Picosecond laser ablation system with process control
... zone (HAZ) is minimal. Therefore high ablation efficiencies and acceptable processing precisions can be achieved without any thermal deterioration of surrounding material like melting, exfoliation, spallation or re-crystallization. Since laser systems with pulse duration from femtosecond range are a ...
... zone (HAZ) is minimal. Therefore high ablation efficiencies and acceptable processing precisions can be achieved without any thermal deterioration of surrounding material like melting, exfoliation, spallation or re-crystallization. Since laser systems with pulse duration from femtosecond range are a ...
Light-absorption effect on Bragg interference in multilayer semiconductor heterostructures
... of k A . One can see that this dependence always has a saturating character while the saturation value of the reflection coefficient R ` drastically depends on absorption. It is worth noting from Fig. 4 that the Bragg mirror containing 10 periods of a superlattice has roughly the same peak value of ...
... of k A . One can see that this dependence always has a saturating character while the saturation value of the reflection coefficient R ` drastically depends on absorption. It is worth noting from Fig. 4 that the Bragg mirror containing 10 periods of a superlattice has roughly the same peak value of ...
Displays - La Salle University
... • Color depth is the number of bits used to specify the color for each pixel. • The number of possible colors will be 2 raised to the color depth. This will be related to the number of intensity level of the electron guns. • For example “true color” uses 32 bits and thus has ...
... • Color depth is the number of bits used to specify the color for each pixel. • The number of possible colors will be 2 raised to the color depth. This will be related to the number of intensity level of the electron guns. • For example “true color” uses 32 bits and thus has ...
Growth and Characterization of Pure and Ammonium nickel (II
... harmonic wavelengths and must have a laser induced damage threshold high enough to allow optical intensities that will provide adequate conversion efficiency. Phase matching must also be possible in the material. The material also needs to be of good optical quality to provide optical transmission w ...
... harmonic wavelengths and must have a laser induced damage threshold high enough to allow optical intensities that will provide adequate conversion efficiency. Phase matching must also be possible in the material. The material also needs to be of good optical quality to provide optical transmission w ...
SFX as a low-cost `Spiro` hole-transport material
... Lead halide perovskite was rst introduced to photovoltaics as a sensitizer in dye-sensitized solar cells by Miyasaka.1 This material type has since attracted huge attention due to outstanding properties including high extinction coefficient, small exciton binding energy, long charge carrier diffusion ...
... Lead halide perovskite was rst introduced to photovoltaics as a sensitizer in dye-sensitized solar cells by Miyasaka.1 This material type has since attracted huge attention due to outstanding properties including high extinction coefficient, small exciton binding energy, long charge carrier diffusion ...
Design of an integrated optical source of twin photons Ivan Avrutsky
... subject of intensive experimental research 关1,2兴. Sources of entangled photons based on bulk nonlinear crystals such as beta-barium borate 共-BBO兲 关3兴 have been widely used in early experiments. The development of robust, efficient, and compact sources of entangled photons has become a necessity for ...
... subject of intensive experimental research 关1,2兴. Sources of entangled photons based on bulk nonlinear crystals such as beta-barium borate 共-BBO兲 关3兴 have been widely used in early experiments. The development of robust, efficient, and compact sources of entangled photons has become a necessity for ...
Applications of scanning optical microscopy in materials science to
... known from the theory of electronic circuits that Fourier analysis of an electronic system shows how accurately it responds to, for example, a unit step function. If the system is capable of transmitting high spatial frequencies then the reproduction of the unit step function will be more accurate c ...
... known from the theory of electronic circuits that Fourier analysis of an electronic system shows how accurately it responds to, for example, a unit step function. If the system is capable of transmitting high spatial frequencies then the reproduction of the unit step function will be more accurate c ...
Post-print of: J. Mater. Chem. , 2012, 22, 1751
... properties have boosted the exploration of applications in fields such as optical sensing20–22 or photovoltaic devices.23 The first of these is based on the fact that these films show a ...
... properties have boosted the exploration of applications in fields such as optical sensing20–22 or photovoltaic devices.23 The first of these is based on the fact that these films show a ...
MAXENT distribution of grain sizes
... 1. Microstructures are realizations of a random field. Is there a principle by which the underlying pdf itself can be obtained. 2. If so, how can the known information about microstructure be incorporated in the solution. 3. How do we obtain actual statistics of properties of the microstructure char ...
... 1. Microstructures are realizations of a random field. Is there a principle by which the underlying pdf itself can be obtained. 2. If so, how can the known information about microstructure be incorporated in the solution. 3. How do we obtain actual statistics of properties of the microstructure char ...
464_lec.pdf
... The inverse problem is a problem where certain input data of the direct problem is deduced from the comparison between the experimental results and the numerical FE-simulation of that same problem. Not only the boundary information is used, but ...
... The inverse problem is a problem where certain input data of the direct problem is deduced from the comparison between the experimental results and the numerical FE-simulation of that same problem. Not only the boundary information is used, but ...
Optical Properties
... You will find that the answer is not as commonplace as the material itself! The answer is “Metals are materials with a positive thermal coefficient of resistivity”. What this means is that when the temperature of the metal is raised, its resistance increases. Other materials which can also conduct c ...
... You will find that the answer is not as commonplace as the material itself! The answer is “Metals are materials with a positive thermal coefficient of resistivity”. What this means is that when the temperature of the metal is raised, its resistance increases. Other materials which can also conduct c ...
Calculation of surface optical properties: from qualitative
... bulk wavefunctions as well as the surface LF effects, i.e. the influence of the surface-modified microscopic fluctuations of the electric field on the macroscopic dielectric response, and many-particle effects such as the electronic self-energy and the electron–hole attraction. Of course, it is not ...
... bulk wavefunctions as well as the surface LF effects, i.e. the influence of the surface-modified microscopic fluctuations of the electric field on the macroscopic dielectric response, and many-particle effects such as the electronic self-energy and the electron–hole attraction. Of course, it is not ...
From cathode rays to digital micromirrors: A
... second-generation light valves in high-brightness display venues. And because these new light-valve technologies can be designed into more compact products, their availability has opened up new market opportunities where low weight and portability are required. Perhaps soon, the CRT will be replaced ...
... second-generation light valves in high-brightness display venues. And because these new light-valve technologies can be designed into more compact products, their availability has opened up new market opportunities where low weight and portability are required. Perhaps soon, the CRT will be replaced ...
Chapter-07
... The pyroelectric detector. Radiation is absorbed in the detecting element, A, which generates a pyroelectric voltage that is measured by the amplifier. The second element, B, has a reflecting electrode and does not absorb the radiation. It is a dummy element that compensates for the piezoelectric e ...
... The pyroelectric detector. Radiation is absorbed in the detecting element, A, which generates a pyroelectric voltage that is measured by the amplifier. The second element, B, has a reflecting electrode and does not absorb the radiation. It is a dummy element that compensates for the piezoelectric e ...
(LHS), A Novel Organic NLO Material
... and lattice parameters of LHS were calculated by least square refinement of 25 reflections in the range 20-30°. The X-ray crystallography data shows that the crystal belongs to orthorhombic system with the space group P212121. It is well known that P212121 is a noncentrosymmetric space group and hen ...
... and lattice parameters of LHS were calculated by least square refinement of 25 reflections in the range 20-30°. The X-ray crystallography data shows that the crystal belongs to orthorhombic system with the space group P212121. It is well known that P212121 is a noncentrosymmetric space group and hen ...
- SelectedWorks
... We developed Opto-Electonic Holography systems for investigations of the function of the eardrums and humans and other animals. These techniques measure the 3D shape (with m resolution) and 3D sound-induced motion (with nm resolution) of cadaveric mammalian eardrums at spatial densities of near 200 ...
... We developed Opto-Electonic Holography systems for investigations of the function of the eardrums and humans and other animals. These techniques measure the 3D shape (with m resolution) and 3D sound-induced motion (with nm resolution) of cadaveric mammalian eardrums at spatial densities of near 200 ...
Zoom Draft Proposal
... conjunction with smaller micelles or polymers. In this area the larger samples required for use with lenses should not be an issue. Mechanisms of polymer reorganisation and crystallisation may be studied in detail in conjunction with SAXS by using contrast variation. “Pre-order phases” in crystallis ...
... conjunction with smaller micelles or polymers. In this area the larger samples required for use with lenses should not be an issue. Mechanisms of polymer reorganisation and crystallisation may be studied in detail in conjunction with SAXS by using contrast variation. “Pre-order phases” in crystallis ...
this PDF file - Canadian Center of Science and Education
... if layers 1 and 3 are transparent whether layer 2 is absorbing or not. If light waves travelling in layer 1 hit its interface to coherent thin layer 2, multiple internal reflections inside it and their interference are significant. Part of waves will be reflected back into layer 1 and the other wil ...
... if layers 1 and 3 are transparent whether layer 2 is absorbing or not. If light waves travelling in layer 1 hit its interface to coherent thin layer 2, multiple internal reflections inside it and their interference are significant. Part of waves will be reflected back into layer 1 and the other wil ...
Few-layer MoS2 saturable absorbers for short
... pulse sources. A SA acts as a passive optical switch in a laser cavity to enable short-pulse generation by passive modelocking or Q switching [1]. The currently dominant SA technologies, such as semiconductor SA mirrors (SESAMs) and nonlinear polarization evolution (NPE) possess limitations— for exa ...
... pulse sources. A SA acts as a passive optical switch in a laser cavity to enable short-pulse generation by passive modelocking or Q switching [1]. The currently dominant SA technologies, such as semiconductor SA mirrors (SESAMs) and nonlinear polarization evolution (NPE) possess limitations— for exa ...