• Optical heterodyne detection is a method of extracting information encoded as modulation of the phase, frequency or both of electromagnetic radiation in...
    28 KB (3,644 words) - 00:02, 20 June 2025
  • Thumbnail for Heterodyne
    a stand-alone audio effect. Optical heterodyne detection (an area of active research) is an extension of the heterodyning technique to higher (visible)...
    29 KB (3,833 words) - 15:54, 24 May 2025
  • Thumbnail for Homodyne detection
    homodyne detection (BHD) using a positive–intrinsic–negative (PIN) diode. Heterodyne Optical heterodyne detection Chapman, Mark (2002). "Heterodyne and homodyne...
    7 KB (790 words) - 18:03, 27 May 2025
  • domain. This solves two common problems encountered in optical heterodyne detection. First, heterodyne signals are beat frequencies between the signal source...
    7 KB (1,069 words) - 05:48, 19 June 2025
  • Thumbnail for Interferometry
    loudspeaker. Optical heterodyne detection is an extension of the heterodyne technique to higher (visible) frequencies. While optical heterodyne interferometry...
    95 KB (10,986 words) - 18:50, 19 June 2025
  • webcomic Girl Genius Heterodyne (poetry) Heterodyne., Hellnear's doujin music circle Heterodyne detection Optical heterodyne detection This disambiguation...
    398 bytes (78 words) - 23:39, 4 July 2022
  • Thumbnail for Optical coherence tomography
    Medical imaging Novacam Technologies Optical heterodyne detection Optical projection tomography Spectroscopic optical coherence tomography Terahertz tomography...
    91 KB (10,313 words) - 11:02, 9 June 2025
  • Thumbnail for Frequency
    stages of heterodyning can be used. Current research is extending this method to infrared and light frequencies (optical heterodyne detection). Visible...
    21 KB (2,296 words) - 18:44, 2 June 2025
  • Thumbnail for Superheterodyne receiver
    War IIPages displaying short descriptions of redirect targets Optical heterodyne detection – Information method in electromagnetic radiation Reflex receiver –...
    52 KB (6,640 words) - 10:37, 27 May 2025
  • Intensity modulation (category Optical communications)
    modulating signal is typically achieved by direct detection, not heterodyning. However, optical heterodyne detection is possible and has been actively studied...
    4 KB (519 words) - 23:10, 24 May 2025
  • Noise-immune cavity-enhanced optical-heterodyne molecular spectroscopy (NICE-OHMS) is an ultra-sensitive laser-based absorption technique that utilizes...
    11 KB (1,551 words) - 07:51, 27 April 2020
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    coherent detection (best for measuring Doppler shifts, or changes in the phase of the reflected light). Coherent systems generally use optical heterodyne detection...
    130 KB (14,646 words) - 16:40, 16 June 2025
  • Thumbnail for Laser Doppler velocimetry
    can be determined. The signal detection scheme of the instrument is using the principle of optical heterodyne detection. This principle is similar to...
    13 KB (1,678 words) - 20:16, 5 December 2024
  • Thumbnail for Phased array
    synthetic-aperture radar Inverse synthetic-aperture radar Multi-user MIMO Optical heterodyne detection Radar MASINT Reconfigurable antenna Sensor array Side-scan sonar...
    46 KB (5,291 words) - 07:28, 10 May 2025
  • Thumbnail for Laser Doppler vibrometer
    velocimetry Laser microphone Laser scanning vibrometry Laser turntable Optical heterodyne detection Lutzmann, Peter; Göhler, Benjamin; Hill, Chris A.; Putten, Frank...
    16 KB (1,901 words) - 09:30, 19 June 2025
  • cell to take sub-millisecond photographs of nuclear explosions Optical heterodyne detection Zeeman effect Weinberger, P. (2008). "John Kerr and his Effects...
    15 KB (2,239 words) - 19:57, 2 May 2024
  • correctly process multipath. Aperture synthesis Beamforming Optical heterodyne detection Phased array Radar cross-section Synthetic-aperture radar Skolnik...
    10 KB (1,294 words) - 17:38, 31 January 2024
  • astronomyPages displaying short descriptions of redirect targets Optical heterodyne detection – Information method in electromagnetic radiation Quantum biology –...
    32 KB (4,065 words) - 09:40, 12 May 2025
  • quantity. This enables optical heterodyne detection, a frequency-conversion process aimed at shifting a given radiofrequency optical signal component in...
    14 KB (1,461 words) - 16:55, 9 June 2025
  • Thumbnail for Mach–Zehnder interferometer
    configuration in holographic interferometry. In particular, optical heterodyne detection with an off-axis, frequency-shifted reference beam ensures good...
    18 KB (2,414 words) - 07:54, 15 May 2025
  • Thumbnail for Fibre-optic gyroscope
    measurement unit Inertial navigation Vibrating structure gyroscope Optical heterodyne detection Ring laser gyroscope Quantum gyroscope Vali, V.; Shorthill, R...
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  • Laser microphone (category Optical devices)
    Thing (listening device) List of laser articles Laser turntable Optical heterodyne detection Galeyev Glinsky 261 "Schwartz Engineering & Design Laser-Optic...
    4 KB (464 words) - 02:14, 14 May 2025
  • Thumbnail for Frequency mixer
    converter Beam deflection tube Ring modulation Gilbert cell Optical heterodyne detection Intermodulation Third-order intercept point Rusty bolt effect...
    11 KB (1,761 words) - 10:44, 24 March 2025
  • imaging. Astronomical interferometers come in two types—direct detection and heterodyne. These differ only in the way that the signal is transmitted. Aperture...
    14 KB (1,452 words) - 08:23, 14 January 2025
  • antenna. Direct conversion receiver Homodyne detection Heterodyne detection Optical heterodyne detection NE612, oscillator and a Gilbert cell multiplier...
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  • Interferometric synthetic-aperture radar (IfSAR or InSAR) Light field Optical heterodyne detection (SAHD) Synthetic-aperture magnetometry Synthetic-aperture sonar...
    10 KB (1,115 words) - 04:07, 12 June 2025
  • the chief limitation of coherent lidar and coherent imaging in optical heterodyne detection. In the case of near field speckles, the statistical properties...
    38 KB (4,710 words) - 15:54, 15 December 2024
  • Thumbnail for Motion detector
    receives reflections from nearby objects. Exactly as in Doppler radar, heterodyne detection of the received field indicates motion. The detected doppler shift...
    12 KB (1,421 words) - 13:21, 27 April 2025
  • Thumbnail for Radar
    amplification devices, which is reduced using heterodyne amplification. Another reason for heterodyne processing is that for fixed fractional bandwidth...
    103 KB (12,058 words) - 09:42, 23 June 2025
  • Both beams are then collected onto the photodetector where optical heterodyne detection is used to extract the Doppler signal. Even though ideally the...
    50 KB (7,063 words) - 11:14, 3 June 2025