Optical Device And Spectroscopic Device

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

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

OPTICAL INTERFERENCE RANGE SENSOR

System and method for correcting optical path length measurement errors

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

Optical deflector parameter measurement device, method, and program

Laser interference device

Method for monitoring time-dependent properties of light during scanning swept-source optical coherence tomography

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

Reflective condensing interferometer

Common path mode fiber tip diffraction interferometer for wavefront measurement

Retro-interferometer having active readjustment

Arrangement and method for robust single-shot interferometry

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

System for Performing Dual Path, Two- Dimensional Optical Coherence Tomography(OCT)

Apparatus and method for measurement of multilayer structures

Phase-sensitive optical coherence tomography to measure optical aberrations in anterior segment

Method for signal processing in optical coherence tomography by means of a tunable light source

Measuring a cavity by means of interference spectroscopy

Large range, high resolution interferometer for wide range of sensing applications

Compact and low cost beam launcher using planar lightwave circuit

Optical sectioning apparatus using advanced optical interference microscopy

Polarization sensitive optical coherence tomography using multiple polarization sensitive semiconductor optical amplifiers

Method of air refractive index correction for absolute long distance measurement

Methods and Apparatus for Swept-Source Optical Coherence Tomography

Swept-source optical coherence tomography (SS-OCT) phase stabilization with reference signal calibration

System for performing dual path, two-dimensional optical coherence tomography (OCT)

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

Optical coherence tomography microscopy apparatus and method for detecting a three-dimensional image of an object

Associated interferometers using multi-fiber optic delay lines

Apparatus for optical interferometric measurement and method for the same

Method and apparatus for processing the signal in spectral domain interferometry and method and apparatus for spectral domain optical coherence tomography

Methods and apparatus for swept-source optical coherence tomography

System for performing dual path, two-dimensional optical coherence tomography (OCT)

Polarization sensitive optical coherence tomography using multiple polarization sensitive semiconductor optical amplifiers

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

Systems and methods for phase measurements

Measurement apparatus for measuring shape of test object and measurement method

Apparatus and method for measuring distance

Measuring apparatus

Grazing incidence interferometer

Interferometric material sensing apparatus including adjustable reference arm and associated methods

Optical interferometer

Fixed wavelength absolute distance interferometer

OPTICAL INTERFEROMETER

Interferometric distance measuring method with spectrally separable double chirp and device

Methods and apparatus for swept-source optical coherence tomography

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

Systems and methods for optically generated trigger multiplication

Methods and apparatus for swept-source optical coherence tomography

Apparatus for measurement of the axial length of an eye

Interferometric distance-measuring method with delayed chirp signal and such an apparatus

Laser gauge interferometer

Measurement apparatus for calculation of substrate tilt, exposure apparatus, and device fabrication method

Interference measuring device

Interferometer system and method for its operation

Optical interference measuring apparatus

Measurement apparatus, exposure apparatus, and device fabrication method

Systems and methods for phase measurements

Length measuring apparatus

Displacement measuring instrument and displacement measuring method

Lightwave interferometric distance measuring method and apparatus using an optical comb

Interferometric device for position measurement and coordinate measuring machine

Precision length standard for coherent laser radar

Apparatus for measurement of the axial length of an eye

Ultra precision profile measuring method

Phase noise compensation for interferometric absolute rangefinders

Methods and apparatus for swept-source optical coherence tomography

Method for enhancing the measuring accuracy when determining the coordinates of structures on a substrate

Self referencing heterodyne reflectometer and method for implementing

Dual laser high precision interferometer

Method for determining the refractive index during interferometric length measurement and interferometric arrangement therefor

Precision length standard for coherent laser radar

Interferometer optical element alignment

Method and apparatus for monitoring an interferometer

Optical feedback from mode-selective tuner

Phase-resolved measurement for frequency-shifting interferometry

Waveguide-based optical interferometer

Systems and methods for phase measurements

Downhole optical sensor system with reference

Systems and methods for phase measurements

System and method of phase-locked fiber interferometry

Apparatus for a dynamic multi-axis heterodyne interferometric vibrometer