TS2
... band gap guidance. Although the first (solid core) photonic band gap fiber was reported in 1998 (27) (Fig. 3, E and F), hollow-core guidance had Fig. 3. An assortment of optical (OM) and scanning electron (SEM) to wait until the technolomicrographs of PCF structures. (A) SEM of an endlessly single-m ...
... band gap guidance. Although the first (solid core) photonic band gap fiber was reported in 1998 (27) (Fig. 3, E and F), hollow-core guidance had Fig. 3. An assortment of optical (OM) and scanning electron (SEM) to wait until the technolomicrographs of PCF structures. (A) SEM of an endlessly single-m ...
full text pdf
... the spatial distribution of the light intensity that is propor− tional to the component of the full mean Poynting vector, that is normal to the detection scanning plane placed in the particle proximity. While for such large particles (compared to the light wavelength), the quasistatic approximation ...
... the spatial distribution of the light intensity that is propor− tional to the component of the full mean Poynting vector, that is normal to the detection scanning plane placed in the particle proximity. While for such large particles (compared to the light wavelength), the quasistatic approximation ...
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Light Microscopy [10 credits]
... Determinants of optical resolution & contrast in the bright-field microscope Optical contrast techniques The epifluorescence microscope Confocal microscopy: Confocality & confocal microscopy methods Confocal microscopy – Components 1 Confocal microscopy – Components 2 Image acquisition parameters Sa ...
... Determinants of optical resolution & contrast in the bright-field microscope Optical contrast techniques The epifluorescence microscope Confocal microscopy: Confocality & confocal microscopy methods Confocal microscopy – Components 1 Confocal microscopy – Components 2 Image acquisition parameters Sa ...
Fiber optic devices and systems
... larger refractive index than the outer one. This structure was already proposed in the late 19th century but its practical application started with the development of endoscopy in medical technology in the early 1950s when the then Indian PhD student, Narinder S. Kapany, was asked by his supervisor, ...
... larger refractive index than the outer one. This structure was already proposed in the late 19th century but its practical application started with the development of endoscopy in medical technology in the early 1950s when the then Indian PhD student, Narinder S. Kapany, was asked by his supervisor, ...
Fundamental Limit to Linear One-Dimensional Slow Light Structures
... For an ideal dispersive material, Tucker et al. [7] give a delay-bandwidth product limit of ( L / λc )(navg − nmin ) . Since navg ≥ 1 in a loss-less material, our limit always somewhat exceeds that of Tucker et al. [7] for this case by a factor ~ navg . For a set of coupled resonators (including the ...
... For an ideal dispersive material, Tucker et al. [7] give a delay-bandwidth product limit of ( L / λc )(navg − nmin ) . Since navg ≥ 1 in a loss-less material, our limit always somewhat exceeds that of Tucker et al. [7] for this case by a factor ~ navg . For a set of coupled resonators (including the ...
A Practical Guide to Optical Trapping
... Figure 1: Different Optical Trapping Assays. (A) Optical trapping studies of RNA polymerase typically fix the polymerase to a optically trapped bead while the distal end of the DNA is attached to the microscope coverslip. As the polymerase moves along the DNA it must do work against the optical trap ...
... Figure 1: Different Optical Trapping Assays. (A) Optical trapping studies of RNA polymerase typically fix the polymerase to a optically trapped bead while the distal end of the DNA is attached to the microscope coverslip. As the polymerase moves along the DNA it must do work against the optical trap ...
Oxidation of some Late Transition Metal Surfaces: Structural studies
... Simulations corresponding to typical standard x-ray diffraction (XRD), SXRD and LEED experiments are shown in Fig. 3.7b-d, with penetration depths in the order of 1 μm, 10 nm and 10 Å respectively. For the simulation of standard x-ray diffraction we find a ratio between the signals from the surface ...
... Simulations corresponding to typical standard x-ray diffraction (XRD), SXRD and LEED experiments are shown in Fig. 3.7b-d, with penetration depths in the order of 1 μm, 10 nm and 10 Å respectively. For the simulation of standard x-ray diffraction we find a ratio between the signals from the surface ...
EPH7052 Optical Comm Chapter05 Amplifiers
... • can be readily integrated along with other semiconductors and photonic devices into one monolithic chip called an optoelectronic integrated circuit (OEIC) ...
... • can be readily integrated along with other semiconductors and photonic devices into one monolithic chip called an optoelectronic integrated circuit (OEIC) ...
Chapter One: Light Dr.Muayyed Jabar Zoory
... The refraction index of a medium is defined as the ratio of velocity of light in a vacuum to the velocity of light in the medium index. Refraction index defined as above is called as absolute refraction index. Thus, ...
... The refraction index of a medium is defined as the ratio of velocity of light in a vacuum to the velocity of light in the medium index. Refraction index defined as above is called as absolute refraction index. Thus, ...
Coherence properties of sunlight
... degree of coherence of the f ield generated by an incoherent source takes on its far-zone behavior at distances immediately beyond the near zone of the source and well before one reaches the traditionally def ined far-zone limit. We have performed calculations of the degree of coherence for sources ...
... degree of coherence of the f ield generated by an incoherent source takes on its far-zone behavior at distances immediately beyond the near zone of the source and well before one reaches the traditionally def ined far-zone limit. We have performed calculations of the degree of coherence for sources ...
Super-resolution Microscopy
... can be broadly categorized into two main approaches [1]. In the first approach, called “targeted switching and readout”, the illumination volume in a fluorescent sample is confined to a small region, which is much smaller than the diffraction-limited spot size. Stimulated emission depletion (STED) m ...
... can be broadly categorized into two main approaches [1]. In the first approach, called “targeted switching and readout”, the illumination volume in a fluorescent sample is confined to a small region, which is much smaller than the diffraction-limited spot size. Stimulated emission depletion (STED) m ...
Infrared Spectroscopy_03
... radiation. Generally made from Pyrex or another material with low coefficient of thermal expansion. Front surfaces coated with a vacuum-deposited thin metal film of Al, Ag, or Au. ...
... radiation. Generally made from Pyrex or another material with low coefficient of thermal expansion. Front surfaces coated with a vacuum-deposited thin metal film of Al, Ag, or Au. ...
Use of Broadband, Continuous-Wave Diode Lasers in Cavity Ring
... Because CRDS is a line-of-sight technique, it can also be used to record events with spatial resolution. Methylene blue added to a volume of acetonitrile diffuses into the probe beam. Figure 4 shows the diffusion process over a few m inutes. The t was produced by equations that describe the diffus ...
... Because CRDS is a line-of-sight technique, it can also be used to record events with spatial resolution. Methylene blue added to a volume of acetonitrile diffuses into the probe beam. Figure 4 shows the diffusion process over a few m inutes. The t was produced by equations that describe the diffus ...
Second harmonic generation via total internal reflection quasi
... niobate crystal at a given λω and an incidence angle θ = 60º determines the values of l1 and subsequently the cavity size (α = 2l1) that simultaneously satisfies the FW and SH wave propagation and TIR-QPM conditions. Table 1 contains the cavity dimensions and the coherence lengths determined for the ...
... niobate crystal at a given λω and an incidence angle θ = 60º determines the values of l1 and subsequently the cavity size (α = 2l1) that simultaneously satisfies the FW and SH wave propagation and TIR-QPM conditions. Table 1 contains the cavity dimensions and the coherence lengths determined for the ...
Comparison of the sensitivity of air and dielectric
... mainly concentrated in the high index material. Cavity modes with resonant frequencies close to the lower band gap edge inherit this character, and have a small overlap between the field and the sample (holes), but typically have high-Q. In contrast, resonant modes close to the upper band gap edge h ...
... mainly concentrated in the high index material. Cavity modes with resonant frequencies close to the lower band gap edge inherit this character, and have a small overlap between the field and the sample (holes), but typically have high-Q. In contrast, resonant modes close to the upper band gap edge h ...
Recollison physics - Attosecond Science
... relative to the axis of an oxygen molecule. A two- or threedimensional imaging detector like that illustrated in figure 2c can directly measure the transverse component of the electron wavepacket. As long as the electron does not recollide, nothing stands between it and the detector. If initiated by ...
... relative to the axis of an oxygen molecule. A two- or threedimensional imaging detector like that illustrated in figure 2c can directly measure the transverse component of the electron wavepacket. As long as the electron does not recollide, nothing stands between it and the detector. If initiated by ...