1. Fuction: for determination of refractive index.

2. Natural materials all have a positive refractive index.

3. The refractive status showed hyperopic shift after cycloplegia .

4. Refractive index is the essential parameter of tissular optical characteristics.

5. A novel method for active fiber refractive index measurement based on beat frequency interrogation of the multi-longitudinal-mode distributed Bragg reflector (DBR) fiber laser was presented.

6. Acquiring film thickness, material's refractive index and extinction coefficient, component and so on.

7. Besed on refractive index definition, the article introduce its physical meaning, measurement, applications and research department of "negative refractive index" .

8. Each structure has its own refractive index, and when a light ray crosses an area where the index changes, the light scatters,[/refractive.html] creating a degree of opaqueness .

9. The X-ray compound lens is a novel refractive X-ray optical device.

10. It is found that when the refractive index of defect was changed, the coupling effect between the defect modes was varied, which results in the change of the impurity band.

11. Four effective methods on measuring refractive index of wave guide film are given. All of the methods are studied, especially, an experiment is done by the prism coupling method.

12. The genetic algorithm is employed to inverse the refractive index of a particulate system.

13. Conclusions:The serious opacity of refractive media, the damaged or detached retina and the choroids edema are the main causes of NLP.

14. The form of the refractive index variation in waveguide in separate confinement heterostructure ( SCH ) affects directly the far-field distribution of the emission light.

15. A directing technique is described to define the refractive index ellipse of the end face for SPSM fiber, particularly, for Bow-Tie fiber, by etching method.

16. Changes consisted in the tissue becoming larger or smaller, thicker or thinner, more or less refractive.

17. The UV-975 variable wavelength detector has a tapered flow cell giving reduced refractive index effects.

18. Chiron Vision develops and manufactures products for treating progressive eye diseases and for improving cataract and refractive surgery.

19. The intensity of scattering is a function of the electron density and therefore of the refractive index.

20. Based on the band transport model, the buildup of space charge field and the light-induced refractive index changes in photorefractive crystals are discussed.

21. The method of split-step Fourier was used to investigate the property propagation of ultrashort pulse and then analyse the new propagation property in negative refractive media.

22. A new method is proposed for the measurement of imaginary part of refractive index ni of aerosol by using an optical particle counter (OPC) and a visibility meter (VM).

23. The urinary concentrations of lactulose and mannitol were determined by a refractive index detector .

24. The characteristics of this sensor is analysed. It is concluded that for a certain refractive index range, the index of fibre core, the radius of core and bending radius need to be optimized.

25. This article begins with introducing the conception of refrangibility, and then the relation between refractive index and density of the gas is established.

26. The tapered waveguide performs mode transformation between optical fiber mode and polymer waveguide mode by using a refractive index taper and a width taper with wedge profile.

27. The deviation value of light-ray from transmission path and image point is obtained by using light-ray refractive theory.

28. The exact measurement of keratometry and anterior chamber depth are of major importance for the implantation of intraocular lens(IOL)in refractive surgery and the research of refractive errors.

29. The optical admittance approach to design antireflection coatings of superluminescent diodes is described and effective refractive index is introduced.

30. Examination included far and near visual acuity test, eye refractive status (based on retinoscopy , with 1%atropine cycloplegia), eye fundus, corneal curvature, eye axial length.

31. It is a simple and sensitive method to measure the refractive index with optical fiber plasma wave.

32. It is proved that the performance of the shutter Q-switch will be improved by placing- the prism in a closed cell with gas of suitable refractive index.

33. Incorporating array of metallic wires into the host media, such as ferrimagnet YIG under an external magnetic bias field, is a novel method to synthesize negative refractive index (NRI) material.

34. It has been estimated that more than a half of vision impairment, and about a quarter of legal blindness, is due to refractive error correctable with glasses.

35. The bigger the refractive index ratio of two primitive dielectrics of one-dimensional photonic crystals is, the narrower the transmission band is.

36. The compatibility of the blends was studied by viscometry, refractive index, and the thermal stability of them was also observed by TG.

37. Based on the refractive law of waves, the author presents a mathematical model describing the ejective direction of any particle in cratering.

38. Self-focusing and self-defocusing have their origin in the intensity dependence of the refractive index of the nonlinear medium.

39. In order to raise the accuracy of radars,[/refractive.html] the warship-radar generally depends on the electric-wave refractive correction of errors.

40. The refractive index structure parameters of equidistance between sensors and dome in different directions are different.

41. Objective To investigate the relationship between oblique astigmatism and refractive cyclophoria.

42. Biological reactions are probed by detecting the change of refractive index.

43. The researchers placed a silicon nitride waveguide on a transparent nanoporous silicon oxide substrate that they specially developed to have a much lower refractive index than that of the waveguide.

44. Objective:To discuss and compare the improvement of visual functions after refractive correction for ametropic children with low vision.

45. We have studied the influence of different annealing conditions on refractive index profiles of He and H ions implanted lithium niobate planar waveguides.

46. The third generation techniques such as light propagation control achieved by refractive index distribution in core and clad are promising.

47. The band gap, linear refractive indices and absorption coefficients fundamental optical constants of the film were obtained through optical transmittance measurements.

48. Meanwhile, due to the utilization of information on refractive index distribution, geometrical distortions usually observed in conventional OCT images are avoided in the PICT image.

49. Adjunctive effect of acupuncture to refractive correction on anisometropic amblyopia one-year results of a randomized crossover trial.

50. Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.

51. In this paper, it is indicated than the refractive index of extraordinary rayin the Nicol prism often means ractive index. Also the method calculated thisractive index has been given.

52. In this article, the influences of the mode field diameter, the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified.

53. Random fluctuation of turbulence brings random fluctuation of refractive index and makes atmosphere become a random fluctuation medium, which destroys the coherence of light-wave.

54. The lyotropic liquid crystalline behavior of a natural macromolecule-chitosan was studied using polarized microscopy, average refractive index method and FTIR.

55. The bistability results from the refractive index change due to light injection.

56. The sensing principle is optical fiber bend waveguide can be modified in response to an external refractive index.

57. Objective:To investigate the rules of refractive changes in children with hypermetropia.

58. Based on the compressive sampling theory, a new tomography algorithm of grating-based differential imaging is proposed to exactly reconstruct the refractive index of object from limited projections.

59. These devices can not only accomplish polarized light interference experiment, but also measure the refractivity or refractive index profile of crystal.

60. The recovery rate of simple hypermetropia was 54.31%, which was significantly higher than other refractive types.

61. The refractive index distribution function of long period fiber grating (LPG), which is ultraviolet written by amplitude mask, is a rectangular wave in the core region.

62. It is revealed that the effective refractive index and the DC coupling coefficient, as well as the AC coupling coefficient of odd order modes, will be decreased with the increase in wavelengths.

63. The authors point out that the refractive state is determined by the ocular diametrical ratio.

64. The shift error in ERS SAR image is calculated using the measurements of refractive index profile in Beijing area and moderate electron concentration in China.

65. Far-infrared absorption spectra and refractive indices of hypoxanthine and inosine have been measured by terahertz time-domain spectroscopy (THz-TDS) in the frequency range of 0.

66. In the paper, the method of test about OE-PCB was reviewed. Including mainly Refractive Index, Optical Propagation Loss, Surface Roughness, Eye Pattern, Bite Error Rate Test and Environment Impact.

67. The idocrase jade can be easily identified from jadeite jade and hydrogrossular by its higher refractive index, texture and 465 nm absorption spectrum.

68. Relationship between refractive index and packing density of coatings prepared by glancing angle deposition is analyzed and three expressions are given firstly.

68. is a sentence dictionary, on which you can find excellent sentences for a large number of words.

69. Photonic crystal a manmade crystal in which dielectric media with different refractive index is arranged periodically.

70. ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).

71. High - performance liquid chromatographic - differential refractive index detective ( HPLC - dRI ) method was established to determine group A soyasaponins.

72. The refractive states were measured with an auto-refractomer after surgery and the average absolute value of predictive refractive error were calculated.

73. There are some techniques such as the refractometry are often used to measure the refractive index of the sample both in science and industry.

74. Surface plasmon resonance technology was introduced into the testing study of the refractive index of biological tissues, whose testing theory is discussed theoretically.

75. Conclusion:The clinical efficacy of amblyopia is related to amblyopic types, degrees, fixation nature, refraction, refractive types and age closely.

76. After calculating the effective refractive index of the structure, we have verified that the impurity band has a normal dispersion.

77. Amblyopia is a developmental visual disorder characterized by reduced vision in the absence of any detectable structural or pathological abnormalities that can not improve with refractive correction.

78. Conclusion Early application of Timolol after LASIK can decrease the morbidity of refractive regression by lowering the intraocular pressure to reduce corneal ectasia.

79. A novel photorefractive nonlinear optics model was presented based on an optical beam erasing refractive index grating and two- beam coupling.

80. Refractive index of the couplant plays an important role for obtaining high light output.

81. When the refractive index changed the moving direction, it relied on the sign of change.

82. Laser phase Doppler anemometry (PDA)technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.

83. At the same time, the mechanism of refractive index modification, which induced by femtosecond pulse, is discussed too.

84. Objective:To evaluate the effect of long term complete occlusion therapy on children with hyperopic amblyopia and the changes in refractive status.

85. A simple method of estimating refractive index of glass prism using only a pencil and a set square is presented.

86. The structure parameter of refractive index imaginary part for the different latent heat flux was calculated by means of simulation theory.

87. Using the refractive index data determine the approximate composition of your oil, your carvone fraction and your limonene fraction with respect to limonene and carvone.

88. The deposition rate, morphologies, breakdown voltage and refractive index were studied.

89. The elective use of aspirin and nonsteroidal anti-inflammatory drugs is discouraged for refractive cases.

90. Objective:To evaluate the refractive results of excimer laser photorefractive keratectomy(PRK) performed on low and moderate myopia eyes.

91. A method to determine three-dimensional refractive index profile of holey fiber using a combination of quantitative phase microscopy and tomographic reconstruction techniques is described.

92. The basic idea is to self-assemble a colloidal suspension of monodisperse microspheres and use this crystal as a template for introducing a higher refractive index background material, such as metals.

93. The error in radius of curvature as well as the equivalent refractive index should be considered in the corneal vergence measurement for eyes after refractive surgery.

94. A numerical model is presented that predicts the transformation of monochromatic wave over complex bathymetry, includes both refractive and diffractive effects.

95. Barium sulphate(BaSO4), as an inorganic filler, added into PET of certain amounts, could enhance the transparence of PET/BaSO4 composites, because their refractive indices matched closely.

96. The negative refractive material is receiving much attention recently because of its many peculiar features, especially the anomalous refraction, compared with the regular material.

97. The ultraviolet-induced refractive index changes, measured by prism coupler and spectroscopic ellipsometer , are dependent on the number of laser shots and the pulse repetition rate.

98. When common Michelson interferometer is used for measuring air refractive index, there is a major problem that the optic path difference is so large that the fringes is to close too count.

98. is a online sentence dictionary, on which you can find good sentences for a large number of words.

99. According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.

100. The cycloplegic refractive states of 446 children with concomitant strabismus, including 383 cases of esotropia and 63 exotropia are presented.

101. As the pressure tuning is carried out by freon with high refractive index, the tuning range can be expanded to 550 GHz.

102. The crystal lattice parameters, refractive index and the optical damage threshold were tested.

103. The area under ROC of posterior maximum refractive power and the AUR of posterior maximum elevation were greater than that of other indices in the diagnosis of early keratoconus.

104. Customization of excimer laser refractive surgery is a new one based on PRK, LASIK and LASEK.

105. With the measuring system equipped with a microchip solid laser and a unique refractive index matching cladding mode filter, the transmission loss of a double clad fiber laser was measured.

106. The regression coefficient between corneal power and the refractive error increased from apex to peripheral area.

107. Save a small portion (5 drops) of your original essential oil sample and of the distilled limonene and carvone fractions for Gas Chromatography and Refractive Indexes measurements.

108. Conclusions: To the cataractous patient after refractive surgery, if the measured intraocular lens power was higher before cataract operation, the SRK formula could be used.

109. The utility model relates to a hydrophilic flexible keratoscope with struck holes for the correction of refractive errors in the ophthalmology, belonging to the medical supplies.

110. Based on the Bragg's law, the ordered TiO2 inverse opal films were successfully used as refractive index sensors with a resolution of 0.01.

111. This item firstly proposes a new scheme of "optical engineering of changing refractive index".

112. The encapsulant includes an inner lens and an outer lens, the inner lens having a refractive index less than, and in some cases about 70 to 80% of, the refractive index of the outer lens.

113. A two stage complex image method is proposed to rapidly and precisely calculate the refractive field of an overhead dipole (generalized sommerfeld integral, GSI) in the earth.

114. If the bubbles into the water or oil immersed in ( 1.66 refractive index oil better) observation, is more clear.

115. The effect of terpenyl gallates on room temperature stability was studied by evaluation of peroxide value, acid value, refractive index of biodiesel.

116. The refractive indices and phase delay of NLC in electric field was presented on the basis of the calculation of liquid crystal director distributions.

117. The density, viscosity, refractive index and flash point of glutarate were measured at the same temperature.

118. When irradiated by two-beams, the sample can set up refractive index grating, and the optical holographic storage was achieved.

119. Because of its ultra - fine crystal structure and high refractive index, it make color more abundance satiation.

120. The instrumental error of the sensor was estimated through measuring to the refractive index matching liquid.

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