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  2. Optical heterodyne detection - Wikipedia

    en.wikipedia.org/wiki/Optical_heterodyne_detection

    Mutual coherence permits the rainbow in Newton's rings, and supernumerary rainbows. Consequently, optical heterodyne detection is usually performed as interferometry where the LO and signal share a common origin, rather than, as in radio, a transmitter sending to a remote receiver. The remote receiver geometry is uncommon because generating a ...

  3. Coherent optical module - Wikipedia

    en.wikipedia.org/wiki/Coherent_optical_module

    The technical details of coherent optical modules were proprietary for many years, but have recently attracted efforts by multi-source agreement (MSA) groups and a standards development organizations such as the Optical Internetworking Forum. Coherent optical modules can either plug into a front panel socket or an on-board socket. Coherent ...

  4. Coherent anti-Stokes Raman spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Coherent_anti-Stokes_Raman...

    Coherent anti-Stokes Raman spectroscopy, also called Coherent anti-Stokes Raman scattering spectroscopy (CARS), is a form of spectroscopy used primarily in chemistry, physics and related fields. It is sensitive to the same vibrational signatures of molecules as seen in Raman spectroscopy , typically the nuclear vibrations of chemical bonds.

  5. Optical coherence tomography - Wikipedia

    en.wikipedia.org/wiki/Optical_coherence_tomography

    Optical coherence tomogram of a fingertip. It is possible to observe the sweat glands, having "corkscrew appearance" Interferometric reflectometry of biological tissue, especially of the human eye using short-coherence-length light (also referred to as partially-coherent, low-coherence, or broadband, broad-spectrum, or white light) was investigated in parallel by multiple groups worldwide ...

  6. Optical phase space - Wikipedia

    en.wikipedia.org/wiki/Optical_phase_space

    Optical phase diagram of a coherent state's distribution across phase space. In quantum optics, an optical phase space is a phase space in which all quantum states of an optical system are described. Each point in the optical phase space corresponds to a unique state of an optical system.

  7. Optical coherence tomography angiography - Wikipedia

    en.wikipedia.org/wiki/Optical_Coherence...

    OCTA detects moving particles (red blood cells) by comparing sequential B-scans at the same cross-sectional location.To simply put it, the backscattered light reflected back from static samples would remain the same over multiple B-scans while the backscattered light reflected back from moving samples would fluctuate.

  8. Dolinar receiver - Wikipedia

    en.wikipedia.org/wiki/Dolinar_receiver

    The Dolinar Receiver [1] is a device based upon the Kennedy receiver [2] that may be used to discriminate between two or more low-amplitude coherent states of light using displacements and adaptive measurements.

  9. Oct - Wikipedia

    en.wikipedia.org/wiki/Oct

    Optical coherence tomography, an imaging method; Organic cation transport protein, a type of protein; Optimal cutting temperature compound, used in histology; Oncology clinical trial, a clinical trial in cancer research; Oxytocin challenge test, a type of contraction stress test in late stage pregnancy