Generation of radially and azimuthally polarized light by optical
... tungsten halogen white light source, and the transmitted light is collected by using a 40 × objective (NA = 0.6) on an inverted optical microscope. Although the subwavelength radial periods of the nanoslits exclude the grating effects, the transmitted light beam is slightly divergent due to the Frau ...
... tungsten halogen white light source, and the transmitted light is collected by using a 40 × objective (NA = 0.6) on an inverted optical microscope. Although the subwavelength radial periods of the nanoslits exclude the grating effects, the transmitted light beam is slightly divergent due to the Frau ...
Optical coupling devices
... by mounting them in V shaped grooves etched in silicon with light transmitted along optical ?bres. ‘ blocks or by other known accurate mounting means. ...
... by mounting them in V shaped grooves etched in silicon with light transmitted along optical ?bres. ‘ blocks or by other known accurate mounting means. ...
Scope Definitions
... recoil. (I heard this called "The Mark of the Magnum" on Field of View n. The width (usually in feet) of viewed area at a given distance, usually 100 yards. Field of view decreases with magnification, and increases with viewing distance and lens size. This is why astronomical telescopes have small " ...
... recoil. (I heard this called "The Mark of the Magnum" on Field of View n. The width (usually in feet) of viewed area at a given distance, usually 100 yards. Field of view decreases with magnification, and increases with viewing distance and lens size. This is why astronomical telescopes have small " ...
Graded-index fibers (GRA)
... This chapter describes the wave propagation in graded-index fibers. In particular, the number of propagable waves and the optimal shape of the refractive index profile will be discussed. The single-mode step-index fiber has a high bandwidth (essentially limited only by the waveguide dispersion and m ...
... This chapter describes the wave propagation in graded-index fibers. In particular, the number of propagable waves and the optimal shape of the refractive index profile will be discussed. The single-mode step-index fiber has a high bandwidth (essentially limited only by the waveguide dispersion and m ...
three-dimensional solutions in media with spatial dependence of
... Recently, experimental evidence of 2D spatial solitons has been reported in [22], [24] using various physical mechanisms of the optical nonlinearity. One of these mechanisms is a diffusion [22] along z (or x,y). The diffusion effects may be due to the optically excited charge carriers, which become ...
... Recently, experimental evidence of 2D spatial solitons has been reported in [22], [24] using various physical mechanisms of the optical nonlinearity. One of these mechanisms is a diffusion [22] along z (or x,y). The diffusion effects may be due to the optically excited charge carriers, which become ...
Tandem-Phase-Modulator-Based Optical Isolator in Silicon
... dB higher than the forward direction. This loss is due to residual amplitude modulation due to free-carrier absorption that accompanies the phase modulation, which also limits the achievable isolation. We then launched amplified spontaneous emission from an Er-doped fiber amplifier into the device. ...
... dB higher than the forward direction. This loss is due to residual amplitude modulation due to free-carrier absorption that accompanies the phase modulation, which also limits the achievable isolation. We then launched amplified spontaneous emission from an Er-doped fiber amplifier into the device. ...
BEST OF - Edmund Optics
... The transmission properties of a coating are dependent upon the wavelength of light being used, the substrate’s index of refraction, the index of refraction of the coating, the thickness of the coating, and the angle of the incident light. The coating is designed so that the relative phase shift bet ...
... The transmission properties of a coating are dependent upon the wavelength of light being used, the substrate’s index of refraction, the index of refraction of the coating, the thickness of the coating, and the angle of the incident light. The coating is designed so that the relative phase shift bet ...
Application scenarios for optical OFDM
... should be sufficient for both metro and regional applications (up to ~800km). This would significantly reduce transponder costs while still offering a large tolerance with respect to chromatic dispersion and PMD. 3. Optical agile networks Because of the well defined spectrum of optical OFDM, continu ...
... should be sufficient for both metro and regional applications (up to ~800km). This would significantly reduce transponder costs while still offering a large tolerance with respect to chromatic dispersion and PMD. 3. Optical agile networks Because of the well defined spectrum of optical OFDM, continu ...
of optical-fiber dispersion
... zero-order nulled phase mask4 (see Fig. 1, bottom). The second exposure patterns a uniform (spatially periodic) refractive-index Bragg grating into the core of the waveguide. Although the grating is spatially periodic, its effective optical pitch is chirped because of the photoinduced index change p ...
... zero-order nulled phase mask4 (see Fig. 1, bottom). The second exposure patterns a uniform (spatially periodic) refractive-index Bragg grating into the core of the waveguide. Although the grating is spatially periodic, its effective optical pitch is chirped because of the photoinduced index change p ...
self-study - Technion moodle
... The signal to be amplified and a pump laser are multiplexed into the doped fibre, and the signal is amplified through interaction with the doping ions. The most common example is the Erbium Doped Fiber Amplifier (EDFA), where the core of a silica fiber is doped with trivalent Erbium ions and can be ...
... The signal to be amplified and a pump laser are multiplexed into the doped fibre, and the signal is amplified through interaction with the doping ions. The most common example is the Erbium Doped Fiber Amplifier (EDFA), where the core of a silica fiber is doped with trivalent Erbium ions and can be ...
Two-state Optical Filter Based on Micromechanical
... The two-state CDOE can be viewed as grating light valves operated in a high (m > 1) diffraction order. Reducing the light intensity at one wavelength will increase the intensity at the neighboring wavelengths (side-bands). The principle is shown in Figure 1 with four sub-elements, and diffraction or ...
... The two-state CDOE can be viewed as grating light valves operated in a high (m > 1) diffraction order. Reducing the light intensity at one wavelength will increase the intensity at the neighboring wavelengths (side-bands). The principle is shown in Figure 1 with four sub-elements, and diffraction or ...
Line Degeneracy and Strong Spin-Orbit Coupling of Light with Bulk
... φ ¼ arctanðγ=ηεxx Þ, which is 12.94° for the parameters of the metamaterial investigated here. In the simulation, when the incident beam is circularly polarized, it is primarily refracted into a single direction, as shown in Fig. 3(b). Reversing the circular polarization of the incident beam leads t ...
... φ ¼ arctanðγ=ηεxx Þ, which is 12.94° for the parameters of the metamaterial investigated here. In the simulation, when the incident beam is circularly polarized, it is primarily refracted into a single direction, as shown in Fig. 3(b). Reversing the circular polarization of the incident beam leads t ...
Photoacoustic microscopy with 2
... As an emerging high-resolution imaging modality, photoacoustic microscopy 共PAM兲 images optically absorbing microstructures by detecting transient acoustic waves generated from laser-induced thermal-elastic expansion.1 Current mainstream high-resolution optical imaging techniques mainly include confo ...
... As an emerging high-resolution imaging modality, photoacoustic microscopy 共PAM兲 images optically absorbing microstructures by detecting transient acoustic waves generated from laser-induced thermal-elastic expansion.1 Current mainstream high-resolution optical imaging techniques mainly include confo ...
1872cm 9072cm 666 cm
... centimeters respectively. To the nearest cubic centimeter, find the volume of the larger prism if the volume of the smaller prism is 1264 cubic centimeters. Round to the nearest ...
... centimeters respectively. To the nearest cubic centimeter, find the volume of the larger prism if the volume of the smaller prism is 1264 cubic centimeters. Round to the nearest ...
Noise-equivalent sensitivity of photoacoustics
... light intensity. So in the sense of energy conversion, the photoacoustic effect is nonlinear. Pushing the sensitivity of photoacoustics then logically requires the use of high optical intensity; however, as in any optical excitation technique, photoacoustic generation exhibits nonlinearity in anothe ...
... light intensity. So in the sense of energy conversion, the photoacoustic effect is nonlinear. Pushing the sensitivity of photoacoustics then logically requires the use of high optical intensity; however, as in any optical excitation technique, photoacoustic generation exhibits nonlinearity in anothe ...
Microscopes:
... Phase –contrast. Several different forms of phase-contrast are available. Conventional phase is advantageous for looking at live semen, as well as semen “fixed” in an appropriate liquid fixative (e.g. Formal-saline or PBS-Gluteraldehyde). The additional contrast provided by phase means that differen ...
... Phase –contrast. Several different forms of phase-contrast are available. Conventional phase is advantageous for looking at live semen, as well as semen “fixed” in an appropriate liquid fixative (e.g. Formal-saline or PBS-Gluteraldehyde). The additional contrast provided by phase means that differen ...
On the path to Bose-Einstein condensate
... in a wide distribution and to stay in resonance with them as they are cooled. This concept was put into practice in 1985 by W. Ertmer, R. Blatt, J. Hall and M. Zhu. In this cooling method the frequency of the light must be swept over a range of more that 1 GHz in a few milliseconds. This is usually ...
... in a wide distribution and to stay in resonance with them as they are cooled. This concept was put into practice in 1985 by W. Ertmer, R. Blatt, J. Hall and M. Zhu. In this cooling method the frequency of the light must be swept over a range of more that 1 GHz in a few milliseconds. This is usually ...
Optical Fibers and Waveguides
... co (1 − (λo /4n1 d) ) 2 This effect is called group delay. For example, if L = 1km, n1 = 1.5, and d/λo = 5 then ∆τ = 2.78ns. Clearly, communication rates in excess of about 200MHz would be impossible in this case. As the number of modes increases, the bandwidth of the system decreases further. ...
... co (1 − (λo /4n1 d) ) 2 This effect is called group delay. For example, if L = 1km, n1 = 1.5, and d/λo = 5 then ∆τ = 2.78ns. Clearly, communication rates in excess of about 200MHz would be impossible in this case. As the number of modes increases, the bandwidth of the system decreases further. ...
A Reliable Method For Extraction Of Material Parameters In
... some quite long and tedious calculations, that obeys the following relation with ...
... some quite long and tedious calculations, that obeys the following relation with ...