letters - 5. Physikalisches Institut
... to define the “arrival time” of the signal [6]. In practice, one cannot extend the “arrival time” to any time before the detection of the first photon. Furthermore, if the tiniest leading edge of a smooth “superluminal” pulse determines the entire pulse, we must account for the effect that quantum f ...
... to define the “arrival time” of the signal [6]. In practice, one cannot extend the “arrival time” to any time before the detection of the first photon. Furthermore, if the tiniest leading edge of a smooth “superluminal” pulse determines the entire pulse, we must account for the effect that quantum f ...
Minimally disruptive laser-induced breakdown in water
... pulses (filled circles) and 200-ps pulses (squares) in water. Each point is averaged over 100 pulses. In the 200-ps data, the open squares represent a range in pulse energy where some pulses produce no signal, while others significantly exceed the average. tently from shot-to-shot. This difference i ...
... pulses (filled circles) and 200-ps pulses (squares) in water. Each point is averaged over 100 pulses. In the 200-ps data, the open squares represent a range in pulse energy where some pulses produce no signal, while others significantly exceed the average. tently from shot-to-shot. This difference i ...
Optical solitons and its applications Final report Physics 568 (Nonlinear optics)
... independently and the wavelength tunable two-colored soliton pulses are generated due to their different Raman scattering effect.16 The center wavelengths of the control and signal pulses are set respectively as 1600 and 1734 nm. The temporal widths of the generated pulses are 150 fs. The control a ...
... independently and the wavelength tunable two-colored soliton pulses are generated due to their different Raman scattering effect.16 The center wavelengths of the control and signal pulses are set respectively as 1600 and 1734 nm. The temporal widths of the generated pulses are 150 fs. The control a ...
Nanometer optical coherence tomography using
... improving the photon flux by using lasers with higher pulse energy using longer wavelengths (>1000 nm) to increase the Cut-Off (~Iλ²) of the harmonic radiation and therefore the effective bandwidth for XCT References: [1] Huang et al.: Optical coherence tomography, Science, 1991 [2] Leitgeb et al.: Ult ...
... improving the photon flux by using lasers with higher pulse energy using longer wavelengths (>1000 nm) to increase the Cut-Off (~Iλ²) of the harmonic radiation and therefore the effective bandwidth for XCT References: [1] Huang et al.: Optical coherence tomography, Science, 1991 [2] Leitgeb et al.: Ult ...
Wavelength
... B. As electrons drop to lower levels, they give off photons C. A photon is a particle of electromagnetic radiation with no mass that carries a quantum of energy D. If the photon’s frequency corresponds the visible light range we can see different colors in the flame E. If it is not in the visible li ...
... B. As electrons drop to lower levels, they give off photons C. A photon is a particle of electromagnetic radiation with no mass that carries a quantum of energy D. If the photon’s frequency corresponds the visible light range we can see different colors in the flame E. If it is not in the visible li ...
Atomic Structure Review Part 1
... 2. Compare and contrast Thomson’s plum pudding atomic model with Rutherford’s nuclear atomic model. ...
... 2. Compare and contrast Thomson’s plum pudding atomic model with Rutherford’s nuclear atomic model. ...
Strong field quantum control by selective population
... multi-photon quantum control scenario based on selective population of dressed states (SPODS). We use intense phaselocked pulse pairs to coherently excite the K 4p ← 4s transition. The dynamics is probed via simultaneous twophoton ionization from the 4p state. This technique allows us to exert phase ...
... multi-photon quantum control scenario based on selective population of dressed states (SPODS). We use intense phaselocked pulse pairs to coherently excite the K 4p ← 4s transition. The dynamics is probed via simultaneous twophoton ionization from the 4p state. This technique allows us to exert phase ...
Photons and Matter Waves
... a metal surface, a stream of electrons emerges from the metal. The interference filter is then replaced with one transmitting at 300 nm and the lamp adjusted so that the intensity of the light striking the surface is the same as it was for the 400-nm light. With the 300-nm light, 1) more electrons a ...
... a metal surface, a stream of electrons emerges from the metal. The interference filter is then replaced with one transmitting at 300 nm and the lamp adjusted so that the intensity of the light striking the surface is the same as it was for the 400-nm light. With the 300-nm light, 1) more electrons a ...
The Photoelectric Effect, work function
... equation of line: y = mx + b :: Ek = hf – W (we want W to be a positive number, so we must use a – sign) W is called the Work Function. It is the amount of energy needed to blast the electrons out of the metal (break the attraction between the electrons and the rest of the atom). This energy comes f ...
... equation of line: y = mx + b :: Ek = hf – W (we want W to be a positive number, so we must use a – sign) W is called the Work Function. It is the amount of energy needed to blast the electrons out of the metal (break the attraction between the electrons and the rest of the atom). This energy comes f ...
Presentation
... The particular regime of melting is defined by the rate of heating ( Ti ) and the degree of overheating of lattice [T - Tm(p) ] / Tm(p) The peculiarity of melting after action of ultrashort laser pulse: this is a melting in the 2T state. Shift of conduction electrons up at the energy axis influences ...
... The particular regime of melting is defined by the rate of heating ( Ti ) and the degree of overheating of lattice [T - Tm(p) ] / Tm(p) The peculiarity of melting after action of ultrashort laser pulse: this is a melting in the 2T state. Shift of conduction electrons up at the energy axis influences ...
Large Dispersive Effects near the Band Edges of Photonic Crystals
... with the band edges, measurements such as these will become an important tool in accurately characterizing the band gaps. This is critical for determining whether or not a candidate crystal possesses a photonic band gap. The photonic crystals consisted of deionized suspensions of polystyrene spheres ...
... with the band edges, measurements such as these will become an important tool in accurately characterizing the band gaps. This is critical for determining whether or not a candidate crystal possesses a photonic band gap. The photonic crystals consisted of deionized suspensions of polystyrene spheres ...
Ultrafast electronic dynamics in polyatomic molecules studied using
... electrons usually play only minor roles; however, they exhibit characteristic chemical shifts of the electron binding energies, depending on oxidation states and chemical bonding of individual atoms. X-ray radiation is indispensable for observing these inner-shell electrons. Thus, ultrashort pulses ...
... electrons usually play only minor roles; however, they exhibit characteristic chemical shifts of the electron binding energies, depending on oxidation states and chemical bonding of individual atoms. X-ray radiation is indispensable for observing these inner-shell electrons. Thus, ultrashort pulses ...
