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reflection, refraction, lense and optical instruments
reflection, refraction, lense and optical instruments

Synopsis by Dathan Golish
Synopsis by Dathan Golish

Activity: Emission spectroscopy and smart sensors
Activity: Emission spectroscopy and smart sensors

Presentation - Photonic Materials Group
Presentation - Photonic Materials Group

... Red (small frequency): smaller n Blue (high frequency): larger n ...
Noniterative Exact Solution to the Phase Problem in Optical Imaging Implemented with Scanning Probe Microscope.
Noniterative Exact Solution to the Phase Problem in Optical Imaging Implemented with Scanning Probe Microscope.

Associate Professor Shien
Associate Professor Shien

... used to compensate the fiber loss in a lightwave system. Optical amplifiers with wavelength division multiplexing (WDM) technologies can provide high speed and secure optical links that are immune to EM interference and that can transmit information to long distance without using electronic repeater ...
Optical Properties of Condensed Matters
Optical Properties of Condensed Matters

... may consider only the real parts of n and ; In the absorption region, one need to know both the real and imaginary parts of n and . ...
Experimental method for reliably establishing the refractive index of
Experimental method for reliably establishing the refractive index of

... difficulties comprises overcoming the degeneracy between complex refractive indices and layer thicknesses. For example, a wide range of similar physical characteristics can be tuned to produce the same optical reflection spectra [5,6]. Such degeneracy, however, can be significantly reduced by simult ...
Direct detection of acoustic waves by laser light diffraction and
Direct detection of acoustic waves by laser light diffraction and

1064nm PMFM
1064nm PMFM

Distributed-gain measurements of erbium
Distributed-gain measurements of erbium

... is deternlined by the laser intensity and its intensity noise, whereas the maximum detectable range is given by the laser linewidth. In our experimental setup we used a three electrodes semiconductor laser coupled to an external cavity in order to increase its coherence length [ 6 ] . When coupled t ...
Optical Properties of Condensed Matters
Optical Properties of Condensed Matters

Fan, Shanhui - Quantum Electronics Group
Fan, Shanhui - Quantum Electronics Group

Approximate Theory of Rectangular Optical Waveguides
Approximate Theory of Rectangular Optical Waveguides

... Eg. The band structures of the 2D square-lattice photonic crystal with the lattice constant is a=0.5μm. The radius of the pillar is Rc=225nm. And the refractive index of the pillar is 3.16227766. ...
blood group detection using fiber optics
blood group detection using fiber optics

... is transmitted, so that a voltage pulse of amplitude V and of duration Tb occurs at the output. When a “0” is sent, the signal voltage remains at zero for the period Tb at the output. The optical signal emitted from the light source is coupled to one end of a fiber, and it gets attenuated and distor ...
FA15Lec17 Optical Traps.Two
FA15Lec17 Optical Traps.Two

Presentation PPT
Presentation PPT

... classical optical fibers): If the defect of the structure is realized by removing the central capillary then guiding of electromagnetic wave in a PCF can be regarded as a modified total internal reflection mechanism. 2. Photonic bandgap mechanism: If the central defect is realized by inserting a cen ...
Modal and Material Dispersion
Modal and Material Dispersion

... In general, a linearly polarized mode is a combination of both of the degenerate modes. As the modal wave travels along the fiber, the difference in the refractive indices would change the phase difference between these two components & thereby the state of the polarization of the mode. However afte ...
Document
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Nanometer optical coherence tomography using
Nanometer optical coherence tomography using

... small bandwidth of 35 eV would reduce the axial resolution of XCT to 40 nm ...
Phase Change upon Reflection—CE Mungan, Spring 2008
Phase Change upon Reflection—CE Mungan, Spring 2008

... to r which cannot exceed 1) like a pulse reaching a free end of a string and flipping it through a distance equal to twice the amplitude of the pulse. Furthermore R + T = 1, in accord with energy conservation, where the transmittance is T ! It / Ii = t 2 n2 / n1 for normal incidence. Note that T and ...
McDonald-etal-OE-2015-3D-mapping-of-intensity
McDonald-etal-OE-2015-3D-mapping-of-intensity

supplementary info
supplementary info

... Figure S6. (a) Calculated intensity distributions of electric fields around Ag nanoparticles (dia. 100 nm) immersed in water and illuminated by a plane wave of λ = 800 nm. The beam is incident from the bottom side with light polarization along the y-direction. (I). A single Ag nanoparticle in water ...
Imaging properties of a metamaterial superlens
Imaging properties of a metamaterial superlens

... Fig. 2. Furthermore, it turns out that the effect of loss characterized by the imaginary part of ␧ can also be approximated in this equation.11 In the case of Imag(␧ M )⫽0.4, the result is approximately 2.6, indicating a resolution of ⬃␭/3. Taking the loss of natural metal at optical frequencies int ...
Advantages of Infinity-Corrected Optics in FT
Advantages of Infinity-Corrected Optics in FT

... Infinity-correction of optical components is a technology that has recently seen tremendous popularity in the world of visible microscopes. The term infinity-correction refers to the collimation of both the infrared and visible light beams in the microscope. Light rays from a distant object, or “at ...
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Photon scanning microscopy

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