Testing of optical apparatus Testing structures by optical methods not otherwise provided for

Industry

  • CPC
  • G01M11/00
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Sub Industries

G01M11/005Testing of reflective surfaces G01M11/02Testing of optical properties of lenses G01M11/0207Details of measuring devices G01M11/0214Details of devices holding the object to be tested G01M11/0221by determining the optical axis or position of lenses G01M11/0228by measuring refractive power G01M11/0235by measuring multiple properties of lenses, automatic lens meters G01M11/0242by measuring geometrical properties or aberrations G01M11/025by determining the shape of the object to be tested G01M11/0257by analyzing the image formed by the object to be tested G01M11/0264by using targets or reference patterns G01M11/0271by using interferometric methods G01M11/0278Detecting defects of the object to be tested G01M11/0285by measuring material or chromatic transmission properties G01M11/0292of objectives by measuring the optical modulation transfer function G01M11/04Optical benches G01M11/06Testing of alignment of vehicle head-light devices G01M11/061Details of the mechanical construction of the light measuring system G01M11/062using an indicator mounted on the head-light G01M11/064by using camera or other imaging system for the light analysis G01M11/065details about the image analysis G01M11/067Details of the vehicle positioning system G01M11/068with part of the measurements done from inside the vehicle G01M11/08Testing of mechanical properties G01M11/081by using a contact-less detection method G01M11/083by using an optical fiber in contact with the device under test [DUT] G01M11/085the optical fiber being on or near the surface of the DUT G01M11/086Details about the embedment of the optical fiber within the DUT G01M11/088of optical fibres; Mechanical features associated with the optical testing of optical fibres G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides G01M11/31with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face G01M11/3109Reflectometers detecting the back-scattered light in the time-domain G01M11/3118using coded light-pulse sequences G01M11/3127using multiple or wavelength variable input source G01M11/3136for testing of multiple fibers G01M11/3145Details of the optoelectronics or data analysis G01M11/3154Details of the opto-mechanical connection G01M11/3163by measuring dispersion G01M11/3172Reflectometers detecting the back-scattered light in the frequency-domain G01M11/3181Reflectometers dealing with polarisation G01M11/319Reflectometers using stimulated back-scatter G01M11/33with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face G01M11/331by using interferometer G01M11/332using discrete input signals G01M11/333using modulated input signals G01M11/334with light chopping means G01M11/335using two or more input wavelengths G01M11/336by measuring polarization mode dispersion [PMD] G01M11/337by measuring polarization dependent loss [PDL] G01M11/338by measuring dispersion other than PMD G01M11/35in which light is transversely coupled into or out of the fibre or waveguide G01M11/37in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof G01M11/39in which light is projected from both sides of the fiber or waveguide end-face

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