Applied Electromagnetics
... Experimentally achieved images N. Fang, H. Lee, C. Sun, X. Zhang, Science 308, 534, (2005). written object (top) ...
... Experimentally achieved images N. Fang, H. Lee, C. Sun, X. Zhang, Science 308, 534, (2005). written object (top) ...
10.2 Fourier Transform Infrared Spectroscopy
... undersampling • since the upper end of the infrared spectrum is near 4,000 cm-1, lower digitizing rates can be used - this is called under sampling • for the far infrared the data will be under sampled by 16 to produce a highest optical frequency of 493.8 cm-1 corresponding to a 313 Hz • for a fixed ...
... undersampling • since the upper end of the infrared spectrum is near 4,000 cm-1, lower digitizing rates can be used - this is called under sampling • for the far infrared the data will be under sampled by 16 to produce a highest optical frequency of 493.8 cm-1 corresponding to a 313 Hz • for a fixed ...
Diffractive optical elements stored on photopolymers
... elements (DOEs). A double beam interferometer is constructed, both in transmission and in reflection, in combination with the setup to expose the recording material. Some benefits are provided by this approach: direct calculation of the properties of the material is possible, index and surface modul ...
... elements (DOEs). A double beam interferometer is constructed, both in transmission and in reflection, in combination with the setup to expose the recording material. Some benefits are provided by this approach: direct calculation of the properties of the material is possible, index and surface modul ...
Direct Patterning of Three-Dimensional Periodic
... between the resist and the mask to improve adhesion. The photoresist was then exposed to UV light for 3 min through the mask using a UV aligner (HTG, 365 nm). After exposure, the samples were developed in SU-8 developer for an hour and then gently air-dried. Figure 2a shows the resulting structure v ...
... between the resist and the mask to improve adhesion. The photoresist was then exposed to UV light for 3 min through the mask using a UV aligner (HTG, 365 nm). After exposure, the samples were developed in SU-8 developer for an hour and then gently air-dried. Figure 2a shows the resulting structure v ...
CMP4203 Lasers and Photonics
... may be understood at the mechanistic level. Together with skills acquired in related courses in the Computer Engineering degree program, this provides the student with the skill base to approach the next level of accomplishment, namely where they may be required to design and construct a laser-based ...
... may be understood at the mechanistic level. Together with skills acquired in related courses in the Computer Engineering degree program, this provides the student with the skill base to approach the next level of accomplishment, namely where they may be required to design and construct a laser-based ...
PPT
... 2. How could we change the relative path-length difference, and thereby change how much light exits the bottom port? Rotate the entire interferometer (in the plane of the paper). For example, if we rotate it clockwise, the light making the clockwise circuit will have farther to go (the beamsplitter ...
... 2. How could we change the relative path-length difference, and thereby change how much light exits the bottom port? Rotate the entire interferometer (in the plane of the paper). For example, if we rotate it clockwise, the light making the clockwise circuit will have farther to go (the beamsplitter ...
Synthesis and characterization of highly ordered functional
... consisted primarily of three peaks at 9.3, 20.8, and 42.3 ppm, corresponding to the C atoms of the Si–CH2–CH2–CH2–N group in sequence from left to right. These results demonstrated that the Si–C bonds are stable during the film preparation process and that the amino-functional mesoporous materials w ...
... consisted primarily of three peaks at 9.3, 20.8, and 42.3 ppm, corresponding to the C atoms of the Si–CH2–CH2–CH2–N group in sequence from left to right. These results demonstrated that the Si–C bonds are stable during the film preparation process and that the amino-functional mesoporous materials w ...
Experience with optical partial discharge detection M. M ,
... Partial discharges are local enhancements of the electric field in the area of inhomogeneities, either in gaseous, liquid or solid media. The presence and the strength of partial discharges are criterions for the evaluation of the insulation quality of the electrical equipment. On one side, partial ...
... Partial discharges are local enhancements of the electric field in the area of inhomogeneities, either in gaseous, liquid or solid media. The presence and the strength of partial discharges are criterions for the evaluation of the insulation quality of the electrical equipment. On one side, partial ...
Ultrahigh-resolution full-field optical coherence microscopy using
... interferometer, splitting portions of the light to the sample and reference arm. The sample reflectance is imaged onto an array-based detector where it interferes with an image of the reference reflector. Images from within the tissue are typically reconstructed by arithmetic combination of the resu ...
... interferometer, splitting portions of the light to the sample and reference arm. The sample reflectance is imaged onto an array-based detector where it interferes with an image of the reference reflector. Images from within the tissue are typically reconstructed by arithmetic combination of the resu ...
Simultaneous Measurements of Hard X Rays and Second
... with increasing P component of the laser light; (v) at close-to-P-polarization conditions, however, SH emission suffers a depletion and shows a relative minimum for exact P polarization. The polarization of SH light was analyzed for the two cases of S- and P-polarized laser lights. A weak S componen ...
... with increasing P component of the laser light; (v) at close-to-P-polarization conditions, however, SH emission suffers a depletion and shows a relative minimum for exact P polarization. The polarization of SH light was analyzed for the two cases of S- and P-polarized laser lights. A weak S componen ...
Yellow nanosecond sum-frequency generating optical
... containing two different poling periods. We furthermore present observations of secondary optical parametric oscillators pumped by the circulating signal wave and the generated yellow light. 2. Experimental setup The experimental setup is shown in figure 1. It consists of a diode-pumped Q-switched Y ...
... containing two different poling periods. We furthermore present observations of secondary optical parametric oscillators pumped by the circulating signal wave and the generated yellow light. 2. Experimental setup The experimental setup is shown in figure 1. It consists of a diode-pumped Q-switched Y ...
Effect of Macroscopic Structure in Iridescent Color
... In Fig. 5, we show this effect by a simple simulation where light is incident perpendicularly on the regular array of rods. The reflection intensity is calculated by adding the amplitude of each scattered wave with the phase factor in the Fraunhofer region under the assumption that the multiple refl ...
... In Fig. 5, we show this effect by a simple simulation where light is incident perpendicularly on the regular array of rods. The reflection intensity is calculated by adding the amplitude of each scattered wave with the phase factor in the Fraunhofer region under the assumption that the multiple refl ...
Laser Communication Systems.pdf
... A population inversion is achieved when the majority of atoms have reached this metastable state. Lasing action occurs when an electron spontaneously returns to its ground state and produces a photon. If the energy from this photon is of the precise wavelength, it will stimulate the production of an ...
... A population inversion is achieved when the majority of atoms have reached this metastable state. Lasing action occurs when an electron spontaneously returns to its ground state and produces a photon. If the energy from this photon is of the precise wavelength, it will stimulate the production of an ...
Measurement of the 4Pi-confocal point spread function proves 75
... can be increased by using two opposing lenses on either side of the sample with a common focal point {Fig. 1). A confocal microscope is an excellent basis to realize such an increase in aperture angle since in a confocal microscope point-like illumination and point-like detection are applied.” The w ...
... can be increased by using two opposing lenses on either side of the sample with a common focal point {Fig. 1). A confocal microscope is an excellent basis to realize such an increase in aperture angle since in a confocal microscope point-like illumination and point-like detection are applied.” The w ...
Interferometric near-infrared spectroscopy directly quantifies optical
... a priori or fixed at a known value (e.g., 1) through careful experimental design [27], η cannot usually be estimated independently of β. Approaches to address non-ergodicity include the use of higher-order intensity autocorrelations [11,28], ensemble averaging of independent speckles [24,26] by indu ...
... a priori or fixed at a known value (e.g., 1) through careful experimental design [27], η cannot usually be estimated independently of β. Approaches to address non-ergodicity include the use of higher-order intensity autocorrelations [11,28], ensemble averaging of independent speckles [24,26] by indu ...
Advantages of Holographic Optical Tweezers
... In the last decade optical tweezers became an important tool in microbiology. However the setup becomes very complex if more than one trap needs to be moved. Holographic tweezers offer a very simple and cost efficient way of manipulating several traps independently in all three dimensions with an ac ...
... In the last decade optical tweezers became an important tool in microbiology. However the setup becomes very complex if more than one trap needs to be moved. Holographic tweezers offer a very simple and cost efficient way of manipulating several traps independently in all three dimensions with an ac ...
this PDF file
... They indicated that the tolerance of pickup head for grating scale could be improved greatly by using wavefront compensation. In 1999, Henshaw [18] of Britain Renishaw added a medium with refraction property to change the equal optical path of the interference system to different the optical path. T ...
... They indicated that the tolerance of pickup head for grating scale could be improved greatly by using wavefront compensation. In 1999, Henshaw [18] of Britain Renishaw added a medium with refraction property to change the equal optical path of the interference system to different the optical path. T ...
Test - Wave Optics
... Light is an electromagnetic wave phenomenon described by the same theoretical principles that govern all forms of electromagnetic radiation. Electromagnetic radiation propagates in the form of two mutually coupled vector waves, an electric-field wave and a magnetic-field wave. Nevertheless, it is po ...
... Light is an electromagnetic wave phenomenon described by the same theoretical principles that govern all forms of electromagnetic radiation. Electromagnetic radiation propagates in the form of two mutually coupled vector waves, an electric-field wave and a magnetic-field wave. Nevertheless, it is po ...
Chapter 8: Major Elements
... Is nwater greater or less than 1?? Larger n associated with slower V !! ...
... Is nwater greater or less than 1?? Larger n associated with slower V !! ...
Spherical Aberration. q ℓ
... URL on lens aberrations: ¡ a href=”http://www.photonics.com/EDU/Handbook.aspx?AID=25443”¿Example of lens aberations¡/a¿ (with ways to avoid defects in imagery) ¡ a href=”http://www.edmundoptics.com/technical-resources-center/optics/compar of-optical-aberrations/”¿Edmunds Optical webpage¡/a¿ ¡ a href ...
... URL on lens aberrations: ¡ a href=”http://www.photonics.com/EDU/Handbook.aspx?AID=25443”¿Example of lens aberations¡/a¿ (with ways to avoid defects in imagery) ¡ a href=”http://www.edmundoptics.com/technical-resources-center/optics/compar of-optical-aberrations/”¿Edmunds Optical webpage¡/a¿ ¡ a href ...
