Analyzing surface structure using scanning interferometry

Light wave interferometer apparatus

Measurement method, a measurement apparatus, and a computer-readable recording medium

Refractive prescription using optical coherence tomography

Interferometric nanoimaging system

Ultra precision profile measuring method

Method and apparatus for determining a deviation of an actual shape from a desired shape of an optical surface

Methods and systems for white light interferometry and characterization of films

Inner surface measuring apparatus

Measuring apparatus, exposure apparatus, and device fabrication method

Dental optical coherence tomograph

Method and system for measuring a surface of an object

Apparatus and method for a combined interferometric and image based geometric determination, particularly in the microsystem technology

Systems and methods for characterizing thickness and topography of microelectronic workpiece layers

Method for image calibration and apparatus for image acquiring

Method for measuring surface profile, and apparatus using the same

Interferometer

LASER SCANNING INTERFEROMETRIC SURFACE METROLOGY

Methods of testing and manufacturing optical elements

Information processing apparatus for interference signal processing

Method and apparatus for simultaneously acquiring interferograms and method for solving the phase information

METHODS AND SYSTEMS FOR DETERMINING OPTICAL PROPERTIS USING LOW COHERENCE INTERFERENCE SIGNALS

Multiple channel interferometric surface contour measurement system

Optical measuring device for measuring a plurality of surfaces of an object to be measured

Method for optically testing semiconductor devices

Signal analysis method for vibratory interferometry

Method and system for analyzing low-coherence interferometry signals for information about thin film structures

Surface profiling apparatus

Method for quantifying defects in a transparent substrate

Device and method for testing a tire, in particular by means of an interferometric measuring method

Apparatus for measuring defects in a glass sheet

Determining positional error of an optical component using structured light patterns

Apparatus for the contact-less, interferometric determination of surface height profiles and depth scattering profiles

Method and apparatus for determining the shape, distance and orientation of an object

Multiple channel interferometric surface contour measurement system

Shape measuring apparatus, shape measuring method, and exposure apparatus

Hologram and method of manufacturing an optical element using a hologram

Three-dimensional shape measurement method and three-dimensional shape measurement apparatus

Three-dimensional shape measuring method and apparatus

Diffractive null corrector employing a spatial light modulator

Method and device for inspecting a surface of an optical component

Scanning interferometric methods and apparatus for measuring aspheric surfaces and wavefronts

Apparatus for caries detection

Method of manufacturing an optical element

Method and an apparatus for shape measurement, and a frequency comb light generator

Compensation of systematic effects in low coherence interferometry

Repairing method for dark areas on a surface profile and a surface profile measuring method

Surface profile measuring method

Measurement of lenses and lens molds using optical coherence tomography

Chromatic compensation in Fizeau interferometer

Interferometric Measuring System

Method and apparatus for detecting defect on a surface of a specimen

Profilometry apparatus and method of operation

MEMS-based, phase-shifting interferometer

Interferometric measuring device

Interferometers for the measurement of large diameter thin wafers

Linear-carrier phase-mask interferometer

Interferometric measuring device

In situ determination of pixel mapping in interferometry

Surface profiling method and apparatus

Measuring endoscope apparatus

Shape measurement method

Vibration-resistant interferometer apparatus

Optical imaging system

Three-dimensional geometric measurement and analysis system

Off-axis paraboloid interferometric mirror with off focus illumination

Optical fiber delivered reference beam for interferometric imaging

Interference measurement system self-alignment method

Phase unwrapping method, program, and interference measurement apparatus

Integrated interference scanning method

Methods and systems for determining optical properties using low-coherence interference signals

Device and method for a combined interferometry and image-based determination of geometry, especially for use in micro system engineering

Method of combining holograms

Inner surface measuring apparatus

Phase shift interferometer

Measuring apparatus

Method for manufacturing a biosensor element and for testing the same

Method and apparatus for phase contrast quadrature interferometric detection of an immunoassay

Method of assembling a composite data map having a closed-form solution

Method and apparatus for tilt corrected lateral shear in a lateral shear plus rotational shear absolute flat test

Surface profiling apparatus with reference calibrator and method of calibrating same

Method of qualifying a diffraction grating and method of manufacturing an optical element

Method and system for analyzing low-coherence interferometry signals for information about thin film structures

Laser scanning interferometric surface metrology

Interferometric measuring device

Interferometer and method of calibrating the interferometer

Method for optically testing semiconductor devices

Interferometric measuring device

Method for compensating errors in interferometric surface metrology

Surface shape measuring apparatus

Method for measuring optical-phase distribution

Interferometry systems and methods using spatial carrier fringes

Optical-distortion correcting apparatus and optical-distortion correcting method

Method for processing multiwavelength interferometric imaging data

Interferometer system for and a method of determining a surface characteristic by modifying surface height data using corresponding amplitude data

Non-destructive optical imaging system for enhanced lateral resolution

Interferometer for determining characteristics of an object surface

Interferometer with multiple modes of operation for determining characteristics of an object surface

Interferometer for determining characteristics of an object surface, including processing and calibration

Phase shifting interferometric method, interferometer apparatus and method of manufacturing an optical element

Interferometer arrangement and interferometric measuring method

Overlapping common-path interferometers for two-sided measurement

Methods and apparatus for splitting, imaging, and measuring wavefronts in interferometry

Method and apparatus for measuring holding distortion

Mounting mechanism for compensating optics in interferometer

Profilometry through dispersive medium using collimated light with compensating optics

Method for measuring contour variations

Measurement of complex surface shapes using a spherical wavefront

Fizeau interferometer designs for optical coherence tomography

3D and 2D measurement system and method with increased sensitivity and dynamic range

Apparatus and method for measuring thickness and profile of transparent thin film using white-light interferometer

Optical image measuring apparatus

Optical image measuring apparatus and optical image measuring method

Optical measuring device for measuring curved surfaces

Feature isolation for frequency-shifting interferometry

Optical image measuring apparatus

Interferometer for measuring virtual contact surfaces

Method and apparatus for interferometric measurement of components with large aspect ratios

Phase measuring method and apparatus for multi-frequency interferometry

Interferometric measuring device utilizing a slanted probe filter

Optical image measuring apparatus and optical image measuring method

Transparent film measurements

Apparatus and methods for overlay, alignment mark, and critical dimension metrologies based on optical interferometry

Methods and systems for determining optical properties using low-coherence interference signals

Multi-layer Optical Disc And System

Interferometric apparatus and method for surface profile detection

Compact optical apparatus

Vibration resistant interferometry

Vibration resistant interferometry

Non-destructive testing system using a laser beam

Surface profiling apparatus

Method and apparatus for measuring dynamic configuration surface

Optical fiber inspection device

Shape measuring apparatus, shape measuring method, and aligning method

Interferometry systems and methods

Optical image measuring apparatus for obtaining a signal intensity and spatial phase distribution of interference light

Precision surface measurement

Sensing device for measuring the three-dimension shape and its measuring method

Compensation for errors in off-axis interferometric measurements

Scanning interferometer for aspheric surfaces and wavefronts

Method and apparatus for absolute figure metrology

Method and apparatus for three-dimensional spectrally encoded imaging

Measurement system of three-dimensional shape of transparent thin film using acousto-optic tunable filter

Light interference measurement method using computer-generated hologram, and interferometer using this method

Multi-beam probe with adjustable beam angle

Reconfigurable interferometer system

Caching of intra-layer calculations for rapid rigorous coupled-wave analyses

Vibration-resistant interferometer apparatus

Optical profile determining apparatus and associated methods including the use of a plurality of wavelengths in the reference beam and a plurality of wavelengths in a reflective transit beam

Stroboscopic interferometry with frequency domain analysis

Surface topography reconstruction method and system integrating machine learning and spatial frequency analysis

Structured light three-dimensional measurement method based on joint multi-frequency heterodyne and time-gated overlapping coding strategy

Birefringence mitigation in an optical network

System and method for detecting thickness and bow of large-sized wafers

Autonomous vehicle sensing through visually obscuring vegetation

Autonomous vehicle terrain prediction and detection

Solar-based semi-mobile recharge skid

Autonomous vehicle charging station

Autonomous vehicle terrain prediction and detection

Spatially filtered talbot interferometer for wafer distortion measurement

Method and optical system for reconstructing surface of object

On-axis dynamic interferometer and optical imaging systems employing the same

Dynamic fiber optic shape sensing

Spectrally-resolved three-dimensional shape measurement device and spectrally-resolved three-dimensional shape measurement method

Method and apparatus for automating contact between an ATR crystal and a specimen

Inspecting a slab of material

Single snap-shot fringe projection system

Method and apparatus to determine slider-level flatness as provided on a full carrier

High-resolution in-line metrology for roll-to-roll processing operations

Side illumination in interferometry

Interferometer with real-time fringe-free imaging

Three dimensional characterization of silicon wafer Vias from combined on-top microscopic and bottom-through laser fringes measurement

Systems and methods for wafer structure uniformity monitoring using interferometry wafer geometry tool

Systems and methods for using white light interferometry to measure undercut of a bi-layer structure

Method for non-destructive evaluation of ceramic coatings