Femtosecond powder diffraction with a laser-driven hard X
... A multilayer X-ray optic focuses the X-rays emitted in forward direction onto the powder sample. The optic collects X-rays in a solid angle of approximately 10−4 , resulting in a X-ray flux of 106 photons per seconds on the sample. The X-ray spot size on the sample is between 30 to 200 μ m (FWHM), d ...
... A multilayer X-ray optic focuses the X-rays emitted in forward direction onto the powder sample. The optic collects X-rays in a solid angle of approximately 10−4 , resulting in a X-ray flux of 106 photons per seconds on the sample. The X-ray spot size on the sample is between 30 to 200 μ m (FWHM), d ...
Optical Filters for Laser-based Fluorescence Microscopes
... Dichroic beamsplitters: Dichroics for laser applications should not only be made such that their reflection and transmission bands are compatible with the excitation and emission filters, but they also need to be coated with antireflection coatings in order to maximize transmission of the emission s ...
... Dichroic beamsplitters: Dichroics for laser applications should not only be made such that their reflection and transmission bands are compatible with the excitation and emission filters, but they also need to be coated with antireflection coatings in order to maximize transmission of the emission s ...
The HeNe Laser
... beam should not be overly tedious. The most important element is to remember not to adjust the height of the mirror or remove the mirror post from the post holder for any reason. Any changing of the mirrors should be done with the mirror mount left in place, this makes changing the mirrors a more de ...
... beam should not be overly tedious. The most important element is to remember not to adjust the height of the mirror or remove the mirror post from the post holder for any reason. Any changing of the mirrors should be done with the mirror mount left in place, this makes changing the mirrors a more de ...
SO2 DETECTION USING PLASMON DAMPING By ELI KASA
... When visible light is incident on a silver nanoparticle, collective oscillation of free electrons will set up. These collective oscillations account for a phenomenon called localized surface plasmon resonance (LSPR), which is described in Section 2.2. LSPR manifests itself as a broad and strong UV-v ...
... When visible light is incident on a silver nanoparticle, collective oscillation of free electrons will set up. These collective oscillations account for a phenomenon called localized surface plasmon resonance (LSPR), which is described in Section 2.2. LSPR manifests itself as a broad and strong UV-v ...
Fluorescence Microscopy
... two absorbed photons is less than energy of the emitted photon. Thus, red light can be used to generate green light. This principle underlies “two-photon” or “multiphoton” microscopy (Zinselmeyer et al. 2009). This process can only be achieved by having a very high spatial and temporal density of ph ...
... two absorbed photons is less than energy of the emitted photon. Thus, red light can be used to generate green light. This principle underlies “two-photon” or “multiphoton” microscopy (Zinselmeyer et al. 2009). This process can only be achieved by having a very high spatial and temporal density of ph ...
High refractive index Fresnel lens on a fiber fabricated by
... The lens master mold was fabricated using a gallium FIB integrated into a Zeiss Orion NanoFab microscope. First and a second generation replicas of the master mold were created with a commercial UV-curable polymer (Ormocomp, Micro Resist Technology) [19]. The second replica, which has the same litho ...
... The lens master mold was fabricated using a gallium FIB integrated into a Zeiss Orion NanoFab microscope. First and a second generation replicas of the master mold were created with a commercial UV-curable polymer (Ormocomp, Micro Resist Technology) [19]. The second replica, which has the same litho ...
the Quantifying Scatter PDF
... Scatter signals can be easily quantified as scattered light power per unit solid angle (in watts per steradian); however, in order to make the results more meaningful, these signals are usually normalized, in some fashion, by the light incident on the scatter source. The three ways commonly employed ...
... Scatter signals can be easily quantified as scattered light power per unit solid angle (in watts per steradian); however, in order to make the results more meaningful, these signals are usually normalized, in some fashion, by the light incident on the scatter source. The three ways commonly employed ...
Effect of pores on transmission properties of transparent ceramics
... can be hardly eliminated even the pore size is very small. It has been shown that ceramics are opaque when the porosity is more than 1% [12-13]. Thus, scattering by residual pores is considered as the main cause of preventing the transparency of ceramics. The pores are nanosized in the nano-ceramics ...
... can be hardly eliminated even the pore size is very small. It has been shown that ceramics are opaque when the porosity is more than 1% [12-13]. Thus, scattering by residual pores is considered as the main cause of preventing the transparency of ceramics. The pores are nanosized in the nano-ceramics ...
Optically Enhanced Magnetic Resonance
... angular momentum is laser magnetic resonance. It uses transitions between states that differ both in their electronic or vibrational and angular momentum quantum numbers. Transitions between such states depend on magnetic interactions but fall into the optical frequency range. The population differe ...
... angular momentum is laser magnetic resonance. It uses transitions between states that differ both in their electronic or vibrational and angular momentum quantum numbers. Transitions between such states depend on magnetic interactions but fall into the optical frequency range. The population differe ...
Rapid fabrication of 3D terahertz split ring resonator arrays by novel
... microscale periodic and quasiperiodic structures with micron to submicron feature size. This was performed through the application of nearly plane-wave incident light illumination through the surface mask with either single or multiphoton photoactivation. This technique departs from conventional pha ...
... microscale periodic and quasiperiodic structures with micron to submicron feature size. This was performed through the application of nearly plane-wave incident light illumination through the surface mask with either single or multiphoton photoactivation. This technique departs from conventional pha ...
Optical microscopy laboratory practice 2012
... magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the object being viewed which creates a magnified image in an area called the "primary image plane". This is the other half of the microscope magnification equation (eyepiece power times o ...
... magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the object being viewed which creates a magnified image in an area called the "primary image plane". This is the other half of the microscope magnification equation (eyepiece power times o ...
polygonal mirror laser scanning heads: characteristic functions
... dimensional (2D) PM plus GS devices, where the PM produces fast scan lines that are precisely positioned by the GS (as an alternative to dual axis GSs) [18]; (iv) double prismatic PMs for generating short laser impulses; (v) double pyramidal PMs (a normal one inside a similar pyramidal cavity) for O ...
... dimensional (2D) PM plus GS devices, where the PM produces fast scan lines that are precisely positioned by the GS (as an alternative to dual axis GSs) [18]; (iv) double prismatic PMs for generating short laser impulses; (v) double pyramidal PMs (a normal one inside a similar pyramidal cavity) for O ...
(k) and Refractive Index
... The setup for the option (1) requires that in the Corrections menu of the method, the options for both the 100%T/0A Baseline and the 0%T/Blocked Beam Baseline are checked, but the option Use internal attenuator is left unchecked, as shown in Figure 4. Using this setup, when the correction prompt is ...
... The setup for the option (1) requires that in the Corrections menu of the method, the options for both the 100%T/0A Baseline and the 0%T/Blocked Beam Baseline are checked, but the option Use internal attenuator is left unchecked, as shown in Figure 4. Using this setup, when the correction prompt is ...
PDF
... In the CO2 laser oscillator, as described in the previous section, the beam mode is being created while multiple physical phenomena simultaneously occur and influence each other: • Excitation of CO2 molecules by discharge plasma • Transport of the excited molecules by the gas flow • Interaction betw ...
... In the CO2 laser oscillator, as described in the previous section, the beam mode is being created while multiple physical phenomena simultaneously occur and influence each other: • Excitation of CO2 molecules by discharge plasma • Transport of the excited molecules by the gas flow • Interaction betw ...
Asymmetry of Electron Transmission through Monolayers of Helical
... using electrochemical techniques and scanning tunneling spectroscopy revealed asymmetry dependent on the applied voltage. It is suggested that the observed electron-transfer behavior is connected with the electric field generated by the molecular dipole of the polyalanine helix. ...
... using electrochemical techniques and scanning tunneling spectroscopy revealed asymmetry dependent on the applied voltage. It is suggested that the observed electron-transfer behavior is connected with the electric field generated by the molecular dipole of the polyalanine helix. ...
485-146 - Wseas.us
... refractive index discontinuity. For instance, If the average refractive index n0 of the homogeneous grating transforms into n0 + n/2 for the first half of the grating and n0 - n/2 for the second half (where n = /(2l) is the refractive index shift, l is the grating length, and is the Bragg wave ...
... refractive index discontinuity. For instance, If the average refractive index n0 of the homogeneous grating transforms into n0 + n/2 for the first half of the grating and n0 - n/2 for the second half (where n = /(2l) is the refractive index shift, l is the grating length, and is the Bragg wave ...
Direct Laser Writing: Versatile Tool for Microfabrication of Lithium
... to strong, spatially varying optical nonlinearity of photoexcited region of lithium niobate. In situations where focal elongation is not desired, it may be possible to suppress nonlinear effects using a recently proposed temporal focusing technique[13,14], which was successfully applied for reducing ...
... to strong, spatially varying optical nonlinearity of photoexcited region of lithium niobate. In situations where focal elongation is not desired, it may be possible to suppress nonlinear effects using a recently proposed temporal focusing technique[13,14], which was successfully applied for reducing ...
Optical Broadband Angular Selectivity Yichen Shen, Dexin Ye, Ivan Celanovic,
... quarter-wave stacks with various periodicities together (Fig. 2F); this approach gives rise to ultra-broadband angular selectivity at normal incidence for both polarizations (Fig. 2H). Other than using photonic bandgaps to remove unwanted extended modes, there might exist even more optimized ways t ...
... quarter-wave stacks with various periodicities together (Fig. 2F); this approach gives rise to ultra-broadband angular selectivity at normal incidence for both polarizations (Fig. 2H). Other than using photonic bandgaps to remove unwanted extended modes, there might exist even more optimized ways t ...
en_20160128_lzh_pm_hymnos_final
... in fluid-dynamically and thermally superimposed refractive index distributions”, the beam guidance in flowing liquids will be simulated. The scientists in the Production and Systems Department want to predict light propagation in fluid or gaseous light waveguides using a hybrid approach. In order to ...
... in fluid-dynamically and thermally superimposed refractive index distributions”, the beam guidance in flowing liquids will be simulated. The scientists in the Production and Systems Department want to predict light propagation in fluid or gaseous light waveguides using a hybrid approach. In order to ...
Fluorescence Fidelity Depends on Filters
... reduced compared to background fluorescence noise and for most cases it can be considered as a constant value that can be empirically determined. However, for low concentrations of fluorophores, especially in applications such as single-molecule imaging, it can be significant and requires careful c ...
... reduced compared to background fluorescence noise and for most cases it can be considered as a constant value that can be empirically determined. However, for low concentrations of fluorophores, especially in applications such as single-molecule imaging, it can be significant and requires careful c ...
The Intermediate Optical System of Laser
... transmit a beam of light this large without truncation. A microscope system with interchangeable objectives must either be adjustable or at least be usable with the lens having the largest BFP diameter. All other lenses will then be over-illuminated, which produces some stray reflections and involve ...
... transmit a beam of light this large without truncation. A microscope system with interchangeable objectives must either be adjustable or at least be usable with the lens having the largest BFP diameter. All other lenses will then be over-illuminated, which produces some stray reflections and involve ...
An experiment to measure Mie and Rayleigh total scattering cross
... rose to a constant maximum value for D below about 0.5. Therefore, it was assumed that for D below 0.5, multiple scattering could be ignored. The experimental cross sections reported in Sec. IV were obtained from samples with D between 0.1 and 0.5. We consider the question of whether the present exp ...
... rose to a constant maximum value for D below about 0.5. Therefore, it was assumed that for D below 0.5, multiple scattering could be ignored. The experimental cross sections reported in Sec. IV were obtained from samples with D between 0.1 and 0.5. We consider the question of whether the present exp ...
Developing 100 ps-resolved X-ray structural
... system. The data set for the structural analysis can be measured by the CCD with a 16-bit analog-to-digital converter (ADC). The readout time of the CCD is about 2.5 s. The CCD image has 2048 2048 pixels with a 80 mm 80 mm pixel size. The camera length can be adjusted from 20 mm to 370 mm, and t ...
... system. The data set for the structural analysis can be measured by the CCD with a 16-bit analog-to-digital converter (ADC). The readout time of the CCD is about 2.5 s. The CCD image has 2048 2048 pixels with a 80 mm 80 mm pixel size. The camera length can be adjusted from 20 mm to 370 mm, and t ...
A Laser Coupler for DVD/CD Playback
... The DVD system is now being widely used in playback optical disc systems, such as DVDvideo players and DVD-ROM drives. In the DVD system, it is important that the optical pickup of the system can play back both DVD media and CD media such as CD-DA, CD-ROM and CD-R/RW. But the 650nm laser cannot be u ...
... The DVD system is now being widely used in playback optical disc systems, such as DVDvideo players and DVD-ROM drives. In the DVD system, it is important that the optical pickup of the system can play back both DVD media and CD media such as CD-DA, CD-ROM and CD-R/RW. But the 650nm laser cannot be u ...