group - Fabry Perot Diode Laser
	www.sacher-laser.com /FP_Info.php (179 words)

	OSIRIS - A brief history of Fabry Perot and Tunable Filters
		The design well matches with high spatial resolution of Subaru: 0 inch.06 pixel-1 in Fabry- Perot mode, for which we actually will use binning before adaptive optics at optical wavelengths becomes available, and 0 inch.1 lens-1 in microlens array mode.
		Fabry is born (1867-1945) Specialized in optics, devising methods for the accurate measurement of interference effects.
		In 1913, Fabry demonstrated that ozone is plentiful in the upper atmosphere and is responsible for filtering out ultraviolet radiation from the Sun, protecting life on the surface of Earth from most of its harmful effects (from
	www.iac.es /project/OSIRIS/OSISCI/historytunable.htm (2227 words)

	Fabry Perot transmission
		The FP transmission is determined by using scans of strong lines with both the grating and the Fabry Perot.
		Comparing the output of the detectors for these scans of the same line for grating and Fabry Perot gives the the Fabry Perot transmission at the wavelengths of the lines.
		Next: Calibration sources and Up: Relative Response calibration Previous: Fabry Perot relative
	ast.star.rl.ac.uk /isouk/iso/lws/ldum/node50.html (78 words)

	Fabry Perot – Optarius – specialist in the supply of optical components
		Fabry Perot – Optarius – specialist in the supply of optical components
		For more Fabry Perot information from Optarius.co.uk, please follow the link below to visit our main site.
		Optarius is a supplier of optical components with extensive manufacturing contacts throughout Europe, North America and East Asia.
	www.optarius.co.uk /Fabry_Perot.html (175 words)

	Terminologie des fibres optiques et stratégie des sociétés de télévision par câble;
		Les ouvrages consultés mentionnent tous "cavité de Fabry-Pérot" sauf un seul (MAIL-E/F) qui emploie le terme "cavité de Perot- Fabry".
	www.termisti.refer.org /data/fibro/27.htm (377 words)

	Patent 4825262: Fabry-perot interferometer
		A Fabry-Perot interferometer having two reflective surfaces in which one of the reflective surfaces is provided on a diaphragm mounted by a hinge assembly to a support wherein the diaphragm and the hinge assembly are integral with the support, and the support, diaphragm and hinge assembly are made form a single crystal.
		A typical Fabry-Perot interferometer comprises a pair of substantially parallel reflective surfaces which are spaced apart to define a gap, at least one of the surfaces being movable relatively to the other to vary the size of the gap.
		An interferometer according to claim 5 further comprising control means responsive to control signals to cause the diaphragm to move relatively to the support towards and away from the other reflective surface.
	www.freepatentsonline.com /4825262.html (377 words)

	LEOT Laser Tutorial - Course 10: Laser/Electro-Optic Measurements - Module 5: Fabry-Perot Interferometers
		The reflectivity of the mirrors’ surfaces of a Fabry-Perot interferometer is 95 percent.
		For practical application, mode-degenerate interferometers are generally used because optical alignments are not as critical as in general nondegenerate spherical mirror interferometers.
		Use the interferometer to determine the longitudinal mode spacing of the helium-neon laser and the number of longitudinal modes which are lasing.
	repairfaq.ece.drexel.edu /sam/CORD/leot/course10_mod05/mod10-05.html (377 words)

	Fabry-Perot interferometer - Wikipedia, the free encyclopedia
		In optics, a Fabry-Perot interferometer or etalon is typically made of a transparent plate with two reflecting surfaces, or two parallel highly-reflecting mirrors.
		A Fabry-Perot interferometer differs from a Fabry-Perot etalon in the fact that the distance l between the plates can be tuned in order to change the wavelengths at which transmission peaks occur.
		Fabry-Perot interferometers or etalons are used in optical
	en.wikipedia.org /wiki/Fabry-Perot (377 words)

	fabryperot.htm
		The Fabry-Perot interferometer consists of two mirrors with reflectance R and transmittance 1-R One of the mirrors is positioned on a translation stage.
		In this example we use the Fabry-Perot interferometer to measure the Zeeman splitting of the green line from a low-pressure Hg lamp.
		The low-pressure Hg-lamp is placed between the poles of a magnet to produce a magnetic field of 0 < B < 0.25 Tesla.
	www.tn.utwente.nl /inlopt/optsim/fabryperot/fabryperot.htm (377 words)

	Detunable Fabry-Perot interferometer and an add/drop multiplexer using the same - US Patent 6747775
		The Fabry-Perot interferometer according to claim 1, wherein the second mirror is affixed to a compliant optical support, wherein at least a portion of the compliant optical support comprises silicon, and another portion of the compliant optical support comprises a compliant material.
		The Fabry-Perot interferometer according to claim 1, wherein the first mirror is fixed, and the second mirror is movable by the actuator to adjust the gap between the first and second mirrors.
		The Fabry-Perot interferometer according to claim 11, wherein at least a portion of the actuator is attached to the island.
	www.patentstorm.us /patents/6747775.html (377 words)

	The Fabry-Perot Interferometer at Millimetre Wavelengths
		Since the interferometer is the free space analogue of the cavity wavemeter it is particularly suitable for measurements on materials of low loss tangent at millimetre wavelengths.
		Finally, the use of the interferometer for length measurements is mentioned, and also its possible use for the accurate determination of the velocity of electromagnetic waves.
		The effects of diffraction on the interferometer are discussed and wavelength measurements made at various positions.
	stacks.iop.org /0370-1301/66/597 (377 words)

	Fabry-Perot Interferometer
		The Fabry-Perot Interferometer makes use of multiple reflections which follow the interference condition for thin films.
		The large number of interfering rays produces an interferometer with extremely high resolution, somewhat like the multiple slits of a diffraction grating increase its resolution.
		The interferometer can also be characterized by its free spectral range, the change in wavelength necessary to shift the fringe system by one fringe:
	hyperphysics.phy-astr.gsu.edu /hbase/phyopt/fabry.html (377 words)

	Optical regenerator using bistable fabry-perot interferometer - US Patent 5349593
		When the present device is in the mode of the differential amplification, the slope of the characteristic curve is determined by the resonance properties of the non-linear Fabry-Perot interferometer 10 and, to a greater extent, 20 and 30 of the signal generation section C2.
		(the phase angle of detuning of the non-linear Fabry-Perot interferometer C1) and.THETA.
		The phase modulator 10 together with mirrors 21 and 31 forms a non-linear Fabry-Perot interferometer C1.
	www.patentstorm.us /patents/5349593.html (377 words)

	Fabry-Perot Interferometer
		Fabry Perot Interferometer (Photo courtesy of Burleigh Instruments, Inc.) We use the Fabry Perot interferometer in the Rayleigh Scattering Velocity and Temperature diagnostics work.
		The Fabry Perot is a high resolution, high throughput optical spectrometer that works on the principle of constructive interference.
		We use the Fabry Perot Interferometer in a number of ways.
	www.grc.nasa.gov /WWW/OptInstr/fpi.html (377 words)

	Fabry-Perot interferometer
		The design was conceived by French physicists Charles Fabry and Alfred Pérot (1863-1925) in the late nineteenth century.
		A type of optical interferometer that, when placed in front of the diffraction grating in a spectrograph, can reveal fine details in the spectrum of a galaxy, nebula, or other extended object that are beyond the scope of a grating alone.
		Light from an object is passed through an etalon - a pair of partially-silvered, parallel glass plates separated by an adjustable air space - that uses interference to transmit only a narrow range of wavelengths.
	www.daviddarling.info /encyclopedia/F/Fabry-Perot_interferometer.html (377 words)

	Patent 5162872: Tilt/shear immune tunable fabry-perot interferometer
		The Mallison patent relates to a Fabry-Perot interferometer in which one of the reflective surfaces is affixed on a diaphragm mounted by a hinge assembly to a support.
		A conventional Fabry-Perot interferometer promotes multiple interference using: focusing optics, two glass plates, two partially transmitting silver layers, an image plane, and a frame upon which the other elements are fixed.
		The conventional Fabry-Perot interferometer functions well as long as the frame holds the optical elements in alignment.
	www.freepatentsonline.com /5162872.html (377 words)

	Fabry Perot Interferometer
		The Fabry Perot is very suitable to measure the distance of two wavelengths close together.
		The sharpness of the rings depends on the finesse of the Fabry Perot.
		In the first experiment the 550 nm line is split by some means (Zeeman effect) and measured by variation of the distance, d, between the mirrors.
	tnweb.tn.utwente.nl /inlopt/computer_practicum/help/FabryPerotIntro.htm (377 words)

	Millstone Hill Fabry Perot Interferometer
		The Millstone Hill Fabry Perot interferometer is operated by MIT in cooperation with the University of Pittsburgh.
		The interferometer is located near the Millstone Hill incoherent scatter radar at latitude 42 degrees 37 minutes North (42.62) and longitude 71 degrees 27 minutes West (-71.45).
		For nights in which the quality of the vertical measurements is poor, or in which there are not enough vertical measurements for a good smoothed reference, the vertical measurements may be supplemented by an average of measurements in opposite directions.
	www.haystack.mit.edu /mhrobs/fpi.html (377 words)

	PIRA 6D40.00 INTERFEROMETERS
		A long path interferometer uses corner reflectors instead of mirrors and the output beam is directed onto a photodetector feeding an audio oscillator.
		Use a laser with the Michelson interferometer and expand the exit beam with a microscope objective.
		Use a long path interferometer to demonstrate the coherence length is at least 12 m.
	www.physics.ncsu.edu /pira/6optics/6D40.html (377 words)

	The Fabry Perot interferometer
		In 1982, a Fabry Perot interferometer (FPI) was installed at Halley, and has operated nearly continuously since then during periods of darkness.
		Next: TULA Up: The Antarctic experimental Previous: The Advanced Ionospheric
	wdcc1.bnsc.rl.ac.uk /gbdc/bluebook/basgbdc/node7.html (124 words)

	Medical Lasers and Endoscopy
		A contact ultrasound sensing technology based upon the detection of acoustically-induced changes in the optical thickness of a Fabry Perot polymer film sensing interferometer has been developed as an alternative to piezoelectric based detection methods for ultrasonic measurement and imaging applications in medical and industrial fields.
		To assist users of text-based browsers, and those where scripting is disabled, the complete UCL Online menu is provided below:
	www.medphys.ucl.ac.uk /research/mle/us-detection/us-overview.htm (381 words)

	Fabry-Perot Interferometer
		In the Fabry - Perot interferometer, the multiple beam interference fringes from a plane parallel plate illuminated near normal incidance are used.
		Until the development of all-dielectric multi-layer reflection coatings, which have low light-loss coefficients, the Fabry - Perot interferometer had very little application to the spectrometry of faint light sources, although it was used by Fabry and Buisson as early as 1911 on the relatively bright Orion nebula, though with lossy metallic layers.
		In this way, Fabry and Perot were able to observe directly the fine structure of spectral lines which Michelson could only infer, and the Fabry-Perot interferometer has since played a dominant role in this branch of spectroscopy.
	www.physics.metu.edu.tr /~mdogruel/pro443.htm (381 words)

	Fiber-optic interferometer Fabry-Perot
		In fiber optic interferometer Fabry-Perot the interference occurs at the partially reflecting end face surface of the fiber and an external mirror.
		Generally, the intensity of interfering rays can be essentially different (for example, in a fiber optic interferometer where the intensity of the beam reflected from the end face of the fiber about an order of magnitude less than the intensity of the radiation reflected from the mirror and returned back into the fiber).
		Additionally, such interferometer is not sensitive to electro-magnetic interference and can be used in hostile environment.
	physics.nad.ru /sensors/English/interf.htm (381 words)

	MICOS GmbH - MACPhotonX > Campus > CA-1140
		The final application of the Fabry Perot interferometer is the use as a spectrum analyzer for light, the scanning Fabry Perot.
		For this purpose the Fabry Perot Resonator has been chosen because it is the most important and used of all laser resonators.
		The time resolved signals of the Fabry Perot will be shown synchronized to the piezo displacement on a oszilloscope (optional available).
	www.micos.ws /CA_1140.html (381 words)

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Topic: Fabry-Perot

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In the News (Fri 25 Dec 09)