Search results for "Optical spectrum" - New World Encyclopedia

(IR) region of the electromagnetic spectrum. Visible light ranges in ... After Isaac Newton used prisms to split white light into a spectrum ...

in the images of telescopes and other optical instruments. To accomplish ... they always lay in the same place in the spectrum, were an indication of the ...

In computing, sound reproduction, and video, an optical disc is a ... The popularity and rate of adoption of the optical disc medium has ...

light regions of the electromagnetic spectrum. Most optical telescopes ... Optical observatories For optical telescopes, most ground-based observatories ...

invisible region of the electromagnetic spectrum, namely, between wavelengths ... radiation, beyond the red part of the spectrum, through an increase in ...

in other parts of the electromagnetic spectrum and the great advances in ... could exist with any wavelength, not just optical. Several notable scientists ...

The electromagnetic (EM) spectrum is the range of all possible electromagnetic ... The electromagnetic spectrum, shown in the chart, extends from just ...

In optics, a diffraction grating is an optical component with a regular ... * direction of optical axis (optical axis gratings) The grating equation ...

wavelength ranges of the electromagnetic spectrum that are not severely attenuated ... * The Hubble Space Telescope (HST) is the optical Great Observatory ...

In optical telescopes, quasars look like single points of light (i ... identify the object and obtain an optical spectrum using the 200-inch Hale ...

significantly affect the physical and optical properties (especially the ... visible, and near infrared regions of the spectrum. This type of phenomenon ...

helium was first discovered in the spectrum of the Sun and only later ... various segments of the electromagnetic spectrum, as indicated below. ...

toy which he called the "Artificial Spectrum Top," which became ... From Michael’s “Visual Phenomena & Optical Illusions”. ...

However, even at such altitudes, much of the X-ray spectrum is still ... to observe the full range of the X-ray spectrum. Unlike sounding rockets ...

Fluorescence is a luminescence that is mostly found as an optical ... produces light in the blue part of the spectrum, which strikes a phosphor ...

determination of their positions and optical observation of their fading ... HETE-2, it has observed numerous X-ray and optical counterparts to bursts, ...

splitting of white light into a rainbow-spectrum as it passes through a glass ... as rainbows it may also produce peculiar optical phenomena, such as mirages ...

* Optical or infrared: The individual galaxies of clusters can be studied through optical or infrared imaging and spectroscopy. Galaxy clusters ...

Redshift of spectral lines in the optical spectrum of a supercluster of ... frequencies that are obtained from the spectrum of a stationary light source ...

window of frequencies, called the visible spectrum or light, is perceived by ... 039;s law. Light disperses into a visible spectrum as light is shone through ...

devices and is the starting material for optical fibers for the telecommunications ... of the ability of quartz to split light into a spectrum. ...

They typically can amplify across a broad spectrum of frequencies; however ... === Optical amplifiers === Optical amplifier Optical amplifiers amplify ...

several years to complete, employed an optical arrangement now known as ... that most double stars are not mere optical doubles as had been supposed ...

the middle range of the electromagnetic spectrum with moderate frequencies ... In some cases, the gamma emission spectrum for a nucleus (daughter ...

deal with the wave theory of light. His optical work began at an early period ... refraction. A paper "On the Long Spectrum of Electric Light" ...

(photovoltaics). It is used as an infrared optical material for optical windows ... infrared region of the electromagnetic spectrum, and have properties useful ...

body and, if the cavity is heated, the spectrum of the hole's radiation ... An almost perfect black-body spectrum is exhibited by the cosmic ...

Emission of Radiation) is an electronic-optical device that emits coherent ... industry. Their most widespread use is in optical storage devices such as ...

meters, centimeters, and so on). For the optical part of the electromagnetic ... * Electromagnetic spectrum * Electronics * Wave * Wavelength ...

classical stellar sequence, is an optical spectrum dominated by absorption ... colors. Its steeply sloped red optical spectrum also lacks the FeH and ...

meters, centimeters, and so on). For the optical part of the electromagnetic ... * Electromagnetic spectrum * Frequency * Gravity * Light ...

harvard.edu/abs/1997AJ....113..354F An Optical Study of the Circumstellar ... when Rudolf Minkowski found that its optical spectrum was extremely unusual. ...

and so forth. Color derives from the spectrum of light (distribution of ... png|400px|frame|right|Continuous optical spectrum (designed for monitors ...

material for use in lasers and other optical applications. Its evolution ... manufacturers. Therefore, the physical and optical properties of synthesized ...

as is done with the rays of the visible spectrum in light microscopy. However, the wavelength of visible light (about 4000 to 7000 Angstroms ...

and for sophisticated applications in optical communication such as quantum ... In chemistry and optical engineering, photons are usually symbolized ...

A rainbow is an optical and meteorological phenomenon that causes a spectrum of light to appear in the sky when the Sun shines onto droplets ...

Characteristics of gems include their optical properties such as luster ... include its color and any unusual optical phenomena. In addition, ...

ffffff" | Absorption and emission spectrum[[Image:Tyrosine abs flu ... Most amino acids occur in two possible optical isomers, called D and ...

by the region of the electromagnetic spectrum observed: * Optical astronomy is the part of astronomy that uses specialized ...

device that emits incoherent, narrow-spectrum light when it is electrically ... Company developed the first practical visible-spectrum LED. ...

to refer to the entire electromagnetic spectrum or any part thereof. ... optics. The observation and study of optical phenomena such as rainbows ...

In addition, emeralds come in a wide spectrum of clarity, along with various ... stone must have] essentially the same optical, physical, and chemical ...

binaries. Binary stars are not the same as optical double stars, which appear ... from the Sun. The latter are termed optical doubles or optical pairs. ...

exceeded the resolution possible using an optical microscope. ... and Reflection high-energy loss spectrum (RHELS). Another variation ...

jpg|250px|thumb|Global scheme of cloud optical thickness.]] ... within the cloud. In the visible spectrum, blue and green are at the ...

who felt there was a lack of new spectrum to allocate for the Eureka ... protocol (or a modern equivalent) across optical fiber this is in no way ...

(although it is still not a continuous spectrum). Even at full intensity ... deficient red end of the electromagnetic spectrum. These lamps are generally ...

replaced with tapeless solutions like optical disks, hard disk drives ... because the Betamovie models had only optical viewfinders and no playback ...

where a single lens will not provide the optical power, fitting characteristics ... A spherical contact lens is one in which both the inner and outer ...

infrared region of the electromagnetic spectrum. In this case, a synthetically ... original. The process can be thought of as optical amplification, and it forms ...

III) chloride is used in halide lamps, optical fibers, electronic ceramics ... * [http://www.speclab.com/elements/scandium.htm Scandium] SPECTRUM ...

In the theory, electromagnetism is the basis for optical phenomena ... *Electromagnetic spectrum *Electrostatics *Fundamental interaction ...

Different species are able to see different parts of the light spectrum; for example, bees can see into the ultraviolet (Bellingham et al. 1997 ...

that white light is composed of a spectrum of colors and further argued ... prism could decompose white light into a spectrum of colors, and that a lens ...

just beyond the violet end of the visible spectrum were especially effective ... synergetic mechanisms: Radiation in the spectrum of UV-A (wavelength 320 ...

atmosphere, it appears yellow to us. Its spectrum contains lines of ionized ... During early studies of the optical spectrum of the photosphere, some ...

bottles to sophisticated lenses and optical fibers, the multiple uses ... naked eye after centuries, then changes in optical telescope mirrors should ...

The patterns on the retinas are the only optical images found in perception ... to different portions of the visible spectrum. For humans, the visible ...

as intelligent, since its direction, spectrum, and method of communication ... through most of the useful radio spectrum, as there is no way to know ...

harvard.edu/abs/1980A&A....87..152H An optical and radio survey of the ... galaxies has been a major component of optical astronomy. It is also a ...

* Modifying incident spectrum (concentration). * Use of excess thermal ... * Use of infrared spectrum to produce electricity at night. ...

conductivity, whitest color, highest optical reflectivity (except for ... renewed interest in silver as a broad spectrum antimicrobial. In particular ...

properties of a star by observing its spectrum, luminosity and motion through ... abundances of certain elements in their spectrum; especially chromium and ...

photons which have a black body spectrum. This spectrum, unlike those ... The envelope material can be selected and modified (by means of optical ...

etching in semiconductor fabrication and optical coating fabrication, for ... which can be troublesome if they obscure optical instruments or react with ...

from rare single crystals. An absorption spectrum may also be obtained with ... evident in a material's absorption spectrum), and other physical and ...

Ewald were in the visible region of the spectrum and hence much larger than ... way that light waves are diffracted by optical gratings. This simple observation ...

to developmental dyslexia, autism spectrum disorders and schizophrenia ... 20-40 kHz for jewelry, lenses and other optical parts, watches, dental instruments ...

theory that may account for this wider spectrum of observational evidence ... a broad, pancake-like region of transient optical emission centered at an ...

HDTV standard: the Grand Alliance, IEEE Spectrum (4):36–45. On April 6 ... * The optical disc standard Blu-ray Disc (25GB-50GB) can provide enough ...

Historically, tank weapons were aimed through simple optical sights ... nations use laser range-finders but optical and reticule range-finders ...

is scattered from excitations with optical frequencies different from ... * "Acoustic Spectrum of Liquids," Nature (London), 1937 ...

form into a ring system. Data from a deep optical survey by the Advanced Camera ... objects have satellites; and Eris' spectrum suggests that it has a similar ...

containing vaccines and autistic spectrum disorder: a critical review ... still used in medicine and acousto-optical filters * Mercury(II) chloride ...

the attack come from across the political spectrum, from far left to far right ... raid. The city contained the Zeiss-Ikon optical factory and the Siemens ...

alcohol), Geometric (Maleic acid), and Optical (L-Lactic acid). ... involving the number three. The whole spectrum of possibilities based on ...

Authors and filmmakers draw on a wide spectrum of ideas, but marketing ... |publisher=National Optical Astronomy Observatory |date=2003-02-11 ...

Hearts and Arrows viewers is the Angular Spectrum Evaluation Tool (ASET) which ... An uncut diamond does not show its prized optical properties.]] ...