Single-shot measurement of a 52 fs pulse
... To obtain reliable measurements uniform illumination on the crystal is essential. In our case the total2 power density incident on the crystal was -2 ,uJ/cm with a spot size of -3 cm. We tested the influence of the spatial beam profile on the measurement by introducing a varying delay into one arm o ...
... To obtain reliable measurements uniform illumination on the crystal is essential. In our case the total2 power density incident on the crystal was -2 ,uJ/cm with a spot size of -3 cm. We tested the influence of the spatial beam profile on the measurement by introducing a varying delay into one arm o ...
Non-reciprocal ultrafast laser writing
... We will refer to this phenomenon as the photothermal effect in non-centrosymmetric media, or the bulk photothermal effect, to highlight that the light-induced heat current can be excited even under homogeneous illumination and in a homogeneous noncentrosymmetric medium45. However, the developed phen ...
... We will refer to this phenomenon as the photothermal effect in non-centrosymmetric media, or the bulk photothermal effect, to highlight that the light-induced heat current can be excited even under homogeneous illumination and in a homogeneous noncentrosymmetric medium45. However, the developed phen ...
Second-Surface Silvered Glass Solar Mirrors of Very
... In this section we show how the performance of second-surface silvered reflectors for CPV may be improved by addition of thin film dielectric layers between the silver and the glass back surface. Dielectric layers have been designed and used to boost the performance of front-surface silvered mirrors ...
... In this section we show how the performance of second-surface silvered reflectors for CPV may be improved by addition of thin film dielectric layers between the silver and the glass back surface. Dielectric layers have been designed and used to boost the performance of front-surface silvered mirrors ...
... atmosphere turbulence. It gives quite good agreement with the experimental data [4]. The Andrews’s method takes into account the size of receiver optical lens DREC.Not long ago it was published other method. It is called Method of Available Power [5]. 1. Andrews’s Method This method is derived on th ...
Axial intensity of apertured Bessel beams
... first kind, J n .7 Their main feature is that they can transport radiation without any spread or divergence. For this reason, since their introduction Bessel beams have attracted the attention of many scientists, who have proposed a great number of applications.8–12 Since finite-aperture optical ele ...
... first kind, J n .7 Their main feature is that they can transport radiation without any spread or divergence. For this reason, since their introduction Bessel beams have attracted the attention of many scientists, who have proposed a great number of applications.8–12 Since finite-aperture optical ele ...
Vacuum-ultraviolet to infrared supercontinuum in hydrogen
... spectrum is measured with an evacuated scanning monochromator equipped with a scintillator and a photomultiplier tube (PMT); lower, the UV-NIR and DUV spectra are measured by directing the beam to either a UV-NIR or a DUV CCD-based spectrometer using a UV-enhanced optical fiber and a parabolic mirro ...
... spectrum is measured with an evacuated scanning monochromator equipped with a scintillator and a photomultiplier tube (PMT); lower, the UV-NIR and DUV spectra are measured by directing the beam to either a UV-NIR or a DUV CCD-based spectrometer using a UV-enhanced optical fiber and a parabolic mirro ...
Integrated polymer micro-ring resonators for optical sensing
... structure without PMATRIFE upper cladding layer which has been replaced by air or water superstrates for sensor applications. Nevertheless, we have used the same photolithography mask, the design of which is reminded hereafter. Then we have verified thanks to a coupling study that the gap range is s ...
... structure without PMATRIFE upper cladding layer which has been replaced by air or water superstrates for sensor applications. Nevertheless, we have used the same photolithography mask, the design of which is reminded hereafter. Then we have verified thanks to a coupling study that the gap range is s ...
Wigner Distribution in Optics
... In 1932 Wigner1 introduced a distribution function in mechanics that permitted a description of mechanical phenomena in a phase space. Such a Wigner distribution was introduced in optics by Dolin2 and Walther3, 4 in the sixties, to relate partial coherence to radiometry. A few years later, the Wigne ...
... In 1932 Wigner1 introduced a distribution function in mechanics that permitted a description of mechanical phenomena in a phase space. Such a Wigner distribution was introduced in optics by Dolin2 and Walther3, 4 in the sixties, to relate partial coherence to radiometry. A few years later, the Wigne ...
Time-division color electroholography using one
... in the time-division based color reconstruction λt becomes variable for a time due to the need to switch the RGB reference lights at certain intervals. The proposed color reconstruction is also capable of reconstructing from a CGH created by other CGH calculations, for example, polygon-based CGH cal ...
... in the time-division based color reconstruction λt becomes variable for a time due to the need to switch the RGB reference lights at certain intervals. The proposed color reconstruction is also capable of reconstructing from a CGH created by other CGH calculations, for example, polygon-based CGH cal ...
Quantum Optics and Photonics S. Ezekiel, S. Shahriar Plasma Physics
... direction as the frequency is tuned. As a result, the diode lasers is not locked beyond a certain tuning range. Since many experiments, particularly ours, require the ability to tune the difference frequency by a significant amount, this misalignment imposes severe constraints, requiring additional ...
... direction as the frequency is tuned. As a result, the diode lasers is not locked beyond a certain tuning range. Since many experiments, particularly ours, require the ability to tune the difference frequency by a significant amount, this misalignment imposes severe constraints, requiring additional ...
Selective inhibition of small-diameter axons using infrared light
... We first define some of the constants and variables we will be using. Assume the axon is a cylinder of fixed diameter b. Let ...
... We first define some of the constants and variables we will be using. Assume the axon is a cylinder of fixed diameter b. Let ...
![Interference [Hecht Ch. 9] Lai if necessary. 1](http://s1.studyres.com/store/data/008906620_1-e32cf5aa2b6001dad68c61a07bbf9975-300x300.png)
Chapter 30 The Law of Reflection
... light travels in a straight line. The wavelength of light is so small that in a relatively short distance away from the point source of light, the waves appear plane. Even if the source of light is not a point, when we are sufficiently far away from the source, the waves are effectively plane. In al ...
... light travels in a straight line. The wavelength of light is so small that in a relatively short distance away from the point source of light, the waves appear plane. Even if the source of light is not a point, when we are sufficiently far away from the source, the waves are effectively plane. In al ...
simulation methods to evaluate and optimize optical designs in
... EVALUATE AND OPTIMIZE OPTICAL DESIGNS IN ORDER TO IMPROVE THE PRESBYOPIA CORRECTION”, resume el trabajo de investigación realizado, por Dª Cari Pérez Vives y constituye su Tesis para optar al Grado de Doctor en Optometría y Ciencias de la Visión. ...
... EVALUATE AND OPTIMIZE OPTICAL DESIGNS IN ORDER TO IMPROVE THE PRESBYOPIA CORRECTION”, resume el trabajo de investigación realizado, por Dª Cari Pérez Vives y constituye su Tesis para optar al Grado de Doctor en Optometría y Ciencias de la Visión. ...
Sub-mm Wave Imaging and Waveguiding
... band of the electro-magnetic spectrum with frequencies spanning from 300 GHz to 30 THz, submm waves are non-ionizing and are capable of passing through a wide range of dielectric substances making them well suited for imaging purposes such as non-destructive materials evaluation (NDE). Because of th ...
... band of the electro-magnetic spectrum with frequencies spanning from 300 GHz to 30 THz, submm waves are non-ionizing and are capable of passing through a wide range of dielectric substances making them well suited for imaging purposes such as non-destructive materials evaluation (NDE). Because of th ...
~ ) Pergamon
... unit. The signal-to-noise ratio of the sampled analog signal is thus improved by reducing the sensitivity to changes in the ambient light level. The signal filtering electronic unit is tuned to the chopping frequency. The light is then collimated by a fixed 33 mm focal length quartz lens and polariz ...
... unit. The signal-to-noise ratio of the sampled analog signal is thus improved by reducing the sensitivity to changes in the ambient light level. The signal filtering electronic unit is tuned to the chopping frequency. The light is then collimated by a fixed 33 mm focal length quartz lens and polariz ...
Introduction to optical fibers
... light pulse can be transmitted without amplification for distance of the order of 80 – 140 km. The lack of intermodal dispersion does not mean that the pulse distortion disappear completely. Non-linear chromatic dispersion (which will be discussed in Chapter 3) as well as attenuation caused by dispe ...
... light pulse can be transmitted without amplification for distance of the order of 80 – 140 km. The lack of intermodal dispersion does not mean that the pulse distortion disappear completely. Non-linear chromatic dispersion (which will be discussed in Chapter 3) as well as attenuation caused by dispe ...
Paper
... With the realization of coherent, laserlike atoms in the form of Bose-Einstein condensates it has become possible to explore matter-wave amplification, a process in which the number of atoms in a quantum state is amplified due to bosonic stimulation. Stimulation has been observed in the formation of ...
... With the realization of coherent, laserlike atoms in the form of Bose-Einstein condensates it has become possible to explore matter-wave amplification, a process in which the number of atoms in a quantum state is amplified due to bosonic stimulation. Stimulation has been observed in the formation of ...
Numerical Analysis of Orbital Angular Momentum Based Next
... The simulation presented in this paper has been carried out in MATLAB to evaluate the performance of propagation with different OAM state. Bit Error Rate plots in our system to examine the errors introduced by the different blocks of the data transmission chain; the OAM encoder and multiplexing/de-m ...
... The simulation presented in this paper has been carried out in MATLAB to evaluate the performance of propagation with different OAM state. Bit Error Rate plots in our system to examine the errors introduced by the different blocks of the data transmission chain; the OAM encoder and multiplexing/de-m ...