• Thumbnail for Second-harmonic generation
    Second-harmonic generation (SHG), also known as frequency doubling, is the lowest-order wave-wave nonlinear interaction that occurs in various systems...
    52 KB (6,841 words) - 01:18, 9 July 2024
  • Thumbnail for Harmonic generation
    Harmonic generation (HG, also called multiple harmonic generation) is a nonlinear optical process in which n {\displaystyle n} photons with the same frequency...
    7 KB (786 words) - 16:36, 5 April 2024
  • High-harmonic generation (HHG) is a non-linear process during which a target (gas, plasma, solid or liquid sample) is illuminated by an intense laser...
    22 KB (2,914 words) - 00:59, 27 August 2024
  • Thumbnail for Nonlinear optics
    of two-photon absorption at Bell Labs and the discovery of second-harmonic generation by Peter Franken et al. at University of Michigan, both shortly after...
    53 KB (6,736 words) - 22:47, 7 June 2024
  • Half-harmonic generation (also called wavelength doubling or frequency halving) is a nonlinear optical process in which photons "split" to generate pairs...
    3 KB (396 words) - 02:41, 28 November 2023
  • Surface second harmonic generation is a method for probing interfaces in atomic and molecular systems. In second harmonic generation (SHG), the light...
    22 KB (2,971 words) - 19:10, 8 October 2024
  • Thumbnail for Harmonic
    1st harmonic; the other harmonics are known as higher harmonics. As all harmonics are periodic at the fundamental frequency, the sum of harmonics is also...
    24 KB (2,206 words) - 01:19, 21 June 2024
  • _{1}+\hbar \omega _{2}} A special case of sum-frequency generation is second-harmonic generation, in which ω 1 = ω 2 {\displaystyle \omega _{1}=\omega _{2}}...
    3 KB (429 words) - 18:28, 18 March 2023
  • Thumbnail for Second-harmonic imaging microscopy
    Second-harmonic imaging microscopy (SHIM) is based on a nonlinear optical effect known as second-harmonic generation (SHG). SHIM has been established...
    48 KB (5,024 words) - 15:52, 26 June 2024
  • Thumbnail for Extreme ultraviolet
    naturally generated by the solar corona and artificially by plasma, high harmonic generation sources and synchrotron light sources. Since UVC extends to 100 nm...
    13 KB (1,518 words) - 03:52, 22 September 2024
  • Thumbnail for Anne L'Huillier
    equation in order to understand the generation of high-order harmonics. They first predicted the shape of the high harmonics spectrum and the phase-matching...
    17 KB (1,466 words) - 10:37, 8 October 2024
  • Optical frequency multiplier (category Second-harmonic generation)
    second-harmonic generation (SHG, also called frequency doubling), or sum-frequency generation which sums two non-similar frequencies. Direct third-harmonic generation...
    3 KB (296 words) - 06:11, 2 September 2024
  • High Harmonic Generation (HHG) is a non-perturbative and extremely nonlinear optical process taking place when a highly intense ultrashort laser pulse...
    9 KB (1,103 words) - 15:10, 16 October 2023
  • Thumbnail for Attosecond physics
    isolated-attosecond light pulses (generated by the non-linear process of high harmonic generation in a noble gas) (2004, 2006), which have given birth to the field...
    45 KB (6,071 words) - 13:36, 4 October 2024
  • Kleinman symmetry (category Second-harmonic generation)
    to impose, however it is useful for certain cases like in second harmonic generation (SHG). Here, it is always possible to permute the last two indices...
    4 KB (578 words) - 09:09, 13 January 2024
  • applications. High harmonic generation (HHG) is a nonlinear process where intense laser radiation is converted from one fixed frequency to high harmonics of that...
    27 KB (3,671 words) - 20:49, 19 October 2024
  • Thumbnail for Optical autocorrelation
    autocorrelation signal is generated by the nonlinear process of second-harmonic generation (SHG). Other techniques based on two-photon absorption may also be...
    10 KB (1,151 words) - 09:04, 19 February 2024
  • of Henderson Group, a global investment management company High-harmonic generation, a non-linear process during which a target is illuminated by an...
    547 bytes (91 words) - 09:54, 22 August 2023
  • system, a harmonic of a voltage or current waveform is a sinusoidal wave whose frequency is an integer multiple of the fundamental frequency. Harmonic frequencies...
    25 KB (4,090 words) - 02:05, 24 June 2024
  • output will only contain even harmonics. This is because the currents which would generate the fundamental and the odd harmonics in this circuit are canceled...
    31 KB (4,334 words) - 20:45, 16 August 2024
  • Thumbnail for Monopotassium phosphate
    Monopotassium phosphate (category Second-harmonic generation)
    used in optical modulators and for non-linear optics such as second-harmonic generation (SHG). Also, to be noted is KD*P, potassium dideuterium phosphate...
    10 KB (698 words) - 19:52, 28 November 2023
  • probe force microscopy (KFM) and the electric-field induced second harmonic generation. In the semiconductor industry, Cross-Bridge Kelvin Resistor(CBKR)...
    18 KB (1,854 words) - 03:41, 23 October 2024
  • Thumbnail for Rusty bolt effect
    suppression. This gives rise to undesired interference, including the generation of harmonics or intermodulation. Rusty objects that should not be in the signal-path...
    6 KB (943 words) - 06:09, 19 September 2024
  • Thumbnail for Quantum dot
    transistors, solar cells, LEDs, lasers, single-photon sources, second-harmonic generation, quantum computing, cell biology research, microscopy, and medical...
    113 KB (13,218 words) - 10:20, 14 October 2024
  • Thumbnail for Centrosymmetry
    the piezoelectric effect and the frequency doubling effect (second-harmonic generation). In addition, in such crystals, one-photon absorption (OPA) and...
    4 KB (392 words) - 18:50, 27 February 2024
  • 1987 by Yuen-Ron Shen and his students as an extension of second harmonic generation spectroscopy and rapidly applied to deduce the composition, orientation...
    15 KB (2,592 words) - 17:35, 7 October 2024
  • Quasi-phase-matching (category Second-harmonic generation)
    the nonlinearly-generated signal amplitude in the case of second harmonic generation, where a strong pump at ω 1 {\displaystyle \omega _{1}} produces...
    14 KB (2,548 words) - 09:29, 10 May 2024
  • Thumbnail for Hyper–Rayleigh scattering
    light (or other electromagnetic radiation) to higher frequencies via harmonic generation processes, in a way that the intensity of generated light depends...
    10 KB (977 words) - 09:07, 16 December 2023
  • Thumbnail for Light
    Light (redirect from Light generation)
    laser source appeared green, which suggests the presence of second harmonic generation in the retina. Lynch, David K.; Livingston, William Charles (2001)...
    51 KB (6,351 words) - 15:45, 4 October 2024
  • Thumbnail for Surface plasmon
    on surface plasmons were developed. In surface second harmonic generation, the second harmonic signal is proportional to the square of the electric field...
    13 KB (1,394 words) - 11:55, 18 May 2024