Forces, light and waves
... Radiation pressure and gradient forces both exists also with acoustic waves: • Radiation pressure: associated with momentum flux transported by acoustic wave = Energy flux / velocity in the simplest cases • Gradient force: for small spherical particles it results from « Gor’kov potential ». For lar ...
... Radiation pressure and gradient forces both exists also with acoustic waves: • Radiation pressure: associated with momentum flux transported by acoustic wave = Energy flux / velocity in the simplest cases • Gradient force: for small spherical particles it results from « Gor’kov potential ». For lar ...
1.1 Interaction of Light and Matter 1.2 Wavelike
... Classical physics: atoms can absorb and emit radiation (light) of any energy – “anything goes” Modern (quantum) physics: atoms can absorb or emit only radiation (light) of certain frequencies (quantized) Climbing devices analogy Classical rope ...
... Classical physics: atoms can absorb and emit radiation (light) of any energy – “anything goes” Modern (quantum) physics: atoms can absorb or emit only radiation (light) of certain frequencies (quantized) Climbing devices analogy Classical rope ...
bright field microscopy
... • A special condenser lens is used to illuminate the specimen diagonally, then observe light scattering off it. • The field of view is darker than bright field microscopy because illumination light does not enter the objective lens. • Oblique illumination is used to increase the visibility of specim ...
... • A special condenser lens is used to illuminate the specimen diagonally, then observe light scattering off it. • The field of view is darker than bright field microscopy because illumination light does not enter the objective lens. • Oblique illumination is used to increase the visibility of specim ...
25-4 Diffraction: Double Slits and Circular Openings
... the narrower the width of the central peak in the diffraction pattern. This dependence on the diameter of the opening has implications for how close two objects can be before you cannot resolve them. For instance, when you look up at the sky at night, two stars that are very close together may appea ...
... the narrower the width of the central peak in the diffraction pattern. This dependence on the diameter of the opening has implications for how close two objects can be before you cannot resolve them. For instance, when you look up at the sky at night, two stars that are very close together may appea ...
Chapter 35 – Interference and Diffraction
... In the double slit situation, light of wavelength illuminates a set of double slits. An interference pattern is observed on a screen that is a distance R from the slits, where R >> d. Find the distance between two consecutive bright fringes on the screen. ...
... In the double slit situation, light of wavelength illuminates a set of double slits. An interference pattern is observed on a screen that is a distance R from the slits, where R >> d. Find the distance between two consecutive bright fringes on the screen. ...
Angular momentum of the photon
... by R. Beth in 1936 in Princeton. As Beth announces in his paper (R. A. Beth, Mechanical Detection and Measurement of the Angular Momentum of Light, Physical Review, v. 50, July 15, 1936) he had several discussion about the experiment with Einstein. In this experiment Beth showed that when linearly p ...
... by R. Beth in 1936 in Princeton. As Beth announces in his paper (R. A. Beth, Mechanical Detection and Measurement of the Angular Momentum of Light, Physical Review, v. 50, July 15, 1936) he had several discussion about the experiment with Einstein. In this experiment Beth showed that when linearly p ...
Ch. 35: Reflection and Refraction of Light
... the light travels in straight lines called rays, and its wave nature can be ignored. • This is the realm of geometrical optics. • The wave properties of light show up in phenomena such as interference and diffraction. ...
... the light travels in straight lines called rays, and its wave nature can be ignored. • This is the realm of geometrical optics. • The wave properties of light show up in phenomena such as interference and diffraction. ...
Chapter 8a Wave Optics
... 2. Ray optics can explain many of the properties of light, but there exist many other interesting and beautiful effects that cannot be explained by the geometric optics. For example, Experiments show that light bends around corners. 3. The wave theory of light (Huygens (1629-95)) 4. Interference eff ...
... 2. Ray optics can explain many of the properties of light, but there exist many other interesting and beautiful effects that cannot be explained by the geometric optics. For example, Experiments show that light bends around corners. 3. The wave theory of light (Huygens (1629-95)) 4. Interference eff ...
Baffle Design and Analysis of Stray-light in Multispectral Camera of
... In structures, which allow diffuse reflection of the light, the position of the vanes is made in the way that no element of the optical system can view directly illuminated surface [2]. The method used in this case is showed in figure 1A [4]. The height of the first vane is defined according to leng ...
... In structures, which allow diffuse reflection of the light, the position of the vanes is made in the way that no element of the optical system can view directly illuminated surface [2]. The method used in this case is showed in figure 1A [4]. The height of the first vane is defined according to leng ...
poster - Princeton University
... White Light Proof of Amplitude Control Ability: An incandescent light bulb is used as a light source. The interferometer is carefully adjusted so that each leg is equal in length. Under these circumstances white light fringes are visible. The box region in the middle of the figure (about 50 x 80 pix ...
... White Light Proof of Amplitude Control Ability: An incandescent light bulb is used as a light source. The interferometer is carefully adjusted so that each leg is equal in length. Under these circumstances white light fringes are visible. The box region in the middle of the figure (about 50 x 80 pix ...
Lecture 5
... So, summarizing, because these lines are excited primarily by collisions with electrons, the observed line strengths can be used to measure the density, temperature, and then composition of the gas!! To measure density: Use line ratios from lines with different critical densities (but are close tog ...
... So, summarizing, because these lines are excited primarily by collisions with electrons, the observed line strengths can be used to measure the density, temperature, and then composition of the gas!! To measure density: Use line ratios from lines with different critical densities (but are close tog ...
Interferometric near-infrared spectroscopy directly quantifies optical
... photon time-of-flight (TOF) is not measured. Accurate determination of particle dynamics from multiply scattered light is challenging if the TOF distribution is unknown. Secondly, conventional intensity-based DSCL methods are limited to systems in which the Siegert relation holds [3]. If the number ...
... photon time-of-flight (TOF) is not measured. Accurate determination of particle dynamics from multiply scattered light is challenging if the TOF distribution is unknown. Secondly, conventional intensity-based DSCL methods are limited to systems in which the Siegert relation holds [3]. If the number ...
Chapter 3 Fiber Optics and Integrated Optics
... e. Secure to interception f. Low power lost g. enormous capacity of transmission: WDM/ DWDM(Dense Wavelength Division Multiplexing)， Higher data rates over longer distances-- more “bandwidth” for internet traffic ...
... e. Secure to interception f. Low power lost g. enormous capacity of transmission: WDM/ DWDM(Dense Wavelength Division Multiplexing)， Higher data rates over longer distances-- more “bandwidth” for internet traffic ...