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Nonlinear optics. Structure of KTP crystal, viewed down b axis, used in second harmonic generation. Nonlinear optics (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the polarization density P responds non-linearly to the electric field E of the light.
Nonlinear Photonic Crystals. Broadly speaking, nonlinear photonic crystals (PC) are periodic structures whose optical response depends on the intensity of the optical field that propagates into the crystal. An immediate consequence is that such structures have new optical properties with improved or new functionalities that cannot be obtained ...
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, including optical, radio, atmospheric, and magnetohydrodynamic systems. [1] As a prototype behavior of waves, SHG is widely used, for example, in doubling laser ...
Category. : Nonlinear optics. Wikimedia Commons has media related to Nonlinear optics. Nonlinear optics is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed at very high ...
Nicolaas Bloembergen (March 11, 1920 – September 5, 2017) was a Dutch - American physicist and Nobel laureate, recognized for his work in developing driving principles behind nonlinear optics for laser spectroscopy. [1] During his career, he was a professor at Harvard University and later at the University of Arizona and at Leiden University ...
Harmonic generation. N-th harmonic generation. Harmonic generation (HG, also called multiple harmonic generation) is a nonlinear optical process in which photons with the same frequency interact with a nonlinear material, are "combined", and generate a new photon with times the energy of the initial photons (equivalently, times the frequency ...
Sum-frequency generation. Sum-frequency generation (SFG) is a second order nonlinear optical process based on the mixing of two input photons at frequencies and to generate a third photon at frequency . [1] As with any optical phenomenon in nonlinear optics, this can only occur under conditions where: the light is interacting with matter, that ...
Lithium triborate (LiB 3 O 5) or LBO is a non-linear optical crystal. It has a wide transparency range, moderately high nonlinear coupling, high damage threshold and desirable chemical and mechanical properties. This crystal is often used for second harmonic generation (SHG, also known as frequency doubling ), for example of Nd:YAG lasers (1064 ...