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(1) The relation between numerical aperture and the passing power rate of semiconductor laser in collimating system has been studied through the parameter equations of fundamental mode Gaussian beam.

(2) This is achieved by a high numerical aperture (NA) lens axicon that utilizes spherical aberration to duplicate the performance of an axicon and to create an extended focal line.

(3) In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.

(4) Hence the value of high numerical aperture for such specimens.

(5) Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.

(6) And the use of high numerical aperture lens in the probe improves the lateral resolution.

(7) The effects of system parameters, such as numerical aperture and diameter of laser on the control parameter are also discussed.

(8) Furthermore, the larger the numerical aperture of the objective, the less the effect of the slant angle on the line image shape.

(9) We focus on the focal properties including the intensity and the partially coherent and polarized properties of such partially coherent vortex beams through a high numerical aperture objective.

(10) By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.

(11) Compared with other UV or DUV lithography lenses, this lens can meet the needs of higher numerical aperture and full use of its field.

(12) A second was to improve printability of feature sizes is to increase the numerical aperture (NA) of the lithographic imaging tool, with water immersion lithography currently being used.

(13) We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.

(14) This paper describes the UV proximity printing method to fabricate micro-optical elements, such as microlens array, micro-waveguides and high numerical aperture microlens.

(15) The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.

(16) The system can also be applied to measurement of numerical aperture of polymer optic fiber and characterization of the refractory index distribution.

(17) After analyzed, the exciting laser intensity, the coverage rate and the numerical aperture of objectives are selected for experimental research.

(18) The reflection effect of the spherical surface of a hemisphere solid immersion lens(SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.

(19) The dynamic range is as large as several micrometers , determined by wavelength of light source and numerical aperture of objective lens. Sentencedict.com

(20) It has lots of advantages as compared with optical system, such as lightweight, small size, high resolution, big numerical aperture, good transmission, etc.

(21) The light energy transfer efficiency can be calculated by a method named as effective numerical aperture.

(22) The method for analyzing the spatial resolution of confocal microscope is introduced. The importance of numerical aperture (NA ) is pointed out.