An optical channel monitor (OCM) is a device used in optical communication systems to monitor and analyze the performance of individual channels within a wavelength-division multiplexing (WDM) system. In WDM systems, multiple optical signals, each...

A filter that maximizes signal-to-noise ratio so that a waveform of known shape can be separated from random noise.

Pixel binning, also known as pixel merging or pixel combining, is a technique used in digital imaging and camera technology....

The ratio of the power in a desired signal to the undesirable noise present in the absence of a signal.

Photoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals....

An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...

Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...

An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...

In a thermal imaging system, the change in temperature that yields a signal-to-noise ratio of unity.

Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...

At a given modulation frequency, wavelength, and for a given effective noise bandwidth, the radiant power that produces a...

A lock-in amplifier is a specialized electronic instrument used to extract and measure small signals embedded in noise or...

FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...

A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...

The signal-to-noise ratio (SNR) obtained with a Fourier transform spectrometer when detector noise prevails, which exceeds...

Quantum sensing refers to a class of sensing technologies that leverage principles from quantum mechanics to enhance the...

A scintillation detector is a radiation detection device that utilizes scintillation crystals to detect and measure ionizing...

A signal-averaging device that improves signal-to-noise ratio by comparing a sampled signal with a time-delayed form of...

A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....

Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...

A method of improving the signal-to-noise ratio of an interferogram by adding another interferogram to it.

Quantum-enhanced metrology refers to the use of quantum mechanics principles and techniques to enhance the precision and...

Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

An imaging process in which the single opening of a simple pinhole camera is replaced with many openings called,...

A signal-averaging technique that improves signal-to-noise ratio by comparing a sampled signal with a reference signal...