Precision Engineering Periodic error calculation from spectrum analyzer data
... Fig. 7 displays first and second order error magnitudes for 0 = −15 dBm, 1 = −50 dBm, and values of 2 from {−50 to −20} dBm. In a qualitative sense, the 35 dBm difference between 0 and 1 corresponds to the attenuation for a well aligned system. While 1 and 2 do not necessarily vary inde ...
... Fig. 7 displays first and second order error magnitudes for 0 = −15 dBm, 1 = −50 dBm, and values of 2 from {−50 to −20} dBm. In a qualitative sense, the 35 dBm difference between 0 and 1 corresponds to the attenuation for a well aligned system. While 1 and 2 do not necessarily vary inde ...
Sub-wavelength grating for enhanced ring resonator biosensor
... biosensing platform, Genalyte, utilizes ring resonators for TE polarized light and provides a bulk sensitivity of 54 nm/RIU and detection limit of 1 ng/mL, or 10−5 RIU [22, 23] (for simplicity quasi - TE and - TM modes are referred to as TE and TM modes). Yet many clinical diagnostic assays require ...
... biosensing platform, Genalyte, utilizes ring resonators for TE polarized light and provides a bulk sensitivity of 54 nm/RIU and detection limit of 1 ng/mL, or 10−5 RIU [22, 23] (for simplicity quasi - TE and - TM modes are referred to as TE and TM modes). Yet many clinical diagnostic assays require ...
Variability in ultraviolet total optical depth during the Southern
... at Mt Wilson. These radiometers have 2 nm nominal fullwidth at half-maximum "lters whose center wavelengths are 300.4, 305.7, 312.0, 318.1, 325.9, 332.9 and 367.8 nm. Bigelow et al. (1998) have shown that integrated out-ofband light contamination is less than 0.5%. A shadowband blocks the direct sol ...
... at Mt Wilson. These radiometers have 2 nm nominal fullwidth at half-maximum "lters whose center wavelengths are 300.4, 305.7, 312.0, 318.1, 325.9, 332.9 and 367.8 nm. Bigelow et al. (1998) have shown that integrated out-ofband light contamination is less than 0.5%. A shadowband blocks the direct sol ...
Wave aberration of human eyes and new descriptors
... of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, although down to approximately 2.3 mm diameter, then diffraction begins to increase the blur circle and the effect of diffraction.11 To the contrary, the magnitude of aberrations increases with pupil dilation ...
... of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, although down to approximately 2.3 mm diameter, then diffraction begins to increase the blur circle and the effect of diffraction.11 To the contrary, the magnitude of aberrations increases with pupil dilation ...
5 The Basics of Confocal Microscopy
... Current instruments are highly modified from the earliest versions, but the principle of confocal imaging that was developed by Marvin Minsky is employed in all modern confocal microscopes (Minsky 1961; 1988). The image in a confocal microscope is achieved by scanning one or more focused beams of li ...
... Current instruments are highly modified from the earliest versions, but the principle of confocal imaging that was developed by Marvin Minsky is employed in all modern confocal microscopes (Minsky 1961; 1988). The image in a confocal microscope is achieved by scanning one or more focused beams of li ...
Fabrication of Surface Plasmon Resonators by Nanoskiving Single
... To compare the morphology and optical properties of single-crystalline nanowires produced by nanoskiving with those of polycrystalline nanowires, we fabricated polycrystalline nanowires by a three-step process: (i) patterning 5-µmwide gold lines on an epoxy substrate by electron-beam evaporation and ...
... To compare the morphology and optical properties of single-crystalline nanowires produced by nanoskiving with those of polycrystalline nanowires, we fabricated polycrystalline nanowires by a three-step process: (i) patterning 5-µmwide gold lines on an epoxy substrate by electron-beam evaporation and ...
downhole enthalpy measurement in geothermal wells with fiber optics
... enthalpy. There are several well-known methods that can be used for continuous phase velocity measurements in two-phase flow, like hot-film anemometry. Therefore, in this study we concentrated on measuring only void fraction and the dispersed-phase velocity. ...
... enthalpy. There are several well-known methods that can be used for continuous phase velocity measurements in two-phase flow, like hot-film anemometry. Therefore, in this study we concentrated on measuring only void fraction and the dispersed-phase velocity. ...
Introduction to Optics
... The students will be encouraged to explore the function and the characteristics of optical prisms. Equipment: Optical table; light source; laser pointer and laser holder; prism; diaphragm; ...
... The students will be encouraged to explore the function and the characteristics of optical prisms. Equipment: Optical table; light source; laser pointer and laser holder; prism; diaphragm; ...
Semiconductor Lasers Using Diffused Quantum
... IN FABRICATION OF SEMICONDUCTOR LASERS Interdiffusion of QW is a simple, controllable and reproducible technique to change the as-grown QW into nonsquare one. In general, the intermixing process causes the increment in bandgap energy but the reduction in refractive index of the QW materials. The res ...
... IN FABRICATION OF SEMICONDUCTOR LASERS Interdiffusion of QW is a simple, controllable and reproducible technique to change the as-grown QW into nonsquare one. In general, the intermixing process causes the increment in bandgap energy but the reduction in refractive index of the QW materials. The res ...
Chapter 11: The Eye and Light - San Juan Unified School District
... changes, or disturbs, the flat surface of the pool. This disturbance is caused by the energy transferred to the water from the moving rock. As you watch, waves move outward from the place where the rock entered the water. These waves carry energy to other parts of the pool. Similar to water waves, l ...
... changes, or disturbs, the flat surface of the pool. This disturbance is caused by the energy transferred to the water from the moving rock. As you watch, waves move outward from the place where the rock entered the water. These waves carry energy to other parts of the pool. Similar to water waves, l ...
Fabrication of Cube Beamsplitters for White Light Interferometry
... avoid introducing wavelength dependent phase errors into the wavefront. Typical commercial cube beamsplitters are not currently manufactured to the tolerances required by white light interferometry. High quality beamsplitters are typically matched to about 100µm of optical path length and can vary s ...
... avoid introducing wavelength dependent phase errors into the wavefront. Typical commercial cube beamsplitters are not currently manufactured to the tolerances required by white light interferometry. High quality beamsplitters are typically matched to about 100µm of optical path length and can vary s ...
Plasmonic Nearfield Scanning Probe with High Transmission
... a similar exposure result was obtained by using 10× higher input power (0.08 mW) through the tip without the plasmonic lens (Figure 4d). By comparing the depth and width of the fabricated patterns, doses from plasmonic NSOM probes are 2 × larger than those from normal NSOM probes. Considering that i ...
... a similar exposure result was obtained by using 10× higher input power (0.08 mW) through the tip without the plasmonic lens (Figure 4d). By comparing the depth and width of the fabricated patterns, doses from plasmonic NSOM probes are 2 × larger than those from normal NSOM probes. Considering that i ...
to get the file
... Electrical and Computer Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, United States The dynamic properties of aluminum-doped zinc oxide are investigated using a pump-probe technique where an ultrafast change in the transmission is observed. Using this effect, a tunable ...
... Electrical and Computer Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, United States The dynamic properties of aluminum-doped zinc oxide are investigated using a pump-probe technique where an ultrafast change in the transmission is observed. Using this effect, a tunable ...
Nonlinear pulse compression DISSERTATION
... of nonlinear processes. The latter are for example frequency mixing processes like sum-frequency generation (SFG) and optical parametric amplification (OPA) or other nonlinear processes like the optical Kerr effect or cross-phase modulation (XPM), just to name some of them. Amplified pulses of short ...
... of nonlinear processes. The latter are for example frequency mixing processes like sum-frequency generation (SFG) and optical parametric amplification (OPA) or other nonlinear processes like the optical Kerr effect or cross-phase modulation (XPM), just to name some of them. Amplified pulses of short ...
Introductory Quantum Optics
... This statement sums up the approach we will take throughout this book. Weisskopf and Wigner applied the newly developed ideas of non-relativistic quantum mechanics to the dynamics of spontaneous emission and resonance fluorescence, predicting the exponential law for excited-state decay. This work al ...
... This statement sums up the approach we will take throughout this book. Weisskopf and Wigner applied the newly developed ideas of non-relativistic quantum mechanics to the dynamics of spontaneous emission and resonance fluorescence, predicting the exponential law for excited-state decay. This work al ...