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Refractive and index
Refractive index of materials varies with the wavelength.
* Refractive index
Refractive index contrast, in an optical fiber, is a measure of the relative difference in refractive index of the core and cladding.
* Optical properties: Refractive index is directly related to density ( or periodic density fluctuations ).
# REDIRECT Refractive index
Refractive index vs. wavelength for BK7 glass, showing measured points ( blue crosses ) and the Sellmeier equation ( red line ).
Regions 0, 1, and 2 have Refractive index | indices of refraction,, and, and primed angles indicate the ray angles after refraction.
Refractive index contrast
( Refractive index is the ratio of the speed of light in vacuum to the speed of light in a given medium.
* Refractive index: approx.
Refractive index for the seeding particles should be different from the fluid which they are seeding, so that the laser sheet incident on the fluid flow will reflect off of the particles and be scattered towards the camera.
Refractive index values are nα
# REDIRECT Refractive index
# Redirect Refractive index # Dispersion and absorption
* Refractive index detector, a type of chromatography detector
This can be done by modulating the Refractive index of the surface coating ; if destructive interference is achieved, there will be no reflective wave and thus all light will be transmitted into the semiconductor cell.
# redirect Refractive index
# REDIRECT Refractive index
* Refractive index

Refractive and contrast
Refractive " vision correction " surgery is a widespread cause of nyctalopia due to the impairment of contrast sensitivity function ( CSF ) which is induced by intraocular light-scatter resulting from surgical intervention in the natural structural integrity of the cornea.

Refractive and is
* Refractive myopia is attributed to the condition of the refractive elements of the eye.
Refractive surgeons have long known that corneal regularity is the foundation of superior visual outcomes.
Refractive amblyopia is usually less severe than strabismic amblyopia and is commonly missed by primary care physicians because of its less dramatic appearance and lack of obvious physical manifestation, such as with strabismus.
Refractive eye surgery is any eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses.
Orthokeratology ( also referred to as Ortho-K, Overnight Vision Correction and Corneal Refractive Therapy ), marketed under brand names like " OK Lens ", " EyeDream ", " MiracLens ", " DreamLens ", " i-GO OVC ", " GOV ", " Wake and See ", " CRT ", " Fargo / iSee " and " Emerald ", is the use of rigid gas-permeable contact lenses, normally worn only at night, to improve vision through the reshaping of the cornea.

Refractive and by
Primary power for the mission was produced by a new solar array technology, the Solar Concentrator Array with Refractive Linear Element Technology ( SCARLET ), which uses linear Fresnel lenses made of silicone to concentrate sunlight onto solar cells.
Popularized by Svyatoslav Fyodorov of Russia, the original technique-consisting of incisions from periphery to center-was called " the Russian technique " ( Gulani AC, Fyodorov S: Future Directions in Vision course, June 1997 ), while the later advances of performing controlled incision from center to periphery was called " the American Technique " ( Gulani AC, Neumann AC: Refractive Surgery Course, February 1996 ).

Refractive and =
* Refractive indices, birefringence ( Δn = n < sub > e </ sub >-n < sub > o </ sub >) and walk-off angle at 45 ° ( ρ ):

Refractive and n
n: Refractive Index of Aqueous ( 1336 )

Refractive and 1
* Nikon 1 Nikkor VR 10-100mm f / 4. 5-5. 6 PD-Zoom, for the 1 series ' unique CX format ( crop factor 2. 7 ), integrates an unseen amount of technologies: 21 elements in 14 groups including 1 High Refractive Index ( HRI ), 3 Extra-low Dispersion ( ED ) and 2 aspherical lenses, Super Integrated Coating ( SIC ), internal focusing ( IF ) with quiet ultra-fast Voice Coil motor ( VCM ), silent 3-speed PD-Zoom, Vibration Reduction ( VR II ), retractable lens mechanism and 7 rounded diaphragm blades.

Refractive and refractive
Refractive amblyopia may result from anisometropia ( unequal refractive error between the two eyes ).

Refractive and .
Refractive errors in patients with FXS are also common.
Professional bodies like the AAO and ASCRS: The American Society of Cataract and Refractive Surgery organize conferences and help members through continuing medical education programs to maintain certification, in addition to political advocacy and peer support.
A typical Waters GPC instrument including A. sample holder, B. Column C. Pump D. Refractive Index Detector E. UV-vis Detector
In March 2008, The American Society of Cataract and Refractive Surgery published a patient satisfaction meta-analysis of over 3, 000 peer-reviewed articles from international clinical journals.
Current airmen ( Active Duty and Air Reserve Components who are eligible ) are authorized surgery at any DOD Refractive Surgery Center.
Long-term results are available, published in the Journal of Cataract and Refractive Surgery.
* Hensler J R, " Method of Producing a Refractive Index Gradient in Glass ," U. S. Patent 3, 873, 408 ( 25 Mar.
* Moore R S, " Plastic Optical Element Having Refractive Index Gradient ," U. S. Patent 3, 718, 383 ( Feb. 1973 ).

index and contrast
Phase contrast is a widely used technique that shows differences in refractive index as difference in contrast.
Field theory, in contrast, treats x as a way to index the field rather than as an operator.
The strong contrast in refractive index between pores and solid parts of sintered alumina results in very strong scattering, with light completely changing direction each 5 micrometers on average.
In contrast, if the index numbers count from 0, the expression becomes this:
In contrast, the " heritability index " statistically quantifies the extent to which variation between individuals on a trait is due to variation in the genes those individuals carry.
In contrast, if the index is low ( NAO -), westerlies are suppressed, these areas suffer cold winters and storms track southerly toward the Mediterranean Sea.
In contrast to most subject-indexing which is done at the document level, HRAF has its indexers subject index at the paragraph level.
The fiber modes are usually referred to as LP ( linear polarization ) modes, which refers to a scalar approximation for the field solution, treating it as if it contains only one transverse field component ( this is accurate because of the low refractive index contrast in typical fibers, the transverse electromagnetic ( TEM ) type.
In contrast, a less dense, lower refractive index material will reflect light in phase.
In contrast, a Paasche price index uses the cost of a set of goods purchased in one time period with the cost it would have taken to buy the same set of goods in an earlier time period.
In contrast, ETFs are not redeemed by holders ( instead, holders simply sell their ETF shares on the stock market, as they would a stock, or effect a non-taxable redemption of a creation unit for portfolio securities ), so that investors generally only realize capital gains when they sell their own shares or when the ETF trades to reflect changes in the underlying index.
Those with a solid core, or a core with a higher average index than the microstructured cladding, can operate on the same index-guiding principle as conventional optical fiber — however, they can have a much higher effective-refractive index contrast between core and cladding, and therefore can have much stronger confinement for applications in nonlinear optical devices, polarization-maintaining fibers, ( or they can also be made with much lower effective index contrast ).
This provides a real time contrast image of the sample, which provides information about film thickness and refractive index.

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