physics, two-photon absorption (TPA or 2PA), also called two-photon excitation or non-linear absorption, is the simultaneous absorption of two photons of identical...
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3D optical data storage (redirect from Two-Photon 3-D Optical Data Storage)
directed at providing chromophores with high two-photon absorption cross-sections. Writing by two-photon absorption can be achieved by focusing the writing...
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multiphoton absorption, the background signal is strongly suppressed. Both effects lead to an increased penetration depth for this technique. Two-photon excitation...
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Pump–probe microscopy (section Two-photon absorption)
classic method of nonlinear absorption used by microscopists is conventional two-photon fluorescence, in which two photons from a single source interact...
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Mayer to this area, the unit for the two-photon absorption cross section is named the "GM". One GM is 10−50 cm4⋅s⋅photon−1. In the context of ozone shielding...
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non-degenerate two-photon absorption (ND-TPA or ND-2PA) or two-color two-photon excitation is a type of two-photon absorption (TPA) where two photons with different...
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Silicon photonics (section Two-photon absorption)
phenomena including the Kerr effect, the Raman effect, two-photon absorption and interactions between photons and free charge carriers. The presence of nonlinearity...
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techniques have since been developed, including the one-photon LIF technique and the two-photon absorption laser-induced fluorescence (TALIF). TALIF is a modification...
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Photon upconversion (UC) is a process in which the sequential absorption of two or more photons leads to the emission of light at shorter wavelength than...
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Multiphoton lithography (redirect from Multi-photon lithography)
wavelength. The main difference is the avoidance of photomasks. Instead, two-photon absorption is utilized to induce a change in the solubility of the resist for...
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Goeppert Mayer wrote her doctoral thesis on the theory of possible two-photon absorption by atoms. At the time, the chances of experimentally verifying her...
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two-photon absorption (TPA) cross-sections obtained using left circular polarized light and right circular polarized light (see Figure 1). Typically, two-photon...
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Visible spectrum (section Opsin absorption)
suggesting direct absorption by the L-opsin, there are also reports that pulsed NIR lasers can evoke green, which suggests two-photon absorption may be enabling...
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constant for absorption. For the reverse process, there are two possibilities: spontaneous emission of a photon, or the emission of a photon initiated by...
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(second-harmonic generation). In addition, in such crystals, one-photon absorption (OPA) and two-photon absorption (TPA) processes are mutually exclusive, i.e., they...
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Two-photon photovoltaic effect (TPP effect) is an energy collection method based on two-photon absorption (TPA). The TPP effect can be thought of as the...
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of second-harmonic generation (SHG). Other techniques based on two-photon absorption may also be used in autocorrelation measurements, as well as higher-order...
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Heat transfer physics (section Photon)
ISBN 978-9814295741. Garcia, H.; Kalyanaraman, R. (2006). "Phonon-assisted two-photon absorption in the presence of a dc-field: the nonlinear Franz–Keldysh effect...
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to measure the non-linear absorption coefficient Δα. The main cause of non-linear absorption is due to two-photon absorption. When measuring the nonlinear...
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include the signal resulting from two-photon absorption and stimulated Raman amplification. Two-photon absorption occurs in samples that are generally...
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of Chromosome 2 (human) 2p, an atomic orbital for electrons Two-photon absorption Two-photon excitation microscopy Airphil Express, a Philippines airline...
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Transpalatal arch, an orthodontic device Tris(2-pyridylmethyl)amine Two-photon absorption Televisão Pública de Angola, the state-owned TV station in Angola...
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generally, various types of photochemistry, and nuclear processes. Two-photon absorption Virtual particle Feshbach resonance Shape resonance "A glossary...
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longer holds. The first nonlinear optical effect to be predicted was two-photon absorption, by Maria Goeppert Mayer for her PhD in 1931, but it remained an...
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source needed] Two-photon absorption Colin S, Contesse E, Boudec PL, Stephan G, Sanchez F (1996). "Evidence of a saturable-absorption effect in heavily...
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allowed two photon absorption. Antihydrogen atoms excited to the 2s state can then evolve in one of several ways: They can emit two photons and return...
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i.e., photons, from the radiating field. The intensity of the absorption varies as a function of frequency, and this variation is the absorption spectrum...
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second-order nonlinearity, as well as optical transparency and low two-photon absorption. This makes silicon carbide viable to be an alternate platform for...
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understanding fluorescence (these rules do not necessarily apply to two-photon absorption). Kasha's rule states that the luminesce (fluorescence or phosphorescence)...
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forms of 3D printing—including layer-by-layer stereolithography and two-photon absorption 3D photopolymerization—use photopolymerization. Multiphoton polymerization...
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