ANALOG SIGNAL PROCESSING FOR OPTICAL COHERENCE
... personally and professionally. I am grateful for the trust, encouragement and support that she has given me in the past 3.5 years. I would also like to thank her for providing me with the opportunities, which were necessary in order for me to grow as an analog IC designer. I would like to express my ...
... personally and professionally. I am grateful for the trust, encouragement and support that she has given me in the past 3.5 years. I would also like to thank her for providing me with the opportunities, which were necessary in order for me to grow as an analog IC designer. I would like to express my ...
Picosecond Flash Photolysis of Carbonyl Complexes ... Ruthenium(II} Porphyrin Cation Radicals
... 1r cation radicals Ru(OEP+·)CO(L): L = EtOH (4a). py (4b). 1m (4c). Br- (4d). Excitation with 35-ps flashes at 532 nm results in the formation and decay of transient states having lifetimes less than the flash duration. The transient lifetimes for 2A!u ground-state 1r cation radicals are shorter tha ...
... 1r cation radicals Ru(OEP+·)CO(L): L = EtOH (4a). py (4b). 1m (4c). Br- (4d). Excitation with 35-ps flashes at 532 nm results in the formation and decay of transient states having lifetimes less than the flash duration. The transient lifetimes for 2A!u ground-state 1r cation radicals are shorter tha ...
Ultrashort free-carrier lifetime in low-loss silicon
... and lasers,” Appl. Phys. Lett. 87(26), 261108 (2005). ...
... and lasers,” Appl. Phys. Lett. 87(26), 261108 (2005). ...
UNIT-4 OCN
... fiber drawing stage) that the fiber outer diameter (cladding diameter) is maintained constant to within 1%. • Any diameter variations may cause excessive radiation losses and make accurate fiber–fiber connection difficult. • Hence on-line diameter measurement systems are required which provide accur ...
... fiber drawing stage) that the fiber outer diameter (cladding diameter) is maintained constant to within 1%. • Any diameter variations may cause excessive radiation losses and make accurate fiber–fiber connection difficult. • Hence on-line diameter measurement systems are required which provide accur ...
High-Resolution Transmission Electron Microscopy
... The exit‐plane wave ep is the OBJECT that needs to be imaged. For this, the phase modulation needs to be translated into an amplitude modulation. This is the task of Step 2. In general: the EPW is still the result of a complex dynamic diffraction process in the sample. It contains specimen infor ...
... The exit‐plane wave ep is the OBJECT that needs to be imaged. For this, the phase modulation needs to be translated into an amplitude modulation. This is the task of Step 2. In general: the EPW is still the result of a complex dynamic diffraction process in the sample. It contains specimen infor ...
Multiply scattered waves through a spatially random medium
... propagating through random multiple scattering medium. propagating in such A a wave waves rapidly depolarized the characteristic medium but knows little about spatial becomes one a proceeds. This question is important as regards the validation of the scale on which this process theory [2] to describ ...
... propagating through random multiple scattering medium. propagating in such A a wave waves rapidly depolarized the characteristic medium but knows little about spatial becomes one a proceeds. This question is important as regards the validation of the scale on which this process theory [2] to describ ...
An introduction to medical imaging with coherent terahertz
... 1024. It is important to emphasise that TPI offers an advantage over many existing imaging techniques because it offers spatial localization, combined with spectroscopic capabilities, in the unprecedentedly wide band of frequencies, from DC up to several THz. Combining the spatial and temporal dimen ...
... 1024. It is important to emphasise that TPI offers an advantage over many existing imaging techniques because it offers spatial localization, combined with spectroscopic capabilities, in the unprecedentedly wide band of frequencies, from DC up to several THz. Combining the spatial and temporal dimen ...
Wavelength Conversion Technologies for Photonic Network
... Despite such expectations and some promising experimental reports, the wavelength conversion technologies are as yet immature. The technologies that have been reported so far are the OE-EO transponder type, the gating type using semiconductor devices and optical fiber,5)-9) and the coherent type, wh ...
... Despite such expectations and some promising experimental reports, the wavelength conversion technologies are as yet immature. The technologies that have been reported so far are the OE-EO transponder type, the gating type using semiconductor devices and optical fiber,5)-9) and the coherent type, wh ...
LEP 2.6.07 Helium Neon Laser
... levels will therefore be generated. The 2p level is emptied due to spontaneous emission into the 1s level. After this the Neon atoms reach their ground state again, primarily through collisions with the tube wall (capillary), since an optical transition is not allowed. This calming down process is t ...
... levels will therefore be generated. The 2p level is emptied due to spontaneous emission into the 1s level. After this the Neon atoms reach their ground state again, primarily through collisions with the tube wall (capillary), since an optical transition is not allowed. This calming down process is t ...
An Optical Fiber Lateral Displacement Measurement Method and
... tool for topographical measurement with nano- and sub-nanometer resolution [5], but usually the single scanning distance is of the order of 150 ˆ 150 µm, and the scanning speed is also a limitation. Eddy current sensors have a large range with linearity error of less than ˘3% [6,7], but they are not ...
... tool for topographical measurement with nano- and sub-nanometer resolution [5], but usually the single scanning distance is of the order of 150 ˆ 150 µm, and the scanning speed is also a limitation. Eddy current sensors have a large range with linearity error of less than ˘3% [6,7], but they are not ...
IMPORTANT FEATURES FOR A RIGHT - pi
... book2, here we mention some basic features that will be important for further considerations. The Huygens-Fresnel Principle is the corner stone of the diffraction theory. According to that principle each point of a wave front can be considered as a center of a secondary spherical wavelet and by the ...
... book2, here we mention some basic features that will be important for further considerations. The Huygens-Fresnel Principle is the corner stone of the diffraction theory. According to that principle each point of a wave front can be considered as a center of a secondary spherical wavelet and by the ...
Experimental demonstration of near-infrared
... permittivity of Ag is described by the Drude model ε1 = ε ∞ − ω p2 (ω 2 − iωγ p ) , where the background dielectric constant is ε∞ = 5.0, the plasma frequency is ωp = 1.38 × 1016 rad/s, and the collision frequency γp is equal to γ0 = 5.07 × 1013 rad/s for bulk Ag [33]. For Ag thin films, γp increase ...
... permittivity of Ag is described by the Drude model ε1 = ε ∞ − ω p2 (ω 2 − iωγ p ) , where the background dielectric constant is ε∞ = 5.0, the plasma frequency is ωp = 1.38 × 1016 rad/s, and the collision frequency γp is equal to γ0 = 5.07 × 1013 rad/s for bulk Ag [33]. For Ag thin films, γp increase ...
OM1 - Faculty of Engineering
... understand the meanings of the simple forms. With BST at A2, trace the beam until M2. Make sure M2 can capture the beam. Adjust M1 mounting post if necessary (do not accidentally knock down BST). Move BST to A5 (block the beam first). Using a plastic ruler, record the center-height h of the beam jus ...
... understand the meanings of the simple forms. With BST at A2, trace the beam until M2. Make sure M2 can capture the beam. Adjust M1 mounting post if necessary (do not accidentally knock down BST). Move BST to A5 (block the beam first). Using a plastic ruler, record the center-height h of the beam jus ...
pdf file
... technique based on THz time-domain spectroscopy has the potential to be used as a portable low-frequency spectrometer. Both amplitude and phase information at any point on the sample can be extracted using THz imaging [1]. Optical rectification in a nonlinear medium [2,3], and photoconductive switch ...
... technique based on THz time-domain spectroscopy has the potential to be used as a portable low-frequency spectrometer. Both amplitude and phase information at any point on the sample can be extracted using THz imaging [1]. Optical rectification in a nonlinear medium [2,3], and photoconductive switch ...
Detennining the Phase Diagra1n and Aggregate Size of a Chro1nonic Liquid Crystal J
... rod-shaped aggregates with a distribution of sizes that shifts towards larger aggregates as the concentration increases, limited studies of another chromonic liquid crystal, Benzopurpurin 4B (BPP 4B), suggest that the aggregation process is very different for BPP 4B. These studies found that unlike ...
... rod-shaped aggregates with a distribution of sizes that shifts towards larger aggregates as the concentration increases, limited studies of another chromonic liquid crystal, Benzopurpurin 4B (BPP 4B), suggest that the aggregation process is very different for BPP 4B. These studies found that unlike ...
Laser Hazard Identification Checklist
... Scanning systems: If laser scanning mechanisms are present, they shall not allow operator exposure even in the case of failure or abnormal operations. Are beam scanning systems present? Warning signs and indicators: The entrances to areas or protective enclosures containing Class 3B or 4 lasers shou ...
... Scanning systems: If laser scanning mechanisms are present, they shall not allow operator exposure even in the case of failure or abnormal operations. Are beam scanning systems present? Warning signs and indicators: The entrances to areas or protective enclosures containing Class 3B or 4 lasers shou ...
Radiative Transfer Theory - UCL Department of Geography
... Figure 3.5 Normalised optical depth for 70% leaf GMC as a function of leaf radius Figure 3.5 shows the dependence of normalised optical depth ( /(fH)) on leaf radius. The general trend is an increase in optical depth with increasing leaf radius. Figure 3.6 shows the same information, on a linear s ...
... Figure 3.5 Normalised optical depth for 70% leaf GMC as a function of leaf radius Figure 3.5 shows the dependence of normalised optical depth ( /(fH)) on leaf radius. The general trend is an increase in optical depth with increasing leaf radius. Figure 3.6 shows the same information, on a linear s ...
Silicon-on-Insulator Grating Duplexer for Fiber-to-the
... duplexing operation and fiber-to-chip interfacing is presented in figure 1. It consists of a one-dimensional grating structure defined on an SOI waveguide platform. The single mode optical fiber is tilted by an angle θ with respect to the vertical axis. While in standard fiber-to-waveguide grating c ...
... duplexing operation and fiber-to-chip interfacing is presented in figure 1. It consists of a one-dimensional grating structure defined on an SOI waveguide platform. The single mode optical fiber is tilted by an angle θ with respect to the vertical axis. While in standard fiber-to-waveguide grating c ...
all-optical wavelength conversion based on four-wave
... 2.5 ns. Here the waveguide length is assumed to be L = 0.8 cm. The required pump angle is related to the losses and the phase mismatches of the TE and TM modes. Since the phase mismatch varies with the signal wavelength, the required pump polarization angle also changes for different signal waves. F ...
... 2.5 ns. Here the waveguide length is assumed to be L = 0.8 cm. The required pump angle is related to the losses and the phase mismatches of the TE and TM modes. Since the phase mismatch varies with the signal wavelength, the required pump polarization angle also changes for different signal waves. F ...
Dissociation of H in the energy region at the n state
... al. w19x and Terazawa et al. w20x by analysis of the observed time-dependent Balmer-a intensity. In these experiments, states of ungerade symmetry are excited, while in the present experiments gerade states are accessed. These experimental results are therefore not directly applicable, but we can co ...
... al. w19x and Terazawa et al. w20x by analysis of the observed time-dependent Balmer-a intensity. In these experiments, states of ungerade symmetry are excited, while in the present experiments gerade states are accessed. These experimental results are therefore not directly applicable, but we can co ...
Experimental Realization of Two Decoupled Directional Couplers in a
... The silicon waveguides were fabricated using a silicon-oninsulator (SOI) substrate. The thicknesses of silicon and buried oxide were 340 nm and 1 μm, respectively. A 160 nm-thick hydrogen silsesquioxane (HSQ) resist (Dow Corning XR-1541) was spun on the SOI substrate. The HSQ layer was patterned by ...
... The silicon waveguides were fabricated using a silicon-oninsulator (SOI) substrate. The thicknesses of silicon and buried oxide were 340 nm and 1 μm, respectively. A 160 nm-thick hydrogen silsesquioxane (HSQ) resist (Dow Corning XR-1541) was spun on the SOI substrate. The HSQ layer was patterned by ...
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... experimental methodologies proved that techniques based on multiple light scattering offer unprecedented capabilities in different areas of material sciences. Due to characteristics such as beam directionality and intensity, the use of highly coherent radiation produced by lasers has been the undisput ...
... experimental methodologies proved that techniques based on multiple light scattering offer unprecedented capabilities in different areas of material sciences. Due to characteristics such as beam directionality and intensity, the use of highly coherent radiation produced by lasers has been the undisput ...
Simultaneous spatial and temporal focusing: A route towards
... *[email protected]; phone +49 3641 – 9 47 821; fax +49 3641 – 9 47 802; www.iap.uni-jena.de ...
... *[email protected]; phone +49 3641 – 9 47 821; fax +49 3641 – 9 47 802; www.iap.uni-jena.de ...
Introduction to X-ray Absorption Spectroscopy, Extended X
... The (bio)chemist is interested in the type of atom (choose Fj) and its number Nj and distance rj (refine in simulation). Unfortunately, refinement of (and correlation with !) the DebyeInstitute for Molecules and Materials Waller-type factor and DE0 cannot be avoided. ...
... The (bio)chemist is interested in the type of atom (choose Fj) and its number Nj and distance rj (refine in simulation). Unfortunately, refinement of (and correlation with !) the DebyeInstitute for Molecules and Materials Waller-type factor and DE0 cannot be avoided. ...