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searching for Absorption band 103 found (135 total)

VNIR (316 words) [view diff] exact match in snippet view article find links to article

water absorption band between 1400 and 1500 nm. Some definitions also include the short-wavelength infrared band from 1400 nm up to the water absorption band

Tetrabromonickelate (827 words) [view diff] exact match in snippet view article find links to article

nitromethane. In the visible absorption spectrum there is a strong absorption band termed ν3 near 710 nm which is caused by an electronic transition from

V-type asteroid (764 words) [view diff] exact match in snippet view article find links to article

has been suggested for asteroids having a particularly strong 1 μm absorption band similar to diogenite meteorites, likely being derived from deeper parts

Electro–optic effect (879 words) [view diff] exact match in snippet view article find links to article

semiconductor quantum wells Electrochromic effect: creation of an absorption band at some wavelengths, which gives rise to a change in colour b) change

Photoexcitation (693 words) [view diff] exact match in snippet view article find links to article

with different absorption bands. In a cis-form of BIPS, the transient absorption band has a value of 21050 cm−1, in contrast to the band from the trans-form

754 Malabar (351 words) [view diff] exact match in snippet view article find links to article

a Ch-class asteroid in the Bus asteroid taxonomy, showing a broad absorption band in its carbonaceous spectrum near a wavelength of 0.7 μm. This feature

X-type asteroid (424 words) [view diff] exact match in snippet view article find links to article

spectra Xe-type of asteroids whose spectra contain a moderately broad absorption band around 0.49 μm. It has been suggested that this indicates the presence

234 Barbara (542 words) [view diff] exact match in snippet view article find links to article

class of asteroids called "Barbarians" that display a strong infrared absorption band at 2μm, which is a characteristic of an FeO–enriched spinel mineral

Fluoride glass (1,328 words) [view diff] exact match in snippet view article find links to article

environmental attacks. Fluoride glasses' best attribute is that they lack the absorption band associated with the hydroxyl (-OH) group (3.2–3.6 micrometers) which

Plastocyanin family of copper-binding proteins (502 words) [view diff] exact match in snippet view article find links to article

single copper atom and that are characterised by an intense electronic absorption band near 600 nm (see copper proteins). The most well-known members of this

Ruby laser (1,713 words) [view diff] exact match in snippet view article find links to article

because ruby's high-powered beam closely matches diamond's broad absorption band (the GR1 band) in the red. Ruby lasers have declined in use with the

Polypyridine complex (343 words) [view diff] exact match in snippet view article find links to article

withdrawal, and π-conjugating groups, to the polypyridine moiety. The MLCT absorption band can be shifted, the emission wavelength can be changed, and the emission

Diarylethene (1,161 words) [view diff] exact match in snippet view article find links to article

in pump-probe experiments by virtue of its long wavelength optical absorption band. Although both the E-Z isomerization and the 6π electrocyclization

F-center (2,747 words) [view diff] exact match in snippet view article find links to article

in optical absorption can easily be detected and studied.: 5 The absorption band of F centers in sodium chloride is located around blue light, giving

Chromium(I) hydride (1,728 words) [view diff] exact match in snippet view article

absorbed. When many of these frequencies cluster together in a group, an absorption band results. An ultraviolet spectral band between 360 and 370 nm was discovered

Cytochrome (1,107 words) [view diff] exact match in snippet view article find links to article

heme proteins on the basis of the position of their lowest energy absorption band in their reduced state, as cytochromes a (605 nm), b (≈565 nm), and

Infrared gas analyzer (748 words) [view diff] exact match in snippet view article find links to article

interference. This interference is from gases with a principal lower absorption band that is the same as the principal band of the gas being measured. For

Nitrate radical (497 words) [view diff] exact match in snippet view article find links to article

800 nm following excitation at 661.8 nm. In water solution, another absorption band appears at about 330 nm (ultraviolet). An excited state NO* 3 can be

Tanabe–Sugano diagram (2,288 words) [view diff] exact match in snippet view article find links to article

is in accordance with the single absorption band in a UV-vis experiment. The prominent shoulder in this absorption band is due to a Jahn–Teller distortion

Tricarbon monosulfide (604 words) [view diff] exact match in snippet view article find links to article

38000 MHz and D0 = 0.00022416. There is a characteristic infrared absorption band at 2047.5 cm−1 due to stretching of a C=C bond. Along with the related

Color of chemicals (751 words) [view diff] exact match in snippet view article find links to article

the energy gap between the HOMO and LUMO to decrease, bringing the absorption band from the UV to the visible region. Similarly, color is due to the energy

Precipitable water (427 words) [view diff] exact match in snippet view article find links to article

measurement of the solar irradiance on two wavelengths, one in a water absorption band, and the other not. The precipitable water column is determined using

Megha-Tropiques (1,065 words) [view diff] exact match in snippet view article find links to article

Humidity (SAPHIR) is a sounding instrument with six channels near the absorption band of water vapor at 183 GHz. These channels provide relatively narrow

90482 Orcus (3,594 words) [view diff] exact match in snippet view article find links to article

deep water ice absorption band at 1.65 μm, which is evidence of the crystalline water ice on the surface of Orcus, and a new absorption band at 2.22 μm.

Transmittance (1,129 words) [view diff] exact match in snippet view article find links to article

Note the two broad blue and green absorption bands and one narrow absorption band on the wavelength of 694 nm, which is the wavelength of the ruby laser

Yttrium aluminium garnet (2,525 words) [view diff] exact match in snippet view article find links to article

stable, requiring more precisely controlled temperatures. The best absorption band of Nd:YAG for pumping the laser is centered at 807.5 nm, and is 1 nm

Intervalence charge transfer (363 words) [view diff] exact match in snippet view article find links to article

The Creutz–Taube complex exhibits an intense absorption band at 1570 nm attributed to a intervalence charge-transfer band.

Don L. Anderson (2,700 words) [view diff] case mismatch in snippet view article find links to article

wavespeeds and anelasticity (Q) and applied this to the mantle and core (Absorption Band Model). Developed methods for inverting surface waves for anisotropic

Electromagnetic absorption by water (3,117 words) [view diff] exact match in snippet view article find links to article

will show both vibrational and rotational fine structure. Infrared absorption band positions may be given either in wavelength (usually in micrometers

Vanadyl nitrate (964 words) [view diff] exact match in snippet view article find links to article

releasing nitric acid. The ultraviolet spectrum of the liquid shows an absorption band peaking at 208 nm with a shoulder at 242 nm. At 55 °C the gaseous vanadyl

Pale Blue Dot (2,804 words) [view diff] exact match in snippet view article find links to article

wide-angle photograph was taken with the darkest filter (a methane absorption band) and the shortest possible exposure (5 milliseconds), to avoid saturating

Asteroid spectral types (2,036 words) [view diff] exact match in snippet view article find links to article

classification, the survey introduced a new "Caa-type", which shows a broad absorption band associated indicating an aqueous alteration of the body's surface.

Lapis lazuli (2,884 words) [view diff] exact match in snippet view article find links to article

the sodalite structure. The S•− 3 radical anion exhibits a visible absorption band in the range 595–620 nm with high molar absorptivity, leading to its

Greenhouse gas (8,052 words) [view diff] exact match in snippet view article find links to article

scattering at different wavelengths of electromagnetic waves. The largest absorption band of carbon dioxide is not far from the maximum in the thermal emission

Imidogen (1,110 words) [view diff] exact match in snippet view article find links to article

high-resolution high-signal-to-noise spectra of the NH A3Π→X3Σ (0,0) absorption band near 3358 Å. A temperature of about 30 K (−243 °C) favored an efficient

Dioptase (988 words) [view diff] exact match in snippet view article find links to article

responsible for the mineral's color and magnetic properties. A broad visible absorption band at 752 nm is observed. Dioptase is anti-ferromagnetic at low temperatures

OV1-86 (1,166 words) [view diff] exact match in snippet view article find links to article

body-mounted Dicke radiometer that measured in the 60-gHz molecular oxygen absorption band Up to two hours of radiometric data could be stored on magnetic tape

OV1-86 (1,166 words) [view diff] exact match in snippet view article find links to article

body-mounted Dicke radiometer that measured in the 60-gHz molecular oxygen absorption band Up to two hours of radiometric data could be stored on magnetic tape

Uranyl (1,868 words) [view diff] exact match in snippet view article find links to article

on the blue edge of the visible spectrum. The exact location of the absorption band and NEXAFS bands depends on the nature of the equatorial ligands. Compounds

Ruby (3,770 words) [view diff] exact match in snippet view article find links to article

two broad violet and yellow-green absorption bands and one narrow absorption band at the wavelength of 694 nm, which is the wavelength of the ruby laser

DPPH (639 words) [view diff] exact match in snippet view article find links to article

indicator of the radical nature of that reaction. Because of a strong absorption band centered at about 520 nm, the DPPH radical has a deep violet color

Fused quartz (2,394 words) [view diff] exact match in snippet view article find links to article

(20–30 °C) Transmission range: Cutoff – 160 to 5000 nm, with a deep absorption band at 2730 nm. Best transmittance – 180 to 2700 nm. Stress-optic coefficients:

Dirhenium decacarbonyl (1,179 words) [view diff] exact match in snippet view article find links to article

positions. The mean C-O distance is 1.16 Å. This compound has a broad IR absorption band at 1800 cm−1 region can be assigned to two components centered at 1780

Satellite temperature measurement (2,648 words) [view diff] exact match in snippet view article find links to article

to make measurement in three channels in the 15 μm carbon dioxide absorption band. The three channels use the same frequency but different carbon dioxide

Diffuse sky radiation (1,964 words) [view diff] exact match in snippet view article find links to article

approximately 380 to 740 nanometers (nm), shows the atmospheric water absorption band and the solar Fraunhofer lines. The blue sky spectrum contains light

2-Norbornyl cation (5,919 words) [view diff] exact match in snippet view article find links to article

acidic solvents show an absorption band at 3110 cm-1 indicative of an electron-depleted cyclopropane ring. Since that absorption band would be expected in

Iron(I) hydride (2,125 words) [view diff] exact match in snippet view article

number J takes on values 1/2, 3/2, 5/2, and 7/2. FeH has an important absorption band (called the Wing-Ford band) in the near infrared with a band edge at

Jacques-Louis Soret (504 words) [view diff] exact match in snippet view article find links to article

for the element's discovery. The Soret peak or Soret band, a strong absorption band at approximately 420 nm in the absorption spectra of hemoglobin, is

Polythiophene (5,327 words) [view diff] exact match in snippet view article find links to article

requires the synthesis of regioregular PTs of defined length. The absorption band in the visible region is increasingly red-shifted as the conjugation

(208996) 2003 AZ84 (1,864 words) [view diff] exact match in snippet view article

although 2003 AZ84 has a lower albedo. Both bodies also have a weak absorption band near 2.3 μm, which may be caused by ammonia hydrate or methane ice

Ultraviolet–visible spectroscopy (4,407 words) [view diff] exact match in snippet view article find links to article

that are measured. These include spectral interferences caused by absorption band overlap, fading of the color of the absorbing species (caused by decomposition

Photodynamic therapy (9,498 words) [view diff] exact match in snippet view article find links to article

(UV-VIS) spectrum. The spectrum typically consists of an intense, narrow absorption band (ε > 200000 L⋅mol−1 cm−1) at around 400 nm, known as the Soret band

Malachite green (1,766 words) [view diff] exact match in snippet view article find links to article

color. The intense green color of the cation results from a strong absorption band at 621 nm (extinction coefficient of 105 M−1 cm−1). Malachite green

Tetraphenylporphyrin (948 words) [view diff] exact match in snippet view article find links to article

Cu(TPP) Zn(TPP)Lx VO(TPP) Fe(TPP)Cl Tetraphenylporphyrin has a strong absorption band with maximum at 419 nm (so called Soret band) and four weak bands with

Molecular vibration (2,706 words) [view diff] exact match in snippet view article find links to article

Dunham expansion is used. In an infrared spectrum the intensity of an absorption band is proportional to the derivative of the molecular dipole moment with

1122 Neith (949 words) [view diff] exact match in snippet view article find links to article

the Tholen taxonomy. The asteroid's surface shows a strong 0.96 μm absorption band (depth of 24%) and a steep slope in the near-infrared region, typical

Near-infrared spectroscopy (3,748 words) [view diff] exact match in snippet view article find links to article

typically 10–100 times weaker than the corresponding fundamental mid-IR absorption band.) One advantage is that NIR can typically penetrate much further into

Potassium permanganate (4,788 words) [view diff] exact match in snippet view article find links to article

permanganate anion, which gets its color from a strong charge-transfer absorption band caused by excitation of electrons from oxo ligand orbitals to empty

367943 Duende (2,341 words) [view diff] exact match in snippet view article find links to article

with little or no concave-up curvature related to a 1 μm silicon absorption band. Time-series photometry was also obtained in the Observatorio de La

Microwave (6,963 words) [view diff] exact match in snippet view article find links to article

band during World War 2, it was not known that there was a nearby absorption band (due to water vapor and oxygen in the atmosphere). To avoid this problem

Trisulfur (1,331 words) [view diff] exact match in snippet view article find links to article

transition to the X2B1 electronic state in the ion, causing a strong absorption band at 610–620 nm or 2.07 eV (in the orange region of the visible spectrum)

Sapphire (7,537 words) [view diff] exact match in snippet view article find links to article

absorption/transmission features in the visible spectrum. This is an absorption band in the yellow (~590 nm), along with valleys of transmission in the

Trace Gas Orbiter (4,328 words) [view diff] exact match in snippet view article find links to article

Lukashevskaya, A. (1 July 2020). "First observation of the magnetic dipole CO2 absorption band at 3.3 μm in the atmosphere of Mars by the ExoMars Trace Gas Orbiter

Infrared (8,501 words) [view diff] exact match in snippet view article find links to article

070 K (3,591–1,797 °C) Goes up to the wavelength of the first water absorption band, and commonly used in fiber optic telecommunication because of low

Reionization (4,586 words) [view diff] exact match in snippet view article find links to article

limit are stretched, and will in effect begin to fill in the Lyman absorption band. This means that instead of showing sharp spectral absorption lines

Mercury cadmium telluride (2,636 words) [view diff] exact match in snippet view article find links to article

326421.. Finkman, E.; Schacham, S. E. (1984). "The exponential optical absorption band tail of Hg1−xCdxTe". Journal of Applied Physics. 56 (10): 2896. Bibcode:1984JAP

Optical amplifier (5,216 words) [view diff] exact match in snippet view article find links to article

and is generally used where low-noise performance is required. The absorption band is relatively narrow and so wavelength stabilised laser sources are

Optical fiber (11,919 words) [view diff] exact match in snippet view article find links to article

environmental attacks. Their best attribute is that they lack the absorption band associated with the hydroxyl (OH) group (3,200–3,600 cm−1; i.e., 2

Atomic absorption spectroscopy (4,815 words) [view diff] exact match in snippet view article find links to article

contrast, is much broader, so that it is more likely that some molecular absorption band will overlap with an atomic line. This kind of absorption might be

Electron paramagnetic resonance (6,590 words) [view diff] exact match in snippet view article find links to article

water, and water (due to its electric dipole moment) has a strong absorption band in the microwave region used in EPR spectrometers.[citation needed]

Faith Vilas (748 words) [view diff] exact match in snippet view article find links to article

pioneer in the identification of hydrated minerals through use of an absorption band near 700 nm. This absorption has been incorporated into the most recent

2 Pallas (4,352 words) [view diff] exact match in snippet view article find links to article

being slightly brighter in towards the blue. There is only one clear absorption band in the 3-micron part, which suggests an anhydrous component mixed with

Green fluorescent protein (7,456 words) [view diff] exact match in snippet view article find links to article

(except mKalama1) contain the Y66H substitution.They exhibit a broad absorption band in the ultraviolet centered close to 380 nanometers and an emission

Iodine (11,803 words) [view diff] exact match in snippet view article find links to article

hydrocarbons to give bright violet solutions. In these solvents the absorption band maximum occurs in the 520 – 540 nm region and is assigned to a π* to

Raman spectroscopy (9,829 words) [view diff] exact match in snippet view article find links to article

net dipole moment change during the vibration, producing a strong IR absorption band. Conversely, relatively neutral bonds (e.g. C-C , C-H , C=C) suffer

Trimethyldiborane (1,352 words) [view diff] exact match in snippet view article find links to article

the methyls. The infrared spectrum of trimethyldiborane has a strong absorption band at 2509 cm−1 due to the non-bridge boron-hydrogen bond. It has a vapour

Oximide (392 words) [view diff] exact match in snippet view article find links to article

and Yoshimori Omote in 1980. Aziridine-2,3-dione has an infrared absorption band at 1954 cm−1. The term "oximide" has also been used for oximes. Derivatives

Tetramethyldiborane (1,664 words) [view diff] exact match in snippet view article find links to article

belongs to the D2h point group. Its infrared spectrum shows a strong absorption band at 1602 cm−1 due to bridging hydrogen, a weak band at 1968 cm−1 and

BODIPY (1,940 words) [view diff] exact match in snippet view article find links to article

fluorine groups with phenyl groups. The unsubstituted BODIPY has a broad absorption band, from about 420 to 520 nm (peaking at 503 nm) and a broad emission

Eligio Perucca (948 words) [view diff] exact match in snippet view article find links to article

induce enhanced optical activity (rotation) of light in the 500-600 nm absorption band on the otherwise optically inactive dye. Perucca reported that the

Spin crossover (2,309 words) [view diff] exact match in snippet view article find links to article

two-thirds of the FeII ions in the sample are HS, as shown by the absorption band at 2.1 mm/s, while the other third of the ions remain in the LS state

Gemstone irradiation (2,193 words) [view diff] case mismatch in snippet view article find links to article

Aaron (Spring 2023), "Chromophore Behaviors (Including the 880 nm Absorption Band) in an Irradiated Pink Sapphire" (PDF), Gems & Gemology, vol. 59, no

Autler–Townes effect (3,156 words) [view diff] exact match in snippet view article find links to article

Autler-Townes splitting and EIT can produce a transparent window in an absorption band, EIT refers to a window that maintains transparency in a weak pump

Transparent conducting film (4,546 words) [view diff] exact match in snippet view article find links to article

The doped polymer has low absorption of the visible spectrum with an absorption band centered around 1050 nm. When doped with iodine, a conductivity of

Photopolymer (3,884 words) [view diff] exact match in snippet view article find links to article

salts have received much attention for commercial applications. The absorption band for ferrocinium salt derivatives are in a much longer, and sometimes

Fluoroiodate (1,203 words) [view diff] exact match in snippet view article find links to article

699° Z=4 594.9 3.68 0 Sr4O(IO3)3(I3O7F3)BF4 R3c a=9.7216 c=38.759 absorption band at 250 nm; decompose 380 °C CdIO3F P212121 4.22 6.2 Rb2MoO2F3(IO2F2)

Nonmetal (18,701 words) [view diff] exact match in snippet view article find links to article

60, no. 9, doi:10.1021/ed060p691, PMID 25666074 Elliot A 1929, "The absorption band spectrum of chlorine", Proceedings of the Royal Society A, vol. 123

Infrared atmospheric sounding interferometer (2,623 words) [view diff] exact match in snippet view article find links to article

Band Name of region Spectral region (cm−1) Absorption band Usage B1 R1 650 - 770 CO2 Temperature profile B1 R2 790 - 980 Atmospheric window Surface and

Solid nitrogen (5,941 words) [view diff] exact match in snippet view article find links to article

does transmit some red or yellow light. In the infrared there is an absorption band around 1700 cm−1. Under even higher pressure of approximately 280 GPa

Giant oscillator strength (1,900 words) [view diff] exact match in snippet view article find links to article

is situated at the bottom of the exciton energy spectrum, then the absorption band of an impurity exciton approaching the bottom from below is enhanced

Management of obesity (7,281 words) [view diff] no match in snippet view article find links to article

endoscopic duodenal-jejunal bypass surgery), which directly reduces absorption. Band surgery is reversible, while bowel shortening operations are not. Some

Californium(II) iodide (280 words) [view diff] exact match in snippet view article

455.7 ± 0.4 pm and c = 699.2 ± 0.6 pm. Californium diiodide has an absorption band in the wavelength range from 300 to 1100 nm, which proves the existence

Exploration of Io (10,769 words) [view diff] exact match in snippet view article find links to article

in its interior, in contrast with the other Galilean satellites. An absorption band near 560 nm was identified with the radiation-damaged form of the mineral

Polysuccinimide (1,727 words) [view diff] exact match in snippet view article find links to article

of the polyimide polysuccinimide can be followed by the intensive absorption band in the infrared spectrum at 1714 cm−1. Many process variants described

Iodine compounds (3,547 words) [view diff] exact match in snippet view article find links to article

hydrocarbons to give bright violet solutions. In these solvents the absorption band maximum occurs in the 520 – 540 nm region and is assigned to a π* to

Infrared Nanospectroscopy (AFM-IR) (7,808 words) [view diff] exact match in snippet view article

corresponding to a specific molecular resonance, i.e. a specific infrared absorption band. By mapping the AFM cantilever oscillation amplitude as a function

Remote sensing in geology (6,685 words) [view diff] exact match in snippet view article find links to article

absorption (at 1.4, 1.9, 2.7 micrometers, and sometimes at 1.7 for hydroxyl absorption band) take place. On the other hand, radar is sensitive to one more factor:

Nanoparticle interfacial layer (2,693 words) [view diff] exact match in snippet view article find links to article

absorption energy of the nanoparticle. According to C. S. Inagaki et al the absorption band of a metallic nanoparticle was shown to drastically increase in width

Photolabile protecting group (4,529 words) [view diff] exact match in snippet view article find links to article

The o-hydroxyphenacyl PPG has been introduced as an alternative with absorption band shifted closer towards the visible region, however it has slightly

Tantalocene trihydride (1,273 words) [view diff] exact match in snippet view article find links to article

rings appear at τ = 5.24 ppm (δ = 4.76 ppm, 10H, s). A strong, sharp absorption band can be seen in the infrared spectra of TaCp2H3 at 1735 cm−1, which

Schwarzschild's equation for radiative transfer (3,864 words) [view diff] exact match in snippet view article find links to article

doubling carbon dioxide occurs mostly on the flanks of the strongest absorption band. Temperature rises with altitude in the lower stratosphere, and increasing

Asteroidal water (8,996 words) [view diff] exact match in snippet view article find links to article

in mineral combinations, or with temperature. The result is a wide absorption band in the light reflecting from such bodies. Asteroid (162173) Ryugu,

Rock hyrax midden (7,147 words) [view diff] exact match in snippet view article find links to article

Spitzkoppe FTIR spectra following carbonate removal contains a broad absorption band at w3300 cm1 as well as sharper absorptions from w1600 to 1700, 1400