Prof. Lan Yang - Microlasers for Nanoscale
... Optical sensors based on Whispering-Gallery-Mode (WGM) resonators have emerged as front-runners for label-free, ultra-sensitive detection of nanoscale materials and structures due to their superior capability to significantly enhance the interactions of light with the sensing targets. A WGM resonato ...
... Optical sensors based on Whispering-Gallery-Mode (WGM) resonators have emerged as front-runners for label-free, ultra-sensitive detection of nanoscale materials and structures due to their superior capability to significantly enhance the interactions of light with the sensing targets. A WGM resonato ...
4.Bending Light PhET
... Google the phrase, “Bending Light PhET” and click on the first link. Click the “Download Now!” button. In the last unit, you learned that reflection occurs when light bounces off of a surface. Refraction occurs when light changes direction (bends) when entering a new medium. The laser is pointing to ...
... Google the phrase, “Bending Light PhET” and click on the first link. Click the “Download Now!” button. In the last unit, you learned that reflection occurs when light bounces off of a surface. Refraction occurs when light changes direction (bends) when entering a new medium. The laser is pointing to ...
Chapter1 Fundamental law of geometrical optics 第一章 几何光学的
... ﹡ The fine structure and distribution of light with an image are determined by wave method . ﹡The study of ray phenomenon is known as geometrical optics. The study of light wave is known as physical optics. Ⅲ. Real and Visual images ﹡Real image :formed outside the system, and can be allowed to fall ...
... ﹡ The fine structure and distribution of light with an image are determined by wave method . ﹡The study of ray phenomenon is known as geometrical optics. The study of light wave is known as physical optics. Ⅲ. Real and Visual images ﹡Real image :formed outside the system, and can be allowed to fall ...
Lens Characteristics
... lamp, therefore achieving greater sunlight readability. Eliminating reflections and increasing the contrast ratio play the major part in achieving better sunlight readability. The specially designed filters used in Oxley indicator lamps attenuate the ambient light reflected off the lens. Any reflect ...
... lamp, therefore achieving greater sunlight readability. Eliminating reflections and increasing the contrast ratio play the major part in achieving better sunlight readability. The specially designed filters used in Oxley indicator lamps attenuate the ambient light reflected off the lens. Any reflect ...
NATIONAL UNIVERSITY OF SINGAPORE DEPARTMENT OF PHYSICS ADVANCED PLACEMENT TEST (SAMPLE)
... between these two reflections so that the reflected intensity is minimised. The bump and track surface are covered by a millimetre-thick polycarbonate layer with a refractive index n of 1.8, through which the laser passes before reflection. laser spot bump ...
... between these two reflections so that the reflected intensity is minimised. The bump and track surface are covered by a millimetre-thick polycarbonate layer with a refractive index n of 1.8, through which the laser passes before reflection. laser spot bump ...
Geometric optics
... Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f.[1] High optical power corre ...
... Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f.[1] High optical power corre ...
of Refraction 2.0
... passes through the cell twice, the optical path length is 2nL. The air will be removed from this cell, changing the refractive index, n. The other beam passes through the same length of air, but with no cell in that beam, the pressure will remain constant. If the refractive index changes by Δn, the ...
... passes through the cell twice, the optical path length is 2nL. The air will be removed from this cell, changing the refractive index, n. The other beam passes through the same length of air, but with no cell in that beam, the pressure will remain constant. If the refractive index changes by Δn, the ...
Beam Splitters A beam splitter is a device that`s used to divide an
... now standard practice to coat the mirrors of large telescopes, such as the 200-inch Hale reflecting instrument at Mt. Palomar, with evaporated aluminum. For reflecting surfaces where the small advantage of silver over aluminum is important, as in Fabry-Perot etalons, silver is preferred. For use wit ...
... now standard practice to coat the mirrors of large telescopes, such as the 200-inch Hale reflecting instrument at Mt. Palomar, with evaporated aluminum. For reflecting surfaces where the small advantage of silver over aluminum is important, as in Fabry-Perot etalons, silver is preferred. For use wit ...
Hybrid Dielectric/Surface Plasmon Polariton Waveguide P. David Flammer
... waveguide that can be used in either a single mode, single polarization waveguide, or in a multi-mode. When used as a single mode, the devise allows for control of propagation and confinement. Gratings may be used for coupling light into and out of the modes or for use as mirrors in the mode. When u ...
... waveguide that can be used in either a single mode, single polarization waveguide, or in a multi-mode. When used as a single mode, the devise allows for control of propagation and confinement. Gratings may be used for coupling light into and out of the modes or for use as mirrors in the mode. When u ...
The Michelson Interferometer and Its Applications
... constructive interference is observed at the viewing screen as the crests of the two beams overlap, and a bright spot or ring is seen as the viewing screen. ...
... constructive interference is observed at the viewing screen as the crests of the two beams overlap, and a bright spot or ring is seen as the viewing screen. ...
introduction - 123seminarsonly.com
... transferred to packets of electrons, called plasmons, on a metal’s surface. Energy transfer occurs only at a specific resonance wavelength of light. That is, the wavelength where the quantum energy carried by the photons exactly equals the quantum energy level of the plasmons. ...
... transferred to packets of electrons, called plasmons, on a metal’s surface. Energy transfer occurs only at a specific resonance wavelength of light. That is, the wavelength where the quantum energy carried by the photons exactly equals the quantum energy level of the plasmons. ...
Interference3
... So bright and dark fringes of different orders will be observed at different thickness of the film. ...
... So bright and dark fringes of different orders will be observed at different thickness of the film. ...
Interference
... Add any additional phase shifts produced by reflections. If the phase shift is: – 0.5, 1.5, 2.5, …. “n.5” then destructive interference will result – 0,1,2,3,… n then constructive interference will result ...
... Add any additional phase shifts produced by reflections. If the phase shift is: – 0.5, 1.5, 2.5, …. “n.5” then destructive interference will result – 0,1,2,3,… n then constructive interference will result ...
Surface profile measurement of aspheric optics using
... probe has been increased to 0.53 by inserting a single aspheric element at the end of the probe which acts as the probe objective. The objective is illuminated by a doublet placed after the bare fibre to obtain a collimated light. This extends the surface gradient limitation to ± 32 from the origin ...
... probe has been increased to 0.53 by inserting a single aspheric element at the end of the probe which acts as the probe objective. The objective is illuminated by a doublet placed after the bare fibre to obtain a collimated light. This extends the surface gradient limitation to ± 32 from the origin ...
Lab Writeup Michelson(New)
... The Michelson interferometer produces interference between two light beams coming from a common source. Because of its geometry, interference fringes can be obtained with a source which is extended in size (e.g. an illuminated ground-glass plate), instead of the point or slit source normally requir ...
... The Michelson interferometer produces interference between two light beams coming from a common source. Because of its geometry, interference fringes can be obtained with a source which is extended in size (e.g. an illuminated ground-glass plate), instead of the point or slit source normally requir ...
PHYS 1111 Mechanics, Waves, & Thermodynamics
... Dispersion and Prisms For a given material (and nearly all materials), the index of fraction is a function of the wavelength of the incident light, n=n() This implies that the speed of light inside the medium depends on The dependence of wave speed v and n on is called dispersion Since n=n(), ...
... Dispersion and Prisms For a given material (and nearly all materials), the index of fraction is a function of the wavelength of the incident light, n=n() This implies that the speed of light inside the medium depends on The dependence of wave speed v and n on is called dispersion Since n=n(), ...
10.2 Diffraction Notes
... light, such as a laser so that the light goes through a single slit, the light is diffracted. • The diffraction from the light will cause a pattern of constructive and destructive interference which will be seen as dark and light bands. ...
... light, such as a laser so that the light goes through a single slit, the light is diffracted. • The diffraction from the light will cause a pattern of constructive and destructive interference which will be seen as dark and light bands. ...
II. Optical properties of glass
... Optically transparent materials focus on the response of a material to incoming light waves of a range of the wavelengths. Often selective optical filters can be utilized to alter or enhance the brightness and contrast of digital images. Guided light wave transmission via frequency selective wavegui ...
... Optically transparent materials focus on the response of a material to incoming light waves of a range of the wavelengths. Often selective optical filters can be utilized to alter or enhance the brightness and contrast of digital images. Guided light wave transmission via frequency selective wavegui ...
Shear-Plate Collimation Testers Ask About Our Build-to-Print and Custom Capabilities O E M
... mounted in a black aluminum cube complete with a high-visibility viewing screen and a collimation reference line. To collimate an expanded laser beam, the tester is inserted in the beam and the collimator is adjusted until the fringes observed on the screen are parallel to the reference line. All CV ...
... mounted in a black aluminum cube complete with a high-visibility viewing screen and a collimation reference line. To collimate an expanded laser beam, the tester is inserted in the beam and the collimator is adjusted until the fringes observed on the screen are parallel to the reference line. All CV ...
The pinhole camera
... The intersection of the extended entering parallel rays and the extended exiting convergent rays forms the Principal Surface (Plane in the paraxial approximation.) The extension of a ray which enters and exits the optical system with the same angle of propagation intersects the optical axis at the ...
... The intersection of the extended entering parallel rays and the extended exiting convergent rays forms the Principal Surface (Plane in the paraxial approximation.) The extension of a ray which enters and exits the optical system with the same angle of propagation intersects the optical axis at the ...
Huygens` and Fermat`s Principles – Application to reflection
... Geometric Optics As long as apertures are much larger than a wavelength of light (and thus wave fronts are much larger than λ) the light wave front propagates without distortion (or with a negligible amount) i.e. light travels in straight lines ...
... Geometric Optics As long as apertures are much larger than a wavelength of light (and thus wave fronts are much larger than λ) the light wave front propagates without distortion (or with a negligible amount) i.e. light travels in straight lines ...
Light+and+Sound.+RM1
... surface of an object. The normal is a line perpendicular to the surface at the point of reflection. The angle of incident is the angle formed by the incident ray and the normal. The angle of reflection is the angle formed by the reflection ray and the normal. ...
... surface of an object. The normal is a line perpendicular to the surface at the point of reflection. The angle of incident is the angle formed by the incident ray and the normal. The angle of reflection is the angle formed by the reflection ray and the normal. ...
LENSES and MIRRORS
... parallel to the optical axis pass through a convex lens, they are bent toward the center of the lens. Examples: Magnifying glass and corrective lenses for farsightedness. A concave lens is thinner in the center than on its edges. When light rays traveling parallel to the optical axis pass through a ...
... parallel to the optical axis pass through a convex lens, they are bent toward the center of the lens. Examples: Magnifying glass and corrective lenses for farsightedness. A concave lens is thinner in the center than on its edges. When light rays traveling parallel to the optical axis pass through a ...