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... set of data obtained at a slightly different spatial coherence (l c ⫽18 m), where the same sequence of pattern formation is observed. It can be seen that, under these experimental conditions, the incoherent MI has a maximum gain around a perturbation period of 110 m, which corresponds to a spatia ...
... set of data obtained at a slightly different spatial coherence (l c ⫽18 m), where the same sequence of pattern formation is observed. It can be seen that, under these experimental conditions, the incoherent MI has a maximum gain around a perturbation period of 110 m, which corresponds to a spatia ...
Fast-Response Liquid Crystal Microlens
... Δn = 0.23). The ordinary refractive index of the LC material matches well with that of the polymer matrix. After UV curing at 15 mW·cm−2 and 50 °C for 30 min, a saturated phase separation between NOA65 and E48 is obtained, and LC droplets are uniformly dispersed in polymer matrix. In the voltage-off ...
... Δn = 0.23). The ordinary refractive index of the LC material matches well with that of the polymer matrix. After UV curing at 15 mW·cm−2 and 50 °C for 30 min, a saturated phase separation between NOA65 and E48 is obtained, and LC droplets are uniformly dispersed in polymer matrix. In the voltage-off ...
Tuning of resonance-spacing in a traveling-wave
... this field [2–4]. Moreover, the possibility of low-power and low-loss tuning of resonance properties of such resonators has significantly enhanced device functionalities for applications where reconfiguration is required [5–7]. So far, most reconfigurable devices are envisioned for linear applicatio ...
... this field [2–4]. Moreover, the possibility of low-power and low-loss tuning of resonance properties of such resonators has significantly enhanced device functionalities for applications where reconfiguration is required [5–7]. So far, most reconfigurable devices are envisioned for linear applicatio ...
SIMES Field Budget Reports-June 2015
... low temperatures. Data analysis is still in process. During this beamtime, we also characterized the ultrafast coherent lattice response in a related compound FeSe film ( of thickness of 60 u.c.), grown by Dr. Moore/ Z. X. Shen group in another FWP. A complementary time-resolved ARPES measurement to ...
... low temperatures. Data analysis is still in process. During this beamtime, we also characterized the ultrafast coherent lattice response in a related compound FeSe film ( of thickness of 60 u.c.), grown by Dr. Moore/ Z. X. Shen group in another FWP. A complementary time-resolved ARPES measurement to ...
Chapter 2 Femtosecond Laser Pulses - diss.fu
... and K is a number which depends only on the pulse shape (see Table 2.1). Thus in order to generate a laser pulse within femtosecond time domain one needs to use a broad spectral bandwidth. If the equality is reached in (2.3) one speaks about a Fourier-transform-limited pulse or simply a transformlim ...
... and K is a number which depends only on the pulse shape (see Table 2.1). Thus in order to generate a laser pulse within femtosecond time domain one needs to use a broad spectral bandwidth. If the equality is reached in (2.3) one speaks about a Fourier-transform-limited pulse or simply a transformlim ...
Lecture 11: Semiconductor lasers and light
... semiconductor in quasi-equilibrium (upon injection) can be determined as a function of the concentration of injected carriers n. • The spectral intensity of the direct band-to-band injectionelectroluminescence has precisely the same shape as the thermalequilibrium spectral intensity, but its magnit ...
... semiconductor in quasi-equilibrium (upon injection) can be determined as a function of the concentration of injected carriers n. • The spectral intensity of the direct band-to-band injectionelectroluminescence has precisely the same shape as the thermalequilibrium spectral intensity, but its magnit ...
Quadriwave lateral shearing interferometry
... this principle to more than one gradient direction. In the case of QWLSI, four replicas are created by a specific 2D diffraction grating. In this case, two gradients along two perpendicular directions are measured and then integrated to determine the field intensity and phase [20]. The interferogram ...
... this principle to more than one gradient direction. In the case of QWLSI, four replicas are created by a specific 2D diffraction grating. In this case, two gradients along two perpendicular directions are measured and then integrated to determine the field intensity and phase [20]. The interferogram ...
New interpretations of XPS spectra of nickel metal and oxides
... Beginning with nickel metal ELS, they suggest that more intense features at 6.0 and 9.5 eV are due to surface and bulk plasmon losses respectively with weaker intra- and inter-band transitions at 3.7 and 7.1 eV. In XPS spectra, the well-known satellite 6 eV above the main emission line for Ni 2p3/2 ...
... Beginning with nickel metal ELS, they suggest that more intense features at 6.0 and 9.5 eV are due to surface and bulk plasmon losses respectively with weaker intra- and inter-band transitions at 3.7 and 7.1 eV. In XPS spectra, the well-known satellite 6 eV above the main emission line for Ni 2p3/2 ...
Volatile Organic Compound Optical Fiber Sensors: A Review
... Finally, there are other different practical implementations of evanescent wave sensors using standard optical fibers. These have a cladding made of silica, which is difficult to remove or modify. A possible solution is to polish the fiber, eliminating the cladding or at least a part of it [36-38], ...
... Finally, there are other different practical implementations of evanescent wave sensors using standard optical fibers. These have a cladding made of silica, which is difficult to remove or modify. A possible solution is to polish the fiber, eliminating the cladding or at least a part of it [36-38], ...
Modes Effective Refractive Index Difference Measurement
... The effective refractive indices of the modes, and effective refractive index differences between the modes are important characteristics for few-mode optical fibers. By measuring the reflection spectrum of the fiber Bragg grating (FBG) fabricated in the few-mode fiber, some discrete information of ...
... The effective refractive indices of the modes, and effective refractive index differences between the modes are important characteristics for few-mode optical fibers. By measuring the reflection spectrum of the fiber Bragg grating (FBG) fabricated in the few-mode fiber, some discrete information of ...
Quantum non-demolition - Quantum Optics and Spectroscopy
... solved analytically. In the following decades physicists realized that this approach has its limits as quantum systems consisting of only a few quantum bits (qubits) are already impossible to simulate with current computer technology. In the early 1980’s Paul Benioff [1] and Richard Feynman [2] came ...
... solved analytically. In the following decades physicists realized that this approach has its limits as quantum systems consisting of only a few quantum bits (qubits) are already impossible to simulate with current computer technology. In the early 1980’s Paul Benioff [1] and Richard Feynman [2] came ...
Get PDF - OSA Publishing
... of the WGMR, thereby creating the so-called Kerr optical frequency comb. Pioneering works on this type of hyper-parametric interaction were reported in refs. [9–11]. The theoretical understanding of this phenomenon can be achieved either using a modal expansion model [12,13] or a spatiotemporal mode ...
... of the WGMR, thereby creating the so-called Kerr optical frequency comb. Pioneering works on this type of hyper-parametric interaction were reported in refs. [9–11]. The theoretical understanding of this phenomenon can be achieved either using a modal expansion model [12,13] or a spatiotemporal mode ...