WHITE LIGHT INTERFEROMETER AND METHOD OF ADJUSTING INTERFERENCE OPTICAL SYSTEM

OPTICAL INTERFERENCE MEASURING METHOD

Optical Coherence Tomography System for Subsurface Inspection

METHODS AND SYSTEMS FOR CONFOCAL FUNCTION DETERMINATION AND CORRECTION IN AN OCT IMAGING SYSTEM

THIN FILM THICKNESS ADJUSTMENTS FOR THREE-DIMENSIONAL INTERFEROMETRIC MEASUREMENTS

SYSTEM AND METHOD TO REDUCE MEASUREMENT ERROR IN INTERFEROMETRY-BASED METROLOGY

METHOD AND SYSTEM FOR ADJUSTING A REFERENCE SECTION OF AN OCT SYSTEM

OPTICAL MEASUREMENT DEVICE

FILTERING FOR CO-SENSOR FUSION IN ATOMIC SENSORS

AN INTERFEROMETER SYSTEM, POSITIONING SYSTEM, A LITHOGRAPHIC APPARATUS, A JITTER DETERMINATION METHOD, AND A DEVICE MANUFACTURING METHOD

Method of measuring electro-optic characteristic of a traveling wave mach-zehnder modulator and device for same

METHOD, MEASURING DEVICE, MACHINING SYSTEM AND COMPUTER PROGRAM PRODUCT FOR DETERMINING A CORRECTED HEIGHT SIGNAL FROM MEASUREMENT DATA OBTAINED WITH OPTICAL COHERENCE TOMOGRAPHY

HETERODYNE GRATING INTERFEROMETRY SYSTEM BASED ON SECONDARY DIFFRACTION

INTERFEROMETER SYSTEM, METHOD OF DETERMINING A MODE HOP OF A LASER SOURCE OF AN INTERFEROMETER SYSTEM, METHOD OF DETERMINING A POSITION OF A MOVABLE OBJECT, AND LITHOGRAPHIC APPARATUS

LASER INTERFEROMETER

In-Situ Residual Intensity Noise Measurement Method And System

Self-configuration and error correction in linear photonic circuits

Optical measurement system, optical measurement method, and non-transitory storage medium having measurement program stored thereon

Device for measuring a substrate and method for correcting cyclic error components of an interferometer

Interferometer system, method of determining a mode hop of a laser source of an interferometer system, method of determining a position of a movable object, and lithographic apparatus

Heterodyne photonic integrated circuit for absolute metrology

Swept frequency photonic integrated circuit for absolute metrology

External parameter calibration method for robot sensors and apparatus and robot with the same

Differential sinusoidal phase modulation laser interferometric nanometer displacement measuring apparatus and method

Analysis apparatus, analysis method, and interference measurement system

Angle sensor with offline error correction

Sinusoidal frequency sweeping interferometric absolute distance measurement apparatus and method with dynamic offset frequency locking

METHODS AND APPARATUS FOR PHASE STABILIZED SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY (SS-OCT) INCLUDING RESCALING AND DYNAMIC RANGE ENHANCEMENT

Method for compensating a magnetic locator, locator and computer program

Method for improving phase stability of phase unstable optical coherence tomography

Spatial accuracy correction method and apparatus

Measuring a cavity by means of interference spectroscopy

Measuring the position of objects in space

Compact and low cost beam launcher using planar lightwave circuit

Method and apparatus for motion compensation in interferometric sensing systems

Dual-homodyne laser interferometric nanometer displacement measuring apparatus and method based on phase modulation

Interference measurement device having a variable phase element

Dispersion correction in optical frequency-domain reflectometry

Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal

Methods and apparatus for phase stabilized swept-source optical coherence tomography (SS-OCT) including rescaling and dynamic range enhancement

Position measurement with illumination profile having two diametrically opposed off-axis radiation

Optical-coherence-tomography apparatus and surface-emitting laser

High-speed optical coherence tomography using multiple interferometers with suppressed multiple scattering cross-talk

Laser heterodyne interferometric straightness measurement apparatus and method with six DOFs determination

Method of measuring a change in an optical path length using differential laser self-mixing interferometry and a differential laser self-mixing interferometry measuring system

Silicon based pressure and acceleration optical interferometric sensors with housing assembly

Post-processing reduction of fixed pattern artifacts and trigger jitter in swept-source optical coherence tomography

Dispersion correction in optical frequency-domain reflectometry

Apparatus for optical interferometric measurement and method for the same

Detection of missampled interferograms in frequency domain OCT with a k-clock

Digital holography three-dimensional imaging apparatus and digital holography three-dimensional imaging method

Optical measuring probe and method for optically measuring inner diameters

Optical sensor

Position measurement with illumination profile having regions confined to peripheral portion of pupil

Modular passive refrigeration container

Dual beam splitter interferometer measuring 3 degrees of freedom, system and method of use

Processing data from a distributed fibre-optic interferometric sensor system

OPTICAL TOMOGRAPHIC IMAGE ACQUIRING DEVICE

MEASUREMENT APPARATUS

Laser heterodyne interferometric signal processing method based on locking edge with high frequency digital signal

Spectral characteristics measurement device and spectral characteristics measurement method

Interferometric determination of distance change with laser diode, high bandwidth detection and fast signal processing

Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems

Simultaneous refractive index and thickness measurements with a monochromatic low-coherence interferometer

Real-time 3D and 4D fourier domain doppler optical coherence tomography system

Distortion corrected optical coherence tomography system

Program for correcting data measured by PS-OCT and PS-OCT system equipped with the program

Position monitoring system with reduced noise

Displacement measurement apparatus and displacement measurement method

Method for reducing noise in tomographic image and recording medium having noise reducing program stored therein

Lateral distortion corrected optical coherence tomography system

Apparatus and method for measuring distance

Frequency domain optical coherence tomography image noise reduction by subtraction of adjacent depth data

Multi-wavelength interferometer, measurement apparatus, and measurement method

DEVICE FOR THE OPTICAL MEASUREMENT OF A PHYSICAL PARAMETER

Optical phase extraction system having phase compensation function of closed loop type and three-dimensional image extraction method thereof

Systems and methods for improved balanced detection in optical coherence tomography imaging

Distance measuring device and distance measuring method

OPTICAL INTERFEROMETER SYSTEM WITH DAMPED VIBRATION AND NOISE EFFECT PROPERTY

Single shot full-field reflection phase microscopy

Spectral phase analysis for precision ranging

Measurement apparatus

Measurement apparatus

Multi-core low reflection lateral output fiber probe

Method and apparatus for measuring shape

Optical interferometer

Shape measuring apparatus

Apparatus for measuring rotationally symmetric aspheric surface

Optical imaging for optical device inspection

SYSTEMS, METHODS, DEVICES, AND COMPUTER READABLE MEDIA FOR TERAHERTZ RADIATION DETECTION

Compact fiber optic geometry for a counter chirp FMCW coherent laser radar

Form measuring device and method of aligning form data

Laser gauge interferometer

Interferometer system and method for its operation

Robust Long Wire Resistance Thermometer

Optical interference measuring apparatus

Scanning microscope using heterodyne interferometer

Interferometric distance measurement with harmonic frequency comb generated beams

Length measuring apparatus

Displacement measuring instrument and displacement measuring method

Dynamic Air Turbulence Compensation for Laser Measurement Apparatus

Phase noise compensation for interferometric absolute rangefinders

Scanning interferometry for thin film thickness and surface measurements

Interferometric Height Measurement

Interferometric height measurement

Stage apparatus, control system, exposure apparatus, and device manufacturing method

Three-dimensional shape measuring method and apparatus

Method and system for predicting and correcting signal fluctuations of an interferometric measuring apparatus

Compensation of effects of atmospheric perturbations in optical metrology

Low non-linear error displacement measuring interferometer

Apparatus and method for measurement and compensation of atmospheric turbulence effects in wavefront interferometry

Cyclic error compensation in interferometry systems

Measuring device and method for determining relative positions of a positioning stage configured to be moveable in at least one direction

Dynamic reference plane compensation

Compensation of turbulent effects of gas in measurement paths of multi-axis interferometers

Method and system for interferometric height measurement

Interferometry systems and methods of using interferometry systems

Method and apparatus for monitoring an interferometer

Interferometer system, signal processing method in interferometer system, and stage using signal processing

Error correction in interferometry systems

Vibration resistant interferometry

Vibration resistant interferometry

Waveguide-based optical interferometer

Cyclic error compensation in interferometry systems

Scanning interferometry for thin film thickness and surface measurements

Downhole optical sensor system with reference

Calibration and error correction in multi-channel imaging

Lithographic apparatus, device manufacturing method, and computer program

Optical coherence tomography system for subsurface inspection

Heterodyne photonic integrated circuit for absolute metrology