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from article Laser photochemistry
Excitation scheme using intense infrared lasers. (a) Multiphoton. (b) Single photon. The black arrows represent the absorption of a photon.
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from article Laser photochemistry
Schematic representation of a photodissociation experiment where 210-nm light is used to excite bromoiodomethane, causing rupture of the strong C-Br bond in preference to the weaker C-I bond.
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from article Laser photochemistry
Schematic drawing of the reaction barrier for breaking either the O-H or the O-D bond in the reaction of H + HOD or Cl + HOD. The thick arrows represent vibrational overtone excitation of either the 4νOH or the 5νOD bonds of HOD. The thin arrows…
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from article Laser photochemistry
Mask repair by laser deposition using a low-power laser at 1-μm resolution. (After K. G. Ibbs and R. M. Osgood, eds., Laser Chemical Processing for Microelectronics, Cambridge University Press, 1989)
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from article Laser photochemistry
Diagram of the expansion of a gas in a supersonic jet. The gas cools as it expands into the low-pressure regions.
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from article Laser photochemistry
Potential energy diagram for the dissociation of ICN. (After A. H. Zewail, Chem. Eng. News, 66(42):24–42, 1988)
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from article Immunological deficiency
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from article Immunological deficiency
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from article Immunological deficiency
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from article Aircraft design
Visualization of a simulated pressure field on the exterior of a conceptual "double bubble" aircraft, a modified "tube-and-wing" structure that places the engine on the top rear of the fuselage. Slower air flow along the fuselage and into the engine…
