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Period 3 Activity Solutions: Electromagnetic Waves – Radiant Energy II
... the blue pen. a) Does the red pen leave an impression on the board? No Does the blue pen? Yes b) Explain the difference between the red and blue photons in terms of the quantum model of electromagnetic radiation. A photon of blue light has a shorter wavelength and more energy than a photon of red li ...
... the blue pen. a) Does the red pen leave an impression on the board? No Does the blue pen? Yes b) Explain the difference between the red and blue photons in terms of the quantum model of electromagnetic radiation. A photon of blue light has a shorter wavelength and more energy than a photon of red li ...
Light - Kelso High School
... •Refraction of light including identification of the normal, angle of incidence and angle of refraction. •Description of refraction in terms of change of wave speed. ...
... •Refraction of light including identification of the normal, angle of incidence and angle of refraction. •Description of refraction in terms of change of wave speed. ...
Optical Fibres
... The first bundle is used to shine light into the stomach. The second is used to see the inside of the stomach; a tiny lens over the bundle forms an image on the ends of the fibres, and the image can then be seen directly. ...
... The first bundle is used to shine light into the stomach. The second is used to see the inside of the stomach; a tiny lens over the bundle forms an image on the ends of the fibres, and the image can then be seen directly. ...
Light Rays
... - Light was considered to be a stream of particles. - Newton held that particles were emitted from a light source &they stimulated the sight sense upon entering the eye. - Reflection and refraction can be explained. However, light Interference phenomenon could not be explained. The wave model of l ...
... - Light was considered to be a stream of particles. - Newton held that particles were emitted from a light source &they stimulated the sight sense upon entering the eye. - Reflection and refraction can be explained. However, light Interference phenomenon could not be explained. The wave model of l ...
Characterisation of the Tunable Laser Source
... Optical spectrum analysers (OSA) can divide a lightwave signal into its constituent wavelengths. This means that it is possible to see the spectral profile of the signal over a certain wavelength range. The profile is graphically displayed, with wavelength on the horizontal axis and power on the ver ...
... Optical spectrum analysers (OSA) can divide a lightwave signal into its constituent wavelengths. This means that it is possible to see the spectral profile of the signal over a certain wavelength range. The profile is graphically displayed, with wavelength on the horizontal axis and power on the ver ...
CavityRingDown_Acous..
... the aperture smaller so the beams don’t overlap, measure the rise time and peak diffraction efficiency (not diffracted power, but ratio of diffracted output to input) as a function focal spot size, varied inversely ¢ = ¸F=A by opening and closing the aperture A (or perhaps by z-shifting the AOD). No ...
... the aperture smaller so the beams don’t overlap, measure the rise time and peak diffraction efficiency (not diffracted power, but ratio of diffracted output to input) as a function focal spot size, varied inversely ¢ = ¸F=A by opening and closing the aperture A (or perhaps by z-shifting the AOD). No ...
Chapter 8a Wave Optics
... Example 2: two microscope slides each 7.5cm long are in contact along one pair of edges while the other edges are held apart by a piece of paper 0.012mm thick. Calculate the spacing of interference fringes under illumination by light of 632nm wavelength at near normal incidence. Solution: let the a ...
... Example 2: two microscope slides each 7.5cm long are in contact along one pair of edges while the other edges are held apart by a piece of paper 0.012mm thick. Calculate the spacing of interference fringes under illumination by light of 632nm wavelength at near normal incidence. Solution: let the a ...
To understand the basics of reflection and refraction
... • Reflecting light goes at the same angle it hits (from point of view of the surface) • Refracted light will depend on the difference of mediums and the angle. • At some angle (critical angle) the refracted angle is 90 degrees – so you get no refraction bigger entry angles. • Also, reflections polar ...
... • Reflecting light goes at the same angle it hits (from point of view of the surface) • Refracted light will depend on the difference of mediums and the angle. • At some angle (critical angle) the refracted angle is 90 degrees – so you get no refraction bigger entry angles. • Also, reflections polar ...
Photon diffraction
... The difference between waves and nanowaves is defined only by wavelength, microwaves belong to electromagnetic waves. Photons are nanowaves, photon beams aren’ t electromagnetic waves and can have constant or variable intensity. Microwaves utilize the frequency band (3GHz – 3x103 GHz) and the wavele ...
... The difference between waves and nanowaves is defined only by wavelength, microwaves belong to electromagnetic waves. Photons are nanowaves, photon beams aren’ t electromagnetic waves and can have constant or variable intensity. Microwaves utilize the frequency band (3GHz – 3x103 GHz) and the wavele ...
Space-Time-Wavelength Mapping Based
... The 2D space-wavelength mapping produced by the VIPA and the grating, focused onto a ~25 × 25 µm2 area is shown in Fig. 2a. By using different RF waveforms, it is possible to manipulate the power profile in accordance with this mapping, to obtain desired intensity gradient and force profiles in 2D s ...
... The 2D space-wavelength mapping produced by the VIPA and the grating, focused onto a ~25 × 25 µm2 area is shown in Fig. 2a. By using different RF waveforms, it is possible to manipulate the power profile in accordance with this mapping, to obtain desired intensity gradient and force profiles in 2D s ...
Waves & Oscillations Physics 42200 Spring 2014 Semester Lecture 39 – Review
... Double-slit experiments Fresnel’s double-mirror, double-prism, Lloyd’s mirror Thin films, Michelson interferometer Multiple beam interferometry, Fabry-Perot interferometer ...
... Double-slit experiments Fresnel’s double-mirror, double-prism, Lloyd’s mirror Thin films, Michelson interferometer Multiple beam interferometry, Fabry-Perot interferometer ...
TAPERED OPTICAL FIBER PLATFORM FOR HIGH SENSITIVITY
... phase reconstruction approaches such as phase retrieval or spatial heterodyne. In this thesis, we present a partially coherent technique with the capability to use either active or passive illumination to digitally correct for piston phase errors. This technique requires an anamorphic pupil relay sy ...
... phase reconstruction approaches such as phase retrieval or spatial heterodyne. In this thesis, we present a partially coherent technique with the capability to use either active or passive illumination to digitally correct for piston phase errors. This technique requires an anamorphic pupil relay sy ...
Reflectivity measurements of a quantum well
... electrodynamics (cQED). The effect is coherent what gives a potential for applications in quantum information processing or control and for nonlinear optics. Almost all photonic devices are based on the spontaneous emission rate control. Addition of the nitrogen to the InGaAs alloy redshifts the emi ...
... electrodynamics (cQED). The effect is coherent what gives a potential for applications in quantum information processing or control and for nonlinear optics. Almost all photonic devices are based on the spontaneous emission rate control. Addition of the nitrogen to the InGaAs alloy redshifts the emi ...
Unit X: Light Phenomena - Bremen High School District 228
... Understand the reflection, refraction, diffraction, interference, and frame of reference properties of waves. Indicate that the speed of light differs in some material from its speed in a vacuum is given by the index of refraction for that material, n, where n is the ratio of the speed of light in a ...
... Understand the reflection, refraction, diffraction, interference, and frame of reference properties of waves. Indicate that the speed of light differs in some material from its speed in a vacuum is given by the index of refraction for that material, n, where n is the ratio of the speed of light in a ...
Volume Holographic Recording and Readout for 90
... material, to be made more precise later. Also, the angle of the grating vector is terms in the surviving Laplace variable. It is pointed outthat the inverse transformation of 2-D Laplace functions as derived here is rather difficult even under weak diffraction limits, even for uniform plane wave or ...
... material, to be made more precise later. Also, the angle of the grating vector is terms in the surviving Laplace variable. It is pointed outthat the inverse transformation of 2-D Laplace functions as derived here is rather difficult even under weak diffraction limits, even for uniform plane wave or ...
Chapter 15 Section 1 Interference
... same wavelength. A light source that has a single wavelength is called monochromatic. • In constructive interference, component waves combine to form a resultant wave with the same wavelength but with an amplitude that is greater than the either of the individual component waves. • In the case of de ...
... same wavelength. A light source that has a single wavelength is called monochromatic. • In constructive interference, component waves combine to form a resultant wave with the same wavelength but with an amplitude that is greater than the either of the individual component waves. • In the case of de ...
Document
... each output coordinate at frequency (θx/λ, θy /λ) of (x’,y’) receives amplitude gin(x,y) equal to that of the corresponding Fourier component ...
... each output coordinate at frequency (θx/λ, θy /λ) of (x’,y’) receives amplitude gin(x,y) equal to that of the corresponding Fourier component ...
5.3.2 Processing Light
... The incoming beam is polarized at 45o relative to the principal polarization directions in the anisotropic medium. The two beams exciting the medium produce a circular polarization as shown in the animation (© Wikipedia) How is it done? Let's look at the "old" and slightly modified picture above to ...
... The incoming beam is polarized at 45o relative to the principal polarization directions in the anisotropic medium. The two beams exciting the medium produce a circular polarization as shown in the animation (© Wikipedia) How is it done? Let's look at the "old" and slightly modified picture above to ...
Optics
... Light Waves • Light is a wave that propagates at speed c. – c = 3 x 108 m/s in a vacuum – velocity is slower in other media ...
... Light Waves • Light is a wave that propagates at speed c. – c = 3 x 108 m/s in a vacuum – velocity is slower in other media ...
Worksheets for Unit 4 Light and Matter
... 3. The stopping voltage is now increased to bring the current almost to zero, which is to just stop the electrons that have been emitted with kinetic energy from the photo-cell. 4. The current sensitivity is now increased to maximum value and the stopping voltage increased until the current JUST rea ...
... 3. The stopping voltage is now increased to bring the current almost to zero, which is to just stop the electrons that have been emitted with kinetic energy from the photo-cell. 4. The current sensitivity is now increased to maximum value and the stopping voltage increased until the current JUST rea ...
Effect of the refractive index change kinetics of
... the appearance of a larger and larger saturation effect. One can see that the longer the development time (smaller the k in Fig. 3), the larger the difference between the modeled diffraction efficiency and the one predicted by the Kogelnik theory for sinusoidal gratings. Moreover, it is seen that wh ...
... the appearance of a larger and larger saturation effect. One can see that the longer the development time (smaller the k in Fig. 3), the larger the difference between the modeled diffraction efficiency and the one predicted by the Kogelnik theory for sinusoidal gratings. Moreover, it is seen that wh ...
Lecture 18
... (A) the plasma membrane labeled with DiI in a hippocampal neuron (15 sec) (B) mitochondria labeled with MitoTracker Red in a BS-C-1 cell (10 sec) (C) the ER labeled with ER-Tracker Red in a BS-C-1 cell (10 sec) (D) lysosomes labeled with LysoTracker Red in a BS-C-1 cell (1 sec) ...
... (A) the plasma membrane labeled with DiI in a hippocampal neuron (15 sec) (B) mitochondria labeled with MitoTracker Red in a BS-C-1 cell (10 sec) (C) the ER labeled with ER-Tracker Red in a BS-C-1 cell (10 sec) (D) lysosomes labeled with LysoTracker Red in a BS-C-1 cell (1 sec) ...
Reflect/Refract
... •The wave calculations we have done assume i = r the mirror is infinitely large •If the wavelength is sufficiently tiny compared to objects, this might be a good approximation i r •For the next week, we will always make this approximation Mirror •It’s called geometric optics •Physical optics wi ...
... •The wave calculations we have done assume i = r the mirror is infinitely large •If the wavelength is sufficiently tiny compared to objects, this might be a good approximation i r •For the next week, we will always make this approximation Mirror •It’s called geometric optics •Physical optics wi ...
Diffraction grating
![](https://commons.wikimedia.org/wiki/Special:FilePath/Diffraction_grating.jpg?width=300)
In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The emerging coloration is a form of structural coloration. The directions of these beams depend on the spacing of the grating and the wavelength of the light so that the grating acts as the dispersive element. Because of this, gratings are commonly used in monochromators and spectrometers.For practical applications, gratings generally have ridges or rulings on their surface rather than dark lines. Such gratings can be either transmissive or reflective. Gratings which modulate the phase rather than the amplitude of the incident light are also produced, frequently using holography.The principles of diffraction gratings were discovered by James Gregory, about a year after Newton's prism experiments, initially with items such as bird feathers. The first man-made diffraction grating was made around 1785 by Philadelphia inventor David Rittenhouse, who strung hairs between two finely threaded screws. This was similar to notable German physicist Joseph von Fraunhofer's wire diffraction grating in 1821.Diffraction can create ""rainbow"" colors when illuminated by a wide spectrum (e.g., continuous) light source. The sparkling effects from the closely spaced narrow tracks on optical storage disks such as CD's or DVDs are an example, while the similar rainbow effects caused by thin layers of oil (or gasoline, etc.) on water are not caused by a grating, but rather by interference effects in reflections from the closely spaced transmissive layers (see Examples, below). A grating has parallel lines, while a CD has a spiral of finely-spaced data tracks. Diffraction colors also appear when one looks at a bright point source through a translucent fine-pitch umbrella-fabric covering. Decorative patterned plastic films based on reflective grating patches are very inexpensive, and are commonplace.