optical frequency

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• Optical frequency multiplier — An optical frequency multiplier is a nonlinear optical device, in which photons interacting with a nonlinear material are effectively combined to form new photons with greater energy, and thus higher frequency (and shorter wavelength). Two types… …   Wikipedia

• Optical Frequency Division Multiplexing — Multiplexverfahren (lat. multiplex „vielfach, vielfältig“) sind Methoden zur Signal und Nachrichtenübertragung, bei denen mehrere Signale zusammengefasst (gebündelt) und simultan über ein Medium (Leitung, Kabel oder Funkstrecke) übertragen werden …   Deutsch Wikipedia

• Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH …   Wikipedia

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… …   Wikipedia

• Optical modulators using semiconductor nano-structures — Contents 1 Optical modulators using semiconductor nano structures 1.1 Electro optic modulator of nano structures 1.2 Acousto optic modulator of nano structures …   Wikipedia

• Optical tomography — Intervention MeSH D041622 Optical tomography is a form of computed tomography that creates a digital volumetric model of an object by reconstructing images made from light transmitted and scattered through an …   Wikipedia

• Frequency-resolved optical gating — Frequency Resolved Optical Gating, plus couramment désigné par son acronyme FROG, est une méthode de mesure des impulsions lumineuses ultra brèves (de l ordre de la femtoseconde) par auto corrélation. Son principe repose sur un montage de type… …   Wikipédia en Français

• Frequency Scanning Interferometry — (FSI) is an absolute distance measurement technique, for measuring the distance between a pair of points, along a line of sight. The power of the FSI technique lies in its ability to make many such distance measurements, simultaneously. For each… …   Wikipedia

• Optical downconverter — (ODC) is an example of a non linear optical process, in which two beams of light of different frequencies ω1 and ω2 interact, creating microwave with frequency ω3 = ω1 − ω2. It is a generalization of microwave. In the latter, ω1 = ω2, both of… …   Wikipedia

• 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… …   Wikipedia