Thermal Lensing in a Nd:YAG Laser Rod
... having curved mirrors. It is well known from resonator ...
... having curved mirrors. It is well known from resonator ...
R.J.Kasumova, Second harmonic generation in
... plate from a material with negative refractive index n 1 has to function as a lens with the unique properties. Most of us are acquainted with the lenses from the materials with positive refraction in cameras, magnifying glasses, microscopes and telescopes. They have focus distance and place, wh ...
... plate from a material with negative refractive index n 1 has to function as a lens with the unique properties. Most of us are acquainted with the lenses from the materials with positive refraction in cameras, magnifying glasses, microscopes and telescopes. They have focus distance and place, wh ...
materials Volume Holograms in Photopolymers: Comparison between Analytical and Rigorous Theories
... Photopolymers are useful for different applications due to the refractive index variations and relief profiles generated [1–8]. There are many types of photopolymers that may be differentiated by the type of binder, since this component determines to a great extent the choice of monomer, dye and ini ...
... Photopolymers are useful for different applications due to the refractive index variations and relief profiles generated [1–8]. There are many types of photopolymers that may be differentiated by the type of binder, since this component determines to a great extent the choice of monomer, dye and ini ...
Demonstrating a Negative index of Refraction
... wave in radians. k is the wave vector, defined as k= ...
... wave in radians. k is the wave vector, defined as k= ...
1.1 Objectives
... investigated since laser invention [1]. This kind of nonlinear propagation of a wave in a transparent medium particularly depends on the transversal intensity profile and power of the laser beam. Self-focusing is self-induced (Kerr) lens effect. In the case of long pulses or continuous wave laser ra ...
... investigated since laser invention [1]. This kind of nonlinear propagation of a wave in a transparent medium particularly depends on the transversal intensity profile and power of the laser beam. Self-focusing is self-induced (Kerr) lens effect. In the case of long pulses or continuous wave laser ra ...
Tuneability of amplified spontaneous emission through control of the waveguide-mode... in conjugated polymer films
... spin speed between 1500 and 6000 rpm. The thickness of the films was measured using a surface profilometer. For the line-narrowing experiments the films were transferred immediately after spinning to a vacuum chamber. The excitation source was the second harmonic 共532 nm兲 of a Q-switched Nd:yttrium ...
... spin speed between 1500 and 6000 rpm. The thickness of the films was measured using a surface profilometer. For the line-narrowing experiments the films were transferred immediately after spinning to a vacuum chamber. The excitation source was the second harmonic 共532 nm兲 of a Q-switched Nd:yttrium ...
Applications(2)
... deep ultraviolet, but geometric factors bring it close to the visible. • In doped semiconductors, the plasma frequency is usually in the infrared. • The plasmon energy for most metals corresponds to that of an ultraviolet photon. However, as mentioned above for some metals like silver, gold, the alk ...
... deep ultraviolet, but geometric factors bring it close to the visible. • In doped semiconductors, the plasma frequency is usually in the infrared. • The plasmon energy for most metals corresponds to that of an ultraviolet photon. However, as mentioned above for some metals like silver, gold, the alk ...
N14_Interf_Diffrac
... refraction for any transparent material varies as a function of wavelength, as shown in this graph. As you can see, the behavior is material-dependent, but the trend is that n decreases as increases. This means that, since v = c/n, red light travels slightly faster than blue light in these materia ...
... refraction for any transparent material varies as a function of wavelength, as shown in this graph. As you can see, the behavior is material-dependent, but the trend is that n decreases as increases. This means that, since v = c/n, red light travels slightly faster than blue light in these materia ...
Presentation - Copernicus.org
... Calculation of final PC index values (QDC calculations needed): • Calculate QDC and correct all magnetic variation samples. • Project all samples to optimum direction using φ. • Divide QDC-corrected, projected magnetic variation samples by α. (β=0) Calculation of coefficients for temporary PC index ...
... Calculation of final PC index values (QDC calculations needed): • Calculate QDC and correct all magnetic variation samples. • Project all samples to optimum direction using φ. • Divide QDC-corrected, projected magnetic variation samples by α. (β=0) Calculation of coefficients for temporary PC index ...
Preface - Beck-Shop
... The process of relating measured optical phenomena to the electronic and vibrational properties of the material under study can proceed in two ways. We can work forwards from known electronic or vibrational physics to predict the results of optical experiments, or we can work backwards from experime ...
... The process of relating measured optical phenomena to the electronic and vibrational properties of the material under study can proceed in two ways. We can work forwards from known electronic or vibrational physics to predict the results of optical experiments, or we can work backwards from experime ...
Mimicking the colourful wing scale structure of the
... Figure 3 | An artificial optical mimic. a, b, SEM images of concavities which are covered by a conformal multilayer stack of 11 alternating layers of titania and alumina: a top view, 2 µm, b cross-section, 1 µm. c, At perpendicular light incidence the artificial replica appears green, while it, d, r ...
... Figure 3 | An artificial optical mimic. a, b, SEM images of concavities which are covered by a conformal multilayer stack of 11 alternating layers of titania and alumina: a top view, 2 µm, b cross-section, 1 µm. c, At perpendicular light incidence the artificial replica appears green, while it, d, r ...
Chapter 24 Lecture Notes
... Two waves of light are from a coherent source if the phase relationship between the waves does not change. That is the two light rays always have their peaks and valleys in the same phase relative to each other. If the relative phases stays the same as time passes, then the constructive or destructi ...
... Two waves of light are from a coherent source if the phase relationship between the waves does not change. That is the two light rays always have their peaks and valleys in the same phase relative to each other. If the relative phases stays the same as time passes, then the constructive or destructi ...
Chapter 33 - KFUPM Faculty List
... a) Values of n are always greater than or equal to one. b) The speed of light in gases is only slightly less than that in a vacuum. c) The index of refraction tends to be larger for solids than for gases. d) Values of n for solids and liquids indicate that the speed of light in these substances is g ...
... a) Values of n are always greater than or equal to one. b) The speed of light in gases is only slightly less than that in a vacuum. c) The index of refraction tends to be larger for solids than for gases. d) Values of n for solids and liquids indicate that the speed of light in these substances is g ...
Chapter 24
... • If the incident radiation contains several wavelengths, each wavelength deviates through a specific angle ...
... • If the incident radiation contains several wavelengths, each wavelength deviates through a specific angle ...
EFFECT OF TEMPERATURE ON THE REFRACTIVE INDICES AND
... spectrophotometer. The reference channel includes the same optical components, less the liquid crystal. The measurements were recorded for different temperatures. The refractive indices as function of temperature were measured with an Abbe refractometer (λ=589nm), using polarized light. The refracto ...
... spectrophotometer. The reference channel includes the same optical components, less the liquid crystal. The measurements were recorded for different temperatures. The refractive indices as function of temperature were measured with an Abbe refractometer (λ=589nm), using polarized light. The refracto ...
Frequency-Dependent Optical Constants of Water Ice Obtained
... relative k values across the entire frequency range of measurement. An important difference from the thin film case is that the aerosols are unsupported. As a result, reflection losses only occur at the windows, and since these are not changed by the presence of the aerosol, they are completely acco ...
... relative k values across the entire frequency range of measurement. An important difference from the thin film case is that the aerosols are unsupported. As a result, reflection losses only occur at the windows, and since these are not changed by the presence of the aerosol, they are completely acco ...