Optical Measurements TRIZ Cases

A scanning probe microscope uses heterodyne detection to measure molecular vibration amplitude and phase directly.

An infrared transmitter detects interference light during signal transmission to prevent data collisions.

A multi-reference wavefront sensor uses a collimator array and single spatial filter to measure multiple wavefronts simultaneously on one detector.

A zero-power optical blade generates simultaneous focused and defocused images to estimate wavefront error without complex active mechanisms.

Hilbert filtering removes continuous components from self-mixing interferometric signals, eliminating hysteresis and fading effects.

A phase modulator system alters the optical phase of deep ultraviolet pulses to reduce temporal coherence and suppress speckle patterns in lithography exposure.

Two reflection members reduce optical path difference below coherence length, enabling high-sensitivity collimation evaluation of short-pulse light.

Spatial demodulation via off-axis holography extracts optical phase information, reducing incoherent noise and maximizing camera bandwidth.

A dual beam splitter optical system manages light polarization states for precise wavefront analysis in ophthalmic surgery.

Replacing fused fiber couplers with free-space beam splitters maintains consistent polarization states, preventing signal fade in interferometry systems.

Micro-lens array multiplexes a collimated local oscillator beam for simultaneous heterodyne detection across an extended field of view.

A multichannel optical receiver separates light into parallel beams to detect interferograms with distinct carrier frequencies.

Three-dimensional interferometer measures local phase of incident waves by utilizing spatial coherence information in three dimensions.

A metalens array focuses incident light of different wavelengths to distinct focal plane positions for precise wavefront sensing.

An integrated wavelength locker uses an asymmetric Mach-Zehnder interferometer with active tuning elements to detect optical frequency signals.

A multi-region etalon splits input beams to enable self-normalizing frequency determination without external references.

Split beam interferometry enhances signal amplitude to reduce shot noise from light pedestals.

Partially reflecting ellipsoidal reflector images coherent laser array beams to enable electronic phase measurement.

Lateral electrodes apply acceleration voltage during the relaxation phase to reduce liquid crystal response time and increase operating frequency.

Replacing slow mechanical galvanometers with a rotating polygon scanner enables video-rate optical imaging by achieving tuning speeds exceeding 15 kHz.

A testing device uses non-polarized light and quarter-wave films to measure optical properties efficiently.

Spatial light modulator shapes ultrashort pulse phase spectrum, avoiding iterative optimization convergence failures and reducing measurement time.

Linear scanning with shaped illumination acquires angular data for quantitative phase tomography, eliminating mechanical rotation systems.

Merges a Hartmann mask with a mirror substrate to detect wavefronts, reducing system complexity and response time in adaptive optics.

Spatially separated dual-frequency beams eliminate periodic nonlinearity and beat frequency limits, enabling high-resolution measurements at target speeds.

A point diffraction interferometer uses a null seeking servomechanism to control light transmissive elements for precise phase shifting.

Scrambling detector phases enables image subtraction to correct temporal gain variations, reducing system weight while maintaining resolution.

Computational wavefront correction removes coherent disturbances from interferometer components during optical surface shape determination.

Resilient flexure bearings pre-isolate mirror tilt errors, enabling faster servo correction and stable spectral data.

A radiation source monitors laser beam quality to maintain stable plasma emission.

Heterodyne detection tracks dynamic phase disturbances by adjusting reference beam frequency via feedback control.

An acousto-optic tunable filter replaces slow thermal regulation with acoustic waves to achieve high-speed optical spectrum analysis without mechanical parts.

Second-order interferometry detects weak femtosecond pulses using time-frequency modulation and coincidence counting.

A detector analyzes phase and intensity of electromagnetic fields interacting with a reference object to determine three-dimensional position variations.

A carbon nanotube photosensitive device converts light signals into temperature or potential differences for image capture.

A spectroscope uses a cylindrical lens array to form moire fringes for precise spectrum detection.