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PROBLEM TO BE SOLVED: To provide a method for producing a small, less expensive optical lens, in which the lens can be formed to have a large thickness, and to provide a lens material used for the same and a method for producing the lens material.KIKUCHI TOMOYA...
Our purpose was to demonstrate if measuring lens autofluorescence (AF) with a scanning confocal biomicroscope may be used to identify subjects with undiagnosed type II diabetes mellitus (DM), and hence, for it to be used as a marker for the severity of diabetic retinopathy in diabetic patients...
PROBLEM TO BE SOLVED: To provide an objective lens for an optical pickup of high NA (Numerical Aperture) which suppresses wavefront aberration to 0.01 λrms or below, secures good off-axis characteristics and sufficient working distance, and satisfies characteristics of which manufacturing tolerance ...
A kind of system includes having on the focal plane of object lens, the light that optical sensor is positioned to receive propagation passes through object lens, first optical element, between the first optical element battle array position object lens and sensor, first array of optical elements...
PROBLEM TO BE SOLVED: To focus laser light suitable for each of a plurality of information recording surfaces provided in an information recording medium.HAYASHI KATSUHIKO林 克彦TANAKA YASUHIRO田中 康弘YAMAGATA MICHIHIRO山形 道弘ISHIMARU KAZUHIKO
Through the mount part of each lens, corrected resistance value DELTARv that corresponds to the difference of each lens is sent from electricity quantity correcting member C11 to arithmetic circuit C12 to make a correction. Its output is compared by comparing circuit C13 with aperture value signal...
A lens detection system includes a system chip, and the system chip includes a first lens selection pin and a protocol path pin. A lens detection method includes performing a reset step by the system chip; enabling the first lens selection pin by the system chip; detecting a first lens ...
PURPOSE: To measure even the surface shape of a pipe inner surface and a hole side surface by providing a hemispherical lens for reflecting and focusing measurement light in the direction vertical to the longitudinal direction of a light waveguide path substrate.WATANABE AKIO...
transmission part is achieved and the airtightness of a sealed space surrounded by a stem for securing the environment resistance of a semiconductor laser, a holding member, and a glass spherical lens is enhanced, and cost can be reduced, and to provide an aspherical lens used for the optical...