[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Yang et al., 2020 - Google Patents

Research on focal length measurement scheme of self-collimating optical instrument based on double grating

Yang et al., 2020

View HTML
Document ID
9763174825320000269
Author
Yang W
Wang Z
Shen C
Liu Y
Liu S
Li Q
Du W
Song Z
Publication year
Publication venue
Sensors

External Links

Snippet

In this paper, we propose a scheme for measuring the focal length of a collimating optical instrument. First, a mathematical model for measuring the focal length of a collimator with double gratings is derived based on the moiré fringe formula and the principles of geometric …
Continue reading at www.mdpi.com (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06Q—DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for a specific business sector, e.g. utilities or tourism
    • G06Q50/01—Social networking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F19/00—Digital computing or data processing equipment or methods, specially adapted for specific applications

Similar Documents

Publication Publication Date Title
Suh Laser sensors for displacement, distance and position
Yang et al. Reduction of the influence of laser beam directional dithering in a laser triangulation displacement probe
Wang et al. An ultra-precision absolute-type multi-degree-of-freedom grating encoder
Kienle et al. Optical setup for error compensation in a laser triangulation system
Sun et al. Global calibration of multiple cameras based on sphere targets
Jia et al. Simultaneous measurement of 6DOF motion errors of linear guides of CNC machine tools using different modes
Lei et al. Use of Phase-Angle Model for Full-Field 3D Reconstruction under Efficient Local Calibration
Bian et al. Ultraprecision diameter measurement of small holes with large depth-to-diameter ratios based on spherical scattering electrical-field probing
Sun et al. A three-dimensional structured light vision system by using a combination of single-line and three-line lasers
Hu et al. Refractive index measurement of glass with arbitrary shape based on Brewster’s law and a focusing probe beam
Yang et al. An Ultracompact Angular Displacement Sensor Based on the Talbot Effect of Optical Microgratings
Yang et al. Research on focal length measurement scheme of self-collimating optical instrument based on double grating
Chen et al. An improved circular fringe fourier transform profilometry
Bartolomei et al. Verification of Angular Response of Sky Quality Meter with Quasi-Punctual Light Sources
Zhou et al. Grating-corner-cube-based roll angle sensor
Küng et al. Low-cost 2D index and straightness measurement system based on a CMOS image sensor
Sun et al. Compact laser collimation system for simultaneous measurement of five-degree-of-freedom motion errors
Chen et al. An optical sensor for measuring the position and slanting direction of flat surfaces
Yu et al. Development of a 3-DOF Angle Sensor Based on a Single Laser Interference Probe
Korolev et al. Reconstruction of the image metric of periodic structures in an opto-digital angle measurement system
Lv et al. A Novel 2D Micro-Displacement Measurement Method Based on the Elliptical Paraboloid
Han et al. Measurement of Focal Length and Radius of Curvature for Spherical Lenses and Mirrors by Using Digital-Grating Moiré Effect
Zhang et al. Combined Displacement and Angle Sensor with Ultra-High Compactness Based on Self-Imaging Effect of Optical Microgratings
Huang et al. An accurate image measurement method based on a laser-based virtual scale
Chen et al. A Camera Intrinsic Matrix-Free Calibration Method for Laser Triangulation Sensor