Abstract:
PROBLEM TO BE SOLVED: To provide an easy-to-install spectrometer that can be manufactured by an inexpensive method, does not require complicated adjustment, has small spatial dimension, and has an inlet slit, and to provide a manufacturing method of the inlet slit. SOLUTION: The spectrometer has a housing 1, the inlet slit 4, and a diffraction grating 3 that is arranged in the housing and imaging the measured light to a photoelectron detecting element. The detecting element is arranged in the housing, and the housing and a substrate 2 are interconnected through positioning means 5a, 5b, 5c and 5d that cooperate mutually for specified mutual positioning. Holding means 6a and 6b for receiving and attaching the inlet slit, the positioning means of the substrate, and the detecting element are permanent part of the substrate, and are accurately and appropriately prepared at the specified mutual positions from the substrate by molding technique such as laser beam cutting or fluid jet cutting. At least one of holding means for the positioning means of the substrate and the detecting element is disposed as an elastic element. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To obtain a micromachined interferometer that uses a half plane beam splitter. SOLUTION: The beam splitter is optically coupled so as to receive an incident beam I and operates so as to split the incident beam into two interfering beams L1 and L2 that respectively propagates inside different media. A fixed mirror M2, embedded in one of such media, reflects the interfering beam L2 and returns this interfering beam back toward the half plane beam splitter through a medium; while a movable mirror M1, which is controlled by an actuator, reflects the interfering beam L1 and returns this interfering beam back toward the half plane beam splitter, passing through the other medium. A detection plane D1 or D2 detects the interference pattern, produced as a result of the interference between the reflected interfering beams L3 and L4. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To acquire clear observation images by highly precisely controlling spectral characteristics by a variable spectral element disposed at the distal end of a narrow and long insertion section of an endoscope. SOLUTION: This endoscope system having at least one portion inserted in the body cavity of a living body and acquiring images of an imaging object A in the body cavity, comprises the variable spectral element 13 disposed at the distal end of the portion to be inserted into the body cavity and varying the spectral characteristics by a change of an interval of two optical members 13a and 13b facing each other at some interval apart, an actuator 13c changing the interval between the two optical members 13a and 13b according to a driving signal to be input, a sensor 16 detecting the interval between the two optical members 13a and 13b, and an electric circuit 17 input with the output of the sensor 16, including an active element and outputting an electric signal corresponding to the output of the sensor. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a color spectrophotometer system for measuring accurately and stably a target spectral reflectance. SOLUTION: This color spectrophotometer system having a target surface provided with a fluctuating spacing from the color spectrophotometer system further includes: a color correction and calibration system for providing color correction and calibration information corresponding to a color measuring error in a color spectrophotometer with respect to the known fluctuating spacing of the target surface from the color spectrophotometer; and a target distance measuring system for measuring the fluctuating spacing of the target surface from the color spectrophotometer to provide a target area spacing information signal. The target area spacing information signal is automatically combined with the color correction and calibration information from the color correction and calibration system, to correct the color measuring error in the color spectrophotometer with respect to the fluctuating spacing of the target surface from the color spectrophotometer. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To conduct color measurements at a high speed and with high accuracy. SOLUTION: Light from an irradiation unit 14 is irradiated on a material component 12, and reflected light is provided to a spectrum photometry sensor assembly 18 via a light-focusing unit 16. The spectrum photometry sensor assembly 18 spectroscopically analyzes the reflected light from the material component 12. The wavelength in the spectroscopic analysis is set variable. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a photodetector capable of precisely positioning of a constitutional element when applied to a spectrometer, and to provide the spectrometer using it. SOLUTION: The spectrometer is constituted of a photodetector 1B which is provided with a photodiode array 11 of a plurality of photodiodes 12 disposed on the upper surface 10a of the semiconductor substrate 10, and a light incident part 13 formed as an opening keeping a prescribed positional relation to the photodiode array 11, a main part 2 composed of the tabular part 20, and supports 21 and 22 placed on the substrate 10. A lens 23 provided on the under face 20b of the tabular part 20, and a planar aberration-reduced blazed reflection diffraction grating 24 separate the light incident from the light incident part 13 and passed through the lens 23 into the spectral components. The separated light spectral components are detected by the photodiode array 11. COPYRIGHT: (C)2005,JPO&NCIPI