An avalanche photodiode measures photocurrents in photodiode and multiplication modes to identify incoming light wavelength.
A three-dimensional lensless interferometer reconstructs high-resolution images using wavefront inversion and non-planar beam paths.
A biosensor sample box uses metamaterial patterns to generate structured light beams for biomaterial detection.
An iterative wavefront compensation system modulates optical modes to correct distortions in biological samples.
A curved reflector element couples out a portion of the focused laser beam for spatially resolving sensor measurement.
A phase detection device monitors three-phase driving circuit voltage to send pulse signals for color wheel synchronization.
A liquid crystal microlens array subdivides incident wavefronts into beams using voltage-controlled refractive index gradients.
A rib waveguide polarization beam splitter demultiplexes and multiplexes optical signals using a Mach-Zehnder interferometer structure.
A universal metasurface paired with a polarization sensor captures light intensity, phase, and polarization data in a single shot.
Photonic integrated chip spectrometer detects thermal wavelength drifts using a reference line to correct monitored shifts without active temperature control.
A reflecting telescope uses a light beam splitting device to direct multiple optical beams toward separate detectors.
A frequency detection pixel uses capacitive elements to average noise components across multiple acquisition channels.
Compensates for intensity non-uniformity between beams to reduce measurement errors in digital holography.
Compact optical bench with fast steering mirrors compensates for wavefront errors, enabling accurate spatial data collection from smaller aircraft platforms.
A heterodyne phase measurement device uses optical frequency shifting to achieve high-speed and high-precision phase detection.
A narrow band laser apparatus uses pulsed voltage calibration to control spectral width.
A wavelength determining device measures input light using interference fringes and applies a correction coefficient to the measured value.
Dual-pass amplification in swept source OCT systems prevents bandwidth broadening at high frequencies by accumulating sufficient energy during re-amplification.
Symmetrical winding creates sectorized optical fiber coils enabling homogeneous glue infiltration to eliminate thermal drifts in interferometers.
Mach-Zehnder interferometer uses doubly-corrugated spoofed surface plasmon polariton waveguides to modulate phase.
AOPDF-based dual pulse shaper reduces optical element count to resolve complexity stability trade-off in 2D spectroscopy.
A dual-band optical system multiplexes a reference signal to stabilize phase offsets in communication channels.
I/Q domain differentiation isolates moving objects from static interference in time of flight distance sensing, enabling accurate measurements up to 2 meters.
Evaluator determines phase difference via compensated I and Q components drawn as an ellipsoid, reducing errors from ±1.3° to ±0.3°.
A hybrid wavefront sensor merges Shack-Hartmann and Zernike capabilities into a single optical path.