Fiber Optics
... with the shape of their cross-section (i.e PANDA, BOW TIE, or Elliptical). There are also several ways in which one can measure the beat length of a fiber. In this exercise, you will measure the beat length by observing the scattered light pattern coming out of the fiber. To perform this task in a r ...
... with the shape of their cross-section (i.e PANDA, BOW TIE, or Elliptical). There are also several ways in which one can measure the beat length of a fiber. In this exercise, you will measure the beat length by observing the scattered light pattern coming out of the fiber. To perform this task in a r ...
Lecture-10-Optics
... two beam case: I = 4I0cos2/2 with =k0(r1-r2). The difference is due to an added = due to reflection in the case of dielectric films which cause the cosine to become a sine. This is similar to the case for Lloyds mirror. Note also that multiple beam interference results in a redistribution of ...
... two beam case: I = 4I0cos2/2 with =k0(r1-r2). The difference is due to an added = due to reflection in the case of dielectric films which cause the cosine to become a sine. This is similar to the case for Lloyds mirror. Note also that multiple beam interference results in a redistribution of ...
Laser-based displays: a review - Optical Microsystems Laboratory
... lasers can vary with the junction temperature, which will in turn adversely affect the color balance of the display, if left uncontrolled. For a red laser diode, the deviations from the specified wavelength should be less than 0:5 nm, whereas power variations should be kept below 0.7%. Temperature s ...
... lasers can vary with the junction temperature, which will in turn adversely affect the color balance of the display, if left uncontrolled. For a red laser diode, the deviations from the specified wavelength should be less than 0:5 nm, whereas power variations should be kept below 0.7%. Temperature s ...
From Molecules to Cooper Pairs: Experiments in the BEC
... apparent when the gas is cooled to such low temperatures that the quantum mechanical wave packets of the particles begin to overlap. For bosons this marks the onset of BoseEinstein condensation (BEC). This phase transition into the superfluid condensate is characterized by a macroscopic occupation o ...
... apparent when the gas is cooled to such low temperatures that the quantum mechanical wave packets of the particles begin to overlap. For bosons this marks the onset of BoseEinstein condensation (BEC). This phase transition into the superfluid condensate is characterized by a macroscopic occupation o ...
Optical Fibers and Fiber-Optic Communications
... Kao1 who first suggested the possibility that low-loss optical fibers could be competitive with coaxial cable and metal waveguides for telecommunications applications. It was not, however, until 1970 when Corning Glass Works announced an optical fiber loss less than the benchmark level of 10 dB / km ...
... Kao1 who first suggested the possibility that low-loss optical fibers could be competitive with coaxial cable and metal waveguides for telecommunications applications. It was not, however, until 1970 when Corning Glass Works announced an optical fiber loss less than the benchmark level of 10 dB / km ...
Optical Fiber Sensors Guide
... suggested that the UV irradiation may induce rearrangement of the molecular structure, leading to a compaction of the glass matrix (referred to as the compaction model). Different schemes have been reported for externally writing gratings in optical fibers. They include the conventional two beam-int ...
... suggested that the UV irradiation may induce rearrangement of the molecular structure, leading to a compaction of the glass matrix (referred to as the compaction model). Different schemes have been reported for externally writing gratings in optical fibers. They include the conventional two beam-int ...
Symmetry breaking and strong coupling in planar optical
... access to different resonant modes, which cannot be excited with the symmetric configuration [2,3,6,16]. Such resonant modes have been termed variously as dark modes, subradiant modes or trapped modes [16]. This nomenclature suggests that dark modes do not readily radiate since they are trapped with ...
... access to different resonant modes, which cannot be excited with the symmetric configuration [2,3,6,16]. Such resonant modes have been termed variously as dark modes, subradiant modes or trapped modes [16]. This nomenclature suggests that dark modes do not readily radiate since they are trapped with ...
labs for the photon/photon2 experiment kit
... 1. Look through the grating at each of the light sources EXCEPT the laser. To see the spectrum, look through the grating to either side of the light source. Note that more than one complete spectrum pattern may be visible. Focus on one of these patterns and record how many colors are visible. Descri ...
... 1. Look through the grating at each of the light sources EXCEPT the laser. To see the spectrum, look through the grating to either side of the light source. Note that more than one complete spectrum pattern may be visible. Focus on one of these patterns and record how many colors are visible. Descri ...
Microsphere optical device
... direction of the microsphere. Residual nonsphericity removes the degeneracy in the mode of photon travel in the angular direction. Thus, the 2l+1 states Will adopt different energy levels When a microsphere is shaped With residual nonsphericity. This loss in degeneracy leads to a series of observabl ...
... direction of the microsphere. Residual nonsphericity removes the degeneracy in the mode of photon travel in the angular direction. Thus, the 2l+1 states Will adopt different energy levels When a microsphere is shaped With residual nonsphericity. This loss in degeneracy leads to a series of observabl ...
Astronomy Astrophysics IRAS 18357-0604 – an analogue of the galactic yellow hypergiant
... mass loss. In this paper we report on the discovery of a twin of IRC +10420 - IRAS 18357-0604. Methods. Optical and near-IR spectroscopy are used to investigate the physical properties of IRAS 18357-0604 and also provide an estimate of its systemic velocity, while near- to mid-IR photometry probes t ...
... mass loss. In this paper we report on the discovery of a twin of IRC +10420 - IRAS 18357-0604. Methods. Optical and near-IR spectroscopy are used to investigate the physical properties of IRAS 18357-0604 and also provide an estimate of its systemic velocity, while near- to mid-IR photometry probes t ...
Water in star-forming regions with Herschel (WISH): II. Evolution of
... With its much higher sensitivity and spatial resolution than any previous instrument capable of observing water, the Heterodyne Instrument for the Far-Infrared (HIFI; de Graauw et al. 2010) on Herschel makes it possible to detect water emission from both Class 0 and I sources. Because of the improve ...
... With its much higher sensitivity and spatial resolution than any previous instrument capable of observing water, the Heterodyne Instrument for the Far-Infrared (HIFI; de Graauw et al. 2010) on Herschel makes it possible to detect water emission from both Class 0 and I sources. Because of the improve ...
Observations of the Magnetic Fields Inside and Outside the
... Figure 1. Typical example of electrical transmission lines to transport electricity on Earth. Magnetic fields are shown following the usual right-handed screw system (right thumb towards direction of electric current I). Since the electric currents are mostly alternating, the senses of the assoicate ...
... Figure 1. Typical example of electrical transmission lines to transport electricity on Earth. Magnetic fields are shown following the usual right-handed screw system (right thumb towards direction of electric current I). Since the electric currents are mostly alternating, the senses of the assoicate ...