Lecture 22 - LSU Physics
... The reflected pulse is DOWN if the speed of propagation in the right is slower than on the left. (High impedance.) The extreme case of ZERO speed on the right corresponds to a rope anchored to a wall. (Highest impedance.) If we have a wave instead of a pulse “DOWN” means 180 degrees OUT of phase, an ...
... The reflected pulse is DOWN if the speed of propagation in the right is slower than on the left. (High impedance.) The extreme case of ZERO speed on the right corresponds to a rope anchored to a wall. (Highest impedance.) If we have a wave instead of a pulse “DOWN” means 180 degrees OUT of phase, an ...
Light Hits Near Infinite Speed in Silver-Coated Glass
... glass. It is the first with a refractive index below 0.1, which means that light passes through it at almost infinite speed, says Albert Polman at the FOM Institute AMOLF in Amsterdam, the Netherlands. But the speed of light has not, technically, been broken. The wave is moving quickly, but its "gro ...
... glass. It is the first with a refractive index below 0.1, which means that light passes through it at almost infinite speed, says Albert Polman at the FOM Institute AMOLF in Amsterdam, the Netherlands. But the speed of light has not, technically, been broken. The wave is moving quickly, but its "gro ...
09Optics
... – Redder light is spaced more widely than blue light. – White light: bright white at central max (m=0) • THEN DISPERSION; SPECTROSCOPIC APPLICATIONS ...
... – Redder light is spaced more widely than blue light. – White light: bright white at central max (m=0) • THEN DISPERSION; SPECTROSCOPIC APPLICATIONS ...
Lenses form images by refracting light.
... and refracts light only slightly. Denser materials, such as water and glass, refract light more. By measuring the speed of light in different materials and comparing this speed to the speed of light in a vacuum, scientists have been able to determine exactly how different materials refract light. Th ...
... and refracts light only slightly. Denser materials, such as water and glass, refract light more. By measuring the speed of light in different materials and comparing this speed to the speed of light in a vacuum, scientists have been able to determine exactly how different materials refract light. Th ...
Atmosphere
... Rotation of the earth causes surface winds in the Northern Hemisphere to deflect to the right and those in the Southern Hemisphere to the left. This motion is called the Coriolis effect. ...
... Rotation of the earth causes surface winds in the Northern Hemisphere to deflect to the right and those in the Southern Hemisphere to the left. This motion is called the Coriolis effect. ...
![13.1_Lens_Forming_Images_-_PPT[1]](http://s1.studyres.com/store/data/008538239_1-d1798f6d27c8a2d8c0931d41a70fff89-300x300.png)
Refraction
... with a lower index of refraction, it’s possible to have total internal reflection. • At the critical angle, the refracted ray moves parallel to the boundary. On one side of that critical angle, all light will be entirely reflected back into the higher-index medium. ...
... with a lower index of refraction, it’s possible to have total internal reflection. • At the critical angle, the refracted ray moves parallel to the boundary. On one side of that critical angle, all light will be entirely reflected back into the higher-index medium. ...
Microscopy
... • The medium between the objective and the object is a factor that must be taken into consideration for the most effective use of the microscope lens. • The low power objective 4x, 10x, and high dry objective 40x use air. • When oil immersion lenses are employed, a drop of oil should be used, other ...
... • The medium between the objective and the object is a factor that must be taken into consideration for the most effective use of the microscope lens. • The low power objective 4x, 10x, and high dry objective 40x use air. • When oil immersion lenses are employed, a drop of oil should be used, other ...
Lecture 33 : Chiral molecules and Optical Activity
... the linear birefringence. In a case when sample is composed of chiral molecules, we can anticipate that the refractive indices for right and left circularly polarized light need not be same. We denote the difference between these two refractive indices as the circular birefringence of chiral molecul ...
... the linear birefringence. In a case when sample is composed of chiral molecules, we can anticipate that the refractive indices for right and left circularly polarized light need not be same. We denote the difference between these two refractive indices as the circular birefringence of chiral molecul ...
J. Spigulis. Side-emitting optical fibers brighten our world in new
... illuminated logo pictured on p. 39 from the annual Photonics West symposium in San Jose, Calif. In this case, copper vapor laser input was used. Silica-core glowing fibers have also been used to create scenic effects for musical or theatrical performances, such as those seen above and to the right, wh ...
... illuminated logo pictured on p. 39 from the annual Photonics West symposium in San Jose, Calif. In this case, copper vapor laser input was used. Silica-core glowing fibers have also been used to create scenic effects for musical or theatrical performances, such as those seen above and to the right, wh ...
Crystal Optics with Intense Light Sources Exercise sheet #4
... rotation angle of the polarization? How do they affect circularly polarized light? (2) (e) Get information on zero and higher order waveplates. What is their difference? (1) (f) What is the difference between dichroism and pleochroism? (1) (g) Find out the design of achromatic wave plates and sketch ...
... rotation angle of the polarization? How do they affect circularly polarized light? (2) (e) Get information on zero and higher order waveplates. What is their difference? (1) (f) What is the difference between dichroism and pleochroism? (1) (g) Find out the design of achromatic wave plates and sketch ...
optical fiber communication - GTU e
... axis and the cladding. This causes light rays to bend smoothly as they approach the cladding, rather than reflecting abruptly from the core- ...
... axis and the cladding. This causes light rays to bend smoothly as they approach the cladding, rather than reflecting abruptly from the core- ...
Atmospheric optics
Atmospheric optics deals with how the unique optical properties of the Earth's atmosphere cause a wide range of spectacular optical phenomena. The blue color of the sky is a direct result of Rayleigh scattering which redirects higher frequency (blue) sunlight back into the field of view of the observer. Because blue light is scattered more easily than red light, the sun takes on a reddish hue when it is observed through a thick atmosphere, as during a sunrise or sunset. Additional particulate matter in the sky can scatter different colors at different angles creating colorful glowing skies at dusk and dawn. Scattering off of ice crystals and other particles in the atmosphere are responsible for halos, afterglows, coronas, rays of sunlight, and sun dogs. The variation in these kinds of phenomena is due to different particle sizes and geometries.Mirages are optical phenomena in which light rays are bent due to thermal variations in the refraction index of air, producing displaced or heavily distorted images of distant objects. Other optical phenomena associated with this include the Novaya Zemlya effect where the sun appears to rise earlier or set later than predicted with a distorted shape. A spectacular form of refraction occurs with a temperature inversion called the Fata Morgana where objects on the horizon or even beyond the horizon, such as islands, cliffs, ships or icebergs, appear elongated and elevated, like ""fairy tale castles"".Rainbows are the result of a combination of internal reflection and dispersive refraction of light in raindrops. Because rainbows are seen on the opposite side of the sky as the sun, rainbows are more prominent the closer the sun is to the horizon due to their greater distance apart.