Frequency Mode Locking in Erbium Doped Fiber Laser Dhyaa . F
... between two high-reflecting mirrors. In the case of fiber lasers, mirrors are often butt-coupled to the fiber ends to avoid diffraction losses [7]. In the Fabry–Perot laser cavity The light makes two passes through the gain medium per round-trip (RT). Laser system consists of a set of mirrors and a ...
... between two high-reflecting mirrors. In the case of fiber lasers, mirrors are often butt-coupled to the fiber ends to avoid diffraction losses [7]. In the Fabry–Perot laser cavity The light makes two passes through the gain medium per round-trip (RT). Laser system consists of a set of mirrors and a ...
Shifting the spherical focus of a 4Pi focusing system
... i.e., both are still fields with radial polarization. In fact, it can be verified that the modulation function has a constant modulus, suggesting that modulation does not change the intensity distribution of the input field. In Fig. 2(b), we present the phase of the input field l(θ). From the phase ...
... i.e., both are still fields with radial polarization. In fact, it can be verified that the modulation function has a constant modulus, suggesting that modulation does not change the intensity distribution of the input field. In Fig. 2(b), we present the phase of the input field l(θ). From the phase ...
Construction Of Multiple-beam Optical Traps
... Dielectric particles in a laser beam are subject to at least two distinct types of optical force: a scattering force, acting in the direction of propagation of the light on the particle, and a gradient force, due to the interaction of dipoles with the electric field gradient that exists in the laser ...
... Dielectric particles in a laser beam are subject to at least two distinct types of optical force: a scattering force, acting in the direction of propagation of the light on the particle, and a gradient force, due to the interaction of dipoles with the electric field gradient that exists in the laser ...
en_20160128_lzh_pm_hymnos_final
... coaxially flowing fluid pairs using wave-optical light propagation in fluid-dynamically and thermally superimposed refractive index distributions”, the beam guidance in flowing liquids will be simulated. The scientists in the Production and Systems Department want to predict light propagation in flu ...
... coaxially flowing fluid pairs using wave-optical light propagation in fluid-dynamically and thermally superimposed refractive index distributions”, the beam guidance in flowing liquids will be simulated. The scientists in the Production and Systems Department want to predict light propagation in flu ...
Rejection of two-photon fluorescence background in
... Because two-photon excited fluorescence (TPEF) is dominantly generated by ballistic (unscattered) light, TPEF microscopy maintains high resolution even within scattering media [1, 2, 3]. According to Beer’s law, the proportion of ballistic light arriving at the focus decays roughly exponentially wit ...
... Because two-photon excited fluorescence (TPEF) is dominantly generated by ballistic (unscattered) light, TPEF microscopy maintains high resolution even within scattering media [1, 2, 3]. According to Beer’s law, the proportion of ballistic light arriving at the focus decays roughly exponentially wit ...
Looking through walls and around corners with
... medium (in this example, a white paper). The SLM is used to correct the wavefront distortions of the diffused backscattered light. After performing the correction for a point-source, the reflecting medium is transformed into a ‘scattering mirror’, allowing imaging in real-time of objects placed in t ...
... medium (in this example, a white paper). The SLM is used to correct the wavefront distortions of the diffused backscattered light. After performing the correction for a point-source, the reflecting medium is transformed into a ‘scattering mirror’, allowing imaging in real-time of objects placed in t ...
Estimation of glucose diffusion coefficient in scleral tissue
... Recently a number of results on noninvasive in vivo monitoring of glucose concentration using near infrared (NIR) light scattering techniques in application to skin surface examination were reported 8-10 The main idea of such measurements is based on the dependence of tissue scattering properties on ...
... Recently a number of results on noninvasive in vivo monitoring of glucose concentration using near infrared (NIR) light scattering techniques in application to skin surface examination were reported 8-10 The main idea of such measurements is based on the dependence of tissue scattering properties on ...
Chapter 18 OPTICAL ELEMENTS - Doane College Physics Web
... of second medium. From this equation and from the conservation of energy, we can see that if the reflected energy approaches zero, the maximum energy is transmitted into the second medium. From Equation 18.3 we see that this condition is satisfied when the two indices of refraction are equal. Again ...
... of second medium. From this equation and from the conservation of energy, we can see that if the reflected energy approaches zero, the maximum energy is transmitted into the second medium. From Equation 18.3 we see that this condition is satisfied when the two indices of refraction are equal. Again ...
Superresolution size determination in fluorescence microscopy: A
... tion in the image data file. Distances between such objects down to about 15 nm have been measured with a precision 共95% confidence limit兲 as good as 10 nm using optically ‘‘conventional’’ fluorescence microscopes.19,24 In this article, results from a different far field light microscopical approach ...
... tion in the image data file. Distances between such objects down to about 15 nm have been measured with a precision 共95% confidence limit兲 as good as 10 nm using optically ‘‘conventional’’ fluorescence microscopes.19,24 In this article, results from a different far field light microscopical approach ...
Theory of relativistic optical harmonic generation
... of polarization, the saturation of the harmonic power can be understood from the perspective that even at very high intensities the electron excursion from its equilibrium position is limited to a distance of the order of the wavelength of the incident radiation. In the results given above, we have ...
... of polarization, the saturation of the harmonic power can be understood from the perspective that even at very high intensities the electron excursion from its equilibrium position is limited to a distance of the order of the wavelength of the incident radiation. In the results given above, we have ...
... modulators have been demonstrated, they require large device footprints of the order of millimeters as a result of weak non-linear electro-optical properties. The modulation strength can be increased by deploying a high-Q resonator, however with the trade-off of significantly sacrificing bandwidth. ...
Applications of scanning optical microscopy in materials science to
... 1320 nm. At this wavelength silicon is transparent (i.e. the imaginary part of the complex refractive index is zero) and the light scatters off the precipitates which are generally well under 1 mm in size. Mule’Stagno (1996) also correlated the signal scattered off these precipitates with the actual ...
... 1320 nm. At this wavelength silicon is transparent (i.e. the imaginary part of the complex refractive index is zero) and the light scatters off the precipitates which are generally well under 1 mm in size. Mule’Stagno (1996) also correlated the signal scattered off these precipitates with the actual ...
AGS1927 Technical Datasheet
... The multifluorescent beads can be used for the determination of the optical transfer function of a confocal setup. The multifluorescent beads are ideal spheres with a diameter given in Fig.2. A stack of confocal images through several beads has to be recorded. Then individual beads from this stack a ...
... The multifluorescent beads can be used for the determination of the optical transfer function of a confocal setup. The multifluorescent beads are ideal spheres with a diameter given in Fig.2. A stack of confocal images through several beads has to be recorded. Then individual beads from this stack a ...
Soliton pairs in a fiber laser: from anomalous to normal average
... similar to those of solitons, in a way that all the pulses may phase-lock to each other [6]. In the simplest case, which consists of two interacting pulses, it was shown that a soliton pair with a fixed separation and a relative phase around ±90° could form [5], as predicted theoretically in the fr ...
... similar to those of solitons, in a way that all the pulses may phase-lock to each other [6]. In the simplest case, which consists of two interacting pulses, it was shown that a soliton pair with a fixed separation and a relative phase around ±90° could form [5], as predicted theoretically in the fr ...
Observation of near-field correlations in spontaneous parametric
... physical origin of this structure can be understood as follows. The crystal acts as a longitudinally extended source of photon pairs. The phase-matching conditions determine the relative phase of photon pairs born at different planes within the pumped region. The final probability amplitude of detec ...
... physical origin of this structure can be understood as follows. The crystal acts as a longitudinally extended source of photon pairs. The phase-matching conditions determine the relative phase of photon pairs born at different planes within the pumped region. The final probability amplitude of detec ...
Molecular beam epitaxy of periodic BaF2 /PbEuSe layers on Si„111…
... of PbEuSe on BaF2. Figure 1~d! shows that the diffraction pattern remains streaky at the initial stage of the BaF2 growth. Note that as the BaF2 flux starts to impinge on the PbEuSe surface, there is a decrease in the diffraction streak intensity. It was also observed that after the BaF2 coverage in ...
... of PbEuSe on BaF2. Figure 1~d! shows that the diffraction pattern remains streaky at the initial stage of the BaF2 growth. Note that as the BaF2 flux starts to impinge on the PbEuSe surface, there is a decrease in the diffraction streak intensity. It was also observed that after the BaF2 coverage in ...