45.Z-scan measurement of the nonlinear refractive index of graphene
... June 1, 2012 / Vol. 37, No. 11 / OPTICS LETTERS ...
... June 1, 2012 / Vol. 37, No. 11 / OPTICS LETTERS ...
Figure 2. Turbo FT Laser Lineshape
... 7.2 NIR/SWIR TURBO INSTRUMENT With the use of different optics and detectors, a Turbo FT can be built to operate in the NIR/SWIR spectral region from 1-2.5 microns. In this configuration, there are much more stringent alignment and drift requirements for the interferometer, and much higher operating ...
... 7.2 NIR/SWIR TURBO INSTRUMENT With the use of different optics and detectors, a Turbo FT can be built to operate in the NIR/SWIR spectral region from 1-2.5 microns. In this configuration, there are much more stringent alignment and drift requirements for the interferometer, and much higher operating ...
Novel biosensor for detecting Hemoglobin and its oxidation state
... There has been a great deal of interest in sensing using the surface and guided modes of a stratified medium. Usually such sensors make use of the attenuated total reflection dip, which heralds the excitation of the surface/guided mode [13]. The angular or the spectral location of the dip is extreme ...
... There has been a great deal of interest in sensing using the surface and guided modes of a stratified medium. Usually such sensors make use of the attenuated total reflection dip, which heralds the excitation of the surface/guided mode [13]. The angular or the spectral location of the dip is extreme ...
244065
... The interaction of photons with metallic nanoparticles and nanoantennas yields large enhancement and tight localization of electromagnetic fields in the vicinity of nanoparticles. In the first part of this study, the interaction of a spherical nanoparticle with focused beams of various angular spect ...
... The interaction of photons with metallic nanoparticles and nanoantennas yields large enhancement and tight localization of electromagnetic fields in the vicinity of nanoparticles. In the first part of this study, the interaction of a spherical nanoparticle with focused beams of various angular spect ...
Doppler-Free Saturated Absorption Spectroscopy of Rubidium Using a Tunable Diode Laser
... to avoid air currents, and mounting the cavity on rubber cushions to reduce the movement due to vibrations [1]. Tunable diode lasers’ narrow linewidth makes them particularly useful for high resolution spectroscopy. Recall, atomic spectral lines are due to transitions in an atom between energy level ...
... to avoid air currents, and mounting the cavity on rubber cushions to reduce the movement due to vibrations [1]. Tunable diode lasers’ narrow linewidth makes them particularly useful for high resolution spectroscopy. Recall, atomic spectral lines are due to transitions in an atom between energy level ...
V. experimental setup of all-optical tunable delay
... equally spaced, a number of the new waves will have the same frequencies as the injected signals. The original signal waves can strictly multi channel system performance. The efficiency of four-wave mixing depends on fiber dispersion and the channel spacing [3, 4]. The dispersion varies with wavelen ...
... equally spaced, a number of the new waves will have the same frequencies as the injected signals. The original signal waves can strictly multi channel system performance. The efficiency of four-wave mixing depends on fiber dispersion and the channel spacing [3, 4]. The dispersion varies with wavelen ...
Observation of Collective Friction Forces due to Spatial Self
... We propose that the observed damping of the c.m. velocity can be understood in terms of different magnitudes of the blue and red Doppler sidebands produced by combined amplitude and phase modulation of the intracavity light [16]. If the blue Doppler sideband’s magnitude exceeds that of the red one, ...
... We propose that the observed damping of the c.m. velocity can be understood in terms of different magnitudes of the blue and red Doppler sidebands produced by combined amplitude and phase modulation of the intracavity light [16]. If the blue Doppler sideband’s magnitude exceeds that of the red one, ...
Diffraction - Purdue Physics
... hits the center of the photodiode. You may need to align the center position of the diode left and right as the diaphragm position can be aligned only vertically. Without changing its height, move the diaphragm to the other end of the bench close to the laser. Realign the laser height and tilt so th ...
... hits the center of the photodiode. You may need to align the center position of the diode left and right as the diaphragm position can be aligned only vertically. Without changing its height, move the diaphragm to the other end of the bench close to the laser. Realign the laser height and tilt so th ...
Low Signal Latency in Optical Fiber Networks
... Latency is the elapsed time between sending and receiving a message in an actionable form. Low latency is important whenever action on the message is time sensitive. The most common low latency application today is high frequency trading by the financial services industry where trades are initiated ...
... Latency is the elapsed time between sending and receiving a message in an actionable form. Low latency is important whenever action on the message is time sensitive. The most common low latency application today is high frequency trading by the financial services industry where trades are initiated ...
Persistent spectral hole burning in an organic material for temporal
... persed by the first diffraction grating, and they are focused by a lens on a linear array of liquid-crystal phase modulators (LCM’s). After phase filtering, the different spectral components are collimated by a second lens and collected into a single beam by a second grating. Both lenses have the sa ...
... persed by the first diffraction grating, and they are focused by a lens on a linear array of liquid-crystal phase modulators (LCM’s). After phase filtering, the different spectral components are collimated by a second lens and collected into a single beam by a second grating. Both lenses have the sa ...
Modes in Optical Fibers
... Mount the He-Ne laser and the fiber coupler with 20X objective lens, so that the laser beam is parallel to the lens axis and strikes the lens at the center. Strip and cleave the both ends of the fiber. Be sure not to make any contact with the fiber end after cleaving. Mount the ends of the fiber in ...
... Mount the He-Ne laser and the fiber coupler with 20X objective lens, so that the laser beam is parallel to the lens axis and strikes the lens at the center. Strip and cleave the both ends of the fiber. Be sure not to make any contact with the fiber end after cleaving. Mount the ends of the fiber in ...
Light Scattering
... scattering intensity compared with red light. That is why the sky is blue. The intensity of the scattered light carries information about the molar mass of the scattering centres (molecules, in particular macromolecules), the angular dependence of the scattering intensity carries information about t ...
... scattering intensity compared with red light. That is why the sky is blue. The intensity of the scattered light carries information about the molar mass of the scattering centres (molecules, in particular macromolecules), the angular dependence of the scattering intensity carries information about t ...
Profilometer - Department of Mechanical Engineering
... Direct Technique : No modelling required. Not suitable for very soft (or even liquid) and easily damageable surface Very hard and damage surface can damage the stylus Only 2D ...
... Direct Technique : No modelling required. Not suitable for very soft (or even liquid) and easily damageable surface Very hard and damage surface can damage the stylus Only 2D ...
View PDF - Oriental Journal of Chemistry
... and the infrared and Raman spectra of simple molecules and ions. This incredible correlation tends to be shadowed by deep theoretical and mathematical principles such that a good number of scholars are denied the joy of appreciating the correlation between molecular symmetry and infrared and Raman s ...
... and the infrared and Raman spectra of simple molecules and ions. This incredible correlation tends to be shadowed by deep theoretical and mathematical principles such that a good number of scholars are denied the joy of appreciating the correlation between molecular symmetry and infrared and Raman s ...
Controlling light-with-light without nonlinearity
... thin film can absorb not more than half of the energy of the incident beam.12,13 At the same time, a level of absorption of 50% is difficult to achieve in thin unstructured metal films: across most of the optical spectrum, incident energy will either be reflected or transmitted by such a film. Recen ...
... thin film can absorb not more than half of the energy of the incident beam.12,13 At the same time, a level of absorption of 50% is difficult to achieve in thin unstructured metal films: across most of the optical spectrum, incident energy will either be reflected or transmitted by such a film. Recen ...
Diffraction limited resolution - X-ray and Observational Astronomy
... • Unfortunately, the resolution of ground-based telescopes does not improve without limit as the mirror size increases • This is due to the turbulent nature of the Earth’s atmosphere • Local changes in atmospheric T and density over small distances create regions where the light is refracted in rand ...
... • Unfortunately, the resolution of ground-based telescopes does not improve without limit as the mirror size increases • This is due to the turbulent nature of the Earth’s atmosphere • Local changes in atmospheric T and density over small distances create regions where the light is refracted in rand ...
Document
... 2. A step-index single-mode fiber for transmitting a signal at λ = 1.35 μm is 100 km long. At this wavelength, the fiber has the following parameters for its silica cladding: n2 = 1.446, N2 = 1.466, and D2 = −0.0027. Its core has a radius of a = 4 μm and an index of n1 = 1.450. What are the propagat ...
... 2. A step-index single-mode fiber for transmitting a signal at λ = 1.35 μm is 100 km long. At this wavelength, the fiber has the following parameters for its silica cladding: n2 = 1.446, N2 = 1.466, and D2 = −0.0027. Its core has a radius of a = 4 μm and an index of n1 = 1.450. What are the propagat ...
Using a Spectrophotometer
... As mentioned earlier, spectrophotometers are not limited to detecting absorption of only visible light. Some also have a source of ultraviolet light (usually supplied by a hydrogen or mercury lamp), which has wavelengths that range from about 180 to 400 nm. Ultraviolet wavelengths ranging from 180 t ...
... As mentioned earlier, spectrophotometers are not limited to detecting absorption of only visible light. Some also have a source of ultraviolet light (usually supplied by a hydrogen or mercury lamp), which has wavelengths that range from about 180 to 400 nm. Ultraviolet wavelengths ranging from 180 t ...
Amorphous to Tetragonal Zirconia
... crystallinity controlled synthesis1,2 and subsequent understanding of electronic structure of d-block metal oxides such as ZrO2 and HfO2.2−5 These materials are, in general, used in the form of relatively thicker films, however, capacitively equivalent although better gate dielectrics (better potenti ...
... crystallinity controlled synthesis1,2 and subsequent understanding of electronic structure of d-block metal oxides such as ZrO2 and HfO2.2−5 These materials are, in general, used in the form of relatively thicker films, however, capacitively equivalent although better gate dielectrics (better potenti ...
Needle-based reflection refractometry of scattering samples using
... ng = l / d. In addition to its use for bulk measurement, this method has been combined with direct and computed tomography techniques to form cross-sectional refractive index images.[16-18] In addition to precise pathlength sensing, coherent techniques may also be used map reflection amplitudes, a ...
... ng = l / d. In addition to its use for bulk measurement, this method has been combined with direct and computed tomography techniques to form cross-sectional refractive index images.[16-18] In addition to precise pathlength sensing, coherent techniques may also be used map reflection amplitudes, a ...
Spider Silk: The Mother Nature`s Biological Superlens
... To summarise, this paper verified that the minor ampullate spider silk, spun from the Nephila edulis spider, has the properties to perform as an optical superlens by utilising photonic nanojets to carry the surface information at a highspatial-frequency, which can resolve 100-nm objects and patterns ...
... To summarise, this paper verified that the minor ampullate spider silk, spun from the Nephila edulis spider, has the properties to perform as an optical superlens by utilising photonic nanojets to carry the surface information at a highspatial-frequency, which can resolve 100-nm objects and patterns ...
Spring mechanics of α-helical polypeptide
... decreasing the density of NHS-PEG3400-MAL on the substrate. The silanized tips were treated with the homobifunctional cross-linker disuccinimidyl suberate (DSS) (Pierce, Rockford, IL) for stretching of (Glu)n-Cys and treated with the heterobifunctional cross-linker N-succinimidyl 3-(2-pyridyldithio) ...
... decreasing the density of NHS-PEG3400-MAL on the substrate. The silanized tips were treated with the homobifunctional cross-linker disuccinimidyl suberate (DSS) (Pierce, Rockford, IL) for stretching of (Glu)n-Cys and treated with the heterobifunctional cross-linker N-succinimidyl 3-(2-pyridyldithio) ...
Lecture 12 – Nanophotonics in Microscopy
... EECS 598-002 Nanophotonics and Nanoscale Fabrication by P.C.Ku ...
... EECS 598-002 Nanophotonics and Nanoscale Fabrication by P.C.Ku ...
a flat high-frequency scanning micromirror - EECS: www
... between the spots. The spot size and separation at eight different regions across the scan give the measured total optical resolution of 350 pixels. The resolution of this 550 µm-diameter mirror with 24.9° optical scan and 655 nm laser light is near the diffractionlimited resolution of 355 pixels fr ...
... between the spots. The spot size and separation at eight different regions across the scan give the measured total optical resolution of 350 pixels. The resolution of this 550 µm-diameter mirror with 24.9° optical scan and 655 nm laser light is near the diffractionlimited resolution of 355 pixels fr ...