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Direct Patterning of Three-Dimensional Periodic
... optical field patterns in the two cases are alike, the contrast is different, as shown in Figure 1b for an aluminum mask and an optimized phase-shift mask. It is clear from the plot that 3D-SPAN can achieve a much larger contrast, which can significantly facilitate the photolithography process. It i ...
... optical field patterns in the two cases are alike, the contrast is different, as shown in Figure 1b for an aluminum mask and an optimized phase-shift mask. It is clear from the plot that 3D-SPAN can achieve a much larger contrast, which can significantly facilitate the photolithography process. It i ...
The Fabry-Pérot Interferometer
... Divergent light (or convergent beyond its focus) after passing a pair of FabryPérot plates has a beautiful annulus system as an interference pattern (Fig. 4). These extremely sharp fringes are named Haidinger rings or fringes of equal inclination. On such a fringe the angle ϕ, which a beam tends wi ...
... Divergent light (or convergent beyond its focus) after passing a pair of FabryPérot plates has a beautiful annulus system as an interference pattern (Fig. 4). These extremely sharp fringes are named Haidinger rings or fringes of equal inclination. On such a fringe the angle ϕ, which a beam tends wi ...
Soft-x-ray interferometer for single-shot laser linewidth measurements
... of the spectrum by use of a vertical-cavity surfaceemitting laser diode,14 which could be adjusted to emit in two modes of similar amplitude. Using standard 1-in. s2.54 cmd gratings of 600 groovesymm made it possible to measure the spectral separation of the modes of the available laser, but the spe ...
... of the spectrum by use of a vertical-cavity surfaceemitting laser diode,14 which could be adjusted to emit in two modes of similar amplitude. Using standard 1-in. s2.54 cmd gratings of 600 groovesymm made it possible to measure the spectral separation of the modes of the available laser, but the spe ...
Light scattering described in the mode picture
... as being lost from the original mode, is a relatively poor one and might not be adequate for all applications. A more appropriate approach is to use the mode picture, in which a wave-front deformation is considered to cause coupling into other modes; the deformed beam is described as a superposition ...
... as being lost from the original mode, is a relatively poor one and might not be adequate for all applications. A more appropriate approach is to use the mode picture, in which a wave-front deformation is considered to cause coupling into other modes; the deformed beam is described as a superposition ...
Scattering and Polarization Properties of the Scarab Beetle Cyphochilus insulanus cuticle
... of these structures for use in solar cell applications are now emerging [12]. Other interesting candidates for camouflage studies are cuticle structures of beetles of the genus Cyphochilus, due to the combination of low weight, low gloss and high whiteness, which could be useful in both visual (VIS) ...
... of these structures for use in solar cell applications are now emerging [12]. Other interesting candidates for camouflage studies are cuticle structures of beetles of the genus Cyphochilus, due to the combination of low weight, low gloss and high whiteness, which could be useful in both visual (VIS) ...
Technical Information on Optics
... geometrical optical transfer function (GOTF). Monochromatic radiation Radiation having a very narrow bandwidth (for example, laser radiation). Newton rings Circular series of interference fringes of equal thickness (i. e. Fizeau fringes) seen when two polished surfaces (at least one of which is slig ...
... geometrical optical transfer function (GOTF). Monochromatic radiation Radiation having a very narrow bandwidth (for example, laser radiation). Newton rings Circular series of interference fringes of equal thickness (i. e. Fizeau fringes) seen when two polished surfaces (at least one of which is slig ...
X-Ray and Neutron Reflectivity - Physik der molekularen und
... The reflected intensity is then RF = |r|2 . kz and kz0 are the vertical component of, respectively, the incident and transmitted wave. Close to the critical angle kz0 is strongly affected by refraction effects. We find ...
... The reflected intensity is then RF = |r|2 . kz and kz0 are the vertical component of, respectively, the incident and transmitted wave. Close to the critical angle kz0 is strongly affected by refraction effects. We find ...
OM1 - Faculty of Engineering
... forms, including precaution steps. It is your responsibility to make sure you can 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 ...
... forms, including precaution steps. It is your responsibility to make sure you can 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 ...
O A
... carrier density of semiconductor resonant waveguide thus changing its refractive index. The changes of the waveguide refractive index will lead the resonator wavelength shift. Then, wavelength λ3 that passed through the ring resonator will propagate along the waveguide and partially coupled into Cou ...
... carrier density of semiconductor resonant waveguide thus changing its refractive index. The changes of the waveguide refractive index will lead the resonator wavelength shift. Then, wavelength λ3 that passed through the ring resonator will propagate along the waveguide and partially coupled into Cou ...
Homework Set #2 Due: 1-25-12 Review problem / tutorial on gratings.
... 1) Review problem / tutorial on gratings. A grating is an optical component that modulates light spatially so that the outgoing diffracted light comes out at an angle that depends on its wavelength. Gratings can be designed so that the diffracted light is transmitted through the grating or, as shown ...
... 1) Review problem / tutorial on gratings. A grating is an optical component that modulates light spatially so that the outgoing diffracted light comes out at an angle that depends on its wavelength. Gratings can be designed so that the diffracted light is transmitted through the grating or, as shown ...
of refraction
... Light very often travels in straight lines. We represent light using rays, which are straight lines emanating from an object. This is an idealization, but is very useful for geometric optics. ...
... Light very often travels in straight lines. We represent light using rays, which are straight lines emanating from an object. This is an idealization, but is very useful for geometric optics. ...
Factors Toward The Development Of A Robust Surface Plasmon
... the surface plasmon polariton (SPP) is formed, these particles starts propagating along the metal-dielectric interface with amplitudes decaying into both layers. SPP is used to overcome diffraction limit. This leads to the fabrication of photonic devices at very smaller scales than those currently a ...
... the surface plasmon polariton (SPP) is formed, these particles starts propagating along the metal-dielectric interface with amplitudes decaying into both layers. SPP is used to overcome diffraction limit. This leads to the fabrication of photonic devices at very smaller scales than those currently a ...
Contribution of Structure and Morphology of Design Constituents to Performance Improvement of Multilayer Polaritonic Photodetector
... requirements, signal-to-noise ratio and durability are crucial for the SPR-based devices. Present work is intended to demonstrate improving the performance of above mentioned multilayer polaritonic photodetector. Keeping in mind the application-specific design of the SBH, structurization of each con ...
... requirements, signal-to-noise ratio and durability are crucial for the SPR-based devices. Present work is intended to demonstrate improving the performance of above mentioned multilayer polaritonic photodetector. Keeping in mind the application-specific design of the SBH, structurization of each con ...
McDonald-etal-OE-2015-3D-mapping-of-intensity
... of passes creates a smooth contour of the parabolic dish. Further details of the construction and characterization can be found in [17], where an RMS roughness of 4.0 nm was measured by AFM over the range of the concave parabolic surface. Due to the identical manufacturing process similar values are ...
... of passes creates a smooth contour of the parabolic dish. Further details of the construction and characterization can be found in [17], where an RMS roughness of 4.0 nm was measured by AFM over the range of the concave parabolic surface. Due to the identical manufacturing process similar values are ...
What is a surface plasmon?
... in order to compute numerically the location of poles and zeros in the complex plane Example: M.C. Hutley and D. Maystre, 1976: Sinusoidal gold grating with a period d=555.5 nm, Illuminated with p polarized light of wavelength 647 nm. For small incidences, the only non-evanescent order is the zeroth ...
... in order to compute numerically the location of poles and zeros in the complex plane Example: M.C. Hutley and D. Maystre, 1976: Sinusoidal gold grating with a period d=555.5 nm, Illuminated with p polarized light of wavelength 647 nm. For small incidences, the only non-evanescent order is the zeroth ...
Polarization of light on reflection by some natural
... of the inherent periodicity exhibited by I($, E ) , in view of the fact that an analyser, such as a Glan-Thompson prism, transmits the same amount of light when its transmission plane is either at an angle $ or $+ n from the I direction, it should be possible to resolve I($, E ) into elementary comp ...
... of the inherent periodicity exhibited by I($, E ) , in view of the fact that an analyser, such as a Glan-Thompson prism, transmits the same amount of light when its transmission plane is either at an angle $ or $+ n from the I direction, it should be possible to resolve I($, E ) into elementary comp ...
Effect of Macroscopic Structure in Iridescent Color
... Next, we consider the optical interference among one-dimensionally arrayed rods parallel to the surface in the transverse cross section. The rod spacing of 140 nm is by far smaller than the visible wavelength. Thus, the first- and higher-order diffraction spots do not appear for the visible light. M ...
... Next, we consider the optical interference among one-dimensionally arrayed rods parallel to the surface in the transverse cross section. The rod spacing of 140 nm is by far smaller than the visible wavelength. Thus, the first- and higher-order diffraction spots do not appear for the visible light. M ...
Chapter 30 . Optical Testing
... cameras (Womack et al., 1979), photoelectric scanners, and digitizing tablets. Review ...
... cameras (Womack et al., 1979), photoelectric scanners, and digitizing tablets. Review ...
reflection and refraction
... (C) Air molecules will move faster over the upper surface of the wing than the lower surface ...
... (C) Air molecules will move faster over the upper surface of the wing than the lower surface ...
Optical interference component irradiances."
... S. Note that at glancing incidence, θi ≈ 90°, the amplitude reflection coef. = -1 which yields a phase shift of Δϕ = ± π ⇒ δ = k(r1-r2) ± π Therefore, I = 4 I cos 2 δ = 4 I cos 2 ⎛⎜ πay ± π ⎞⎟ = 4 I sin 2 ⎛⎜ πay ⎞⎟; Δy ≈ s λ ...
... S. Note that at glancing incidence, θi ≈ 90°, the amplitude reflection coef. = -1 which yields a phase shift of Δϕ = ± π ⇒ δ = k(r1-r2) ± π Therefore, I = 4 I cos 2 δ = 4 I cos 2 ⎛⎜ πay ± π ⎞⎟ = 4 I sin 2 ⎛⎜ πay ⎞⎟; Δy ≈ s λ ...
Physical Optics: Diffraction, Interference, and Polarization of Light
... approaches the wavelength of the light illuminating it. If an object is smaller than the wavelength, no structure--or anything--can be seen. No amount of magnification or perfection of microscopy design can defeat this fundamental diffraction limit. ...
... approaches the wavelength of the light illuminating it. If an object is smaller than the wavelength, no structure--or anything--can be seen. No amount of magnification or perfection of microscopy design can defeat this fundamental diffraction limit. ...