of refraction
... • When light passes from one medium to another at an angle it seems to bend. • This is due to the fact that it slows down or speeds up when it changes mediums. • n (index of refraction) is an experimental number used to compare different materials to each other based on how much they slow down light ...
... • When light passes from one medium to another at an angle it seems to bend. • This is due to the fact that it slows down or speeds up when it changes mediums. • n (index of refraction) is an experimental number used to compare different materials to each other based on how much they slow down light ...
Specifying an Aspheric Surface
... anamorphic asphere, which has additional higher-order terms in two orthogonal directions. Also, a toroid, or toric, form exists which has the effective shape of a doughnut with two radii. Applications and Benefits The majority of optical systems are based on the use of spherical components because t ...
... anamorphic asphere, which has additional higher-order terms in two orthogonal directions. Also, a toroid, or toric, form exists which has the effective shape of a doughnut with two radii. Applications and Benefits The majority of optical systems are based on the use of spherical components because t ...
Gauthier Abstracts - Department of Electronics
... photonic quasi-crystal structure is modeled using the FDTD technique. The quasicrystal pattern is designed using the dual beam multiple exposure holographic lithography system previously reported. Simulations indicate that two types of mode families are possible; “bandgap guided” and; “index guided” ...
... photonic quasi-crystal structure is modeled using the FDTD technique. The quasicrystal pattern is designed using the dual beam multiple exposure holographic lithography system previously reported. Simulations indicate that two types of mode families are possible; “bandgap guided” and; “index guided” ...
Needle-based reflection refractometry of scattering samples using
... Received 16 Feb 2007; revised 1 Apr 2007; accepted 2 Apr 2007; published 5 Apr 2007 ...
... Received 16 Feb 2007; revised 1 Apr 2007; accepted 2 Apr 2007; published 5 Apr 2007 ...
1 Fundamental Optics www.cvimellesgriot.com
... To visualize the f-number, consider a lens with a positive focal length illuminated uniformly with collimated light. The f-number defines the angle of the cone of light leaving the lens which ultimately forms the image. This is an important concept when the throughput or light-gathering power of an ...
... To visualize the f-number, consider a lens with a positive focal length illuminated uniformly with collimated light. The f-number defines the angle of the cone of light leaving the lens which ultimately forms the image. This is an important concept when the throughput or light-gathering power of an ...
1 - Capanina
... with radio frequency equipment. While this may not be very important at the ground station gateway, these features are of paramount importance on the HAP itself, where minimising payload size and weight is extremely important and energy expenditure is a major issue. The optical carrier beam can be m ...
... with radio frequency equipment. While this may not be very important at the ground station gateway, these features are of paramount importance on the HAP itself, where minimising payload size and weight is extremely important and energy expenditure is a major issue. The optical carrier beam can be m ...
Biological specimen 3D morphology and refractive index separation
... integral refractive index. It consists in perfusing, consecutively to the standard perfusion solution, a second solution with the same osmolarity (to avoid cell volume variation) but with a different refractive index n’m=nm+dn. The sequence of this procedure is illustrated in Fig. 2. For each pixel ...
... integral refractive index. It consists in perfusing, consecutively to the standard perfusion solution, a second solution with the same osmolarity (to avoid cell volume variation) but with a different refractive index n’m=nm+dn. The sequence of this procedure is illustrated in Fig. 2. For each pixel ...
Fig. 1 - Computational Manufacturing and Materials Research Lab
... same.3 For the remainder of the work, we shall take ^ ¼ 1, i.e. l0 = li lt. However, further comments l ^ are given on the sensitivity of the reflectance to l later, in the concluding remarks, and in Appendix A. Remark. From this point forth in the analysis, the ambient medium is assumed to behave ...
... same.3 For the remainder of the work, we shall take ^ ¼ 1, i.e. l0 = li lt. However, further comments l ^ are given on the sensitivity of the reflectance to l later, in the concluding remarks, and in Appendix A. Remark. From this point forth in the analysis, the ambient medium is assumed to behave ...
Lens Webquest and Virtual Lab File
... A _____________ is a type of transparent material that bends light. Most manufactured lenses are made of glass or plastic. The bending of light is called __________________. As parallel rays of light pass through a lens, they are refracted in such a way that they either come together (______________ ...
... A _____________ is a type of transparent material that bends light. Most manufactured lenses are made of glass or plastic. The bending of light is called __________________. As parallel rays of light pass through a lens, they are refracted in such a way that they either come together (______________ ...
V Groove Measurement with White Light Interferometer
... measure surface profile. With sub-nanometre resolution and non-contacting operation, WLI is also a promising means to estimate surface roughness parameters. In recent years, however, several articles have concluded that great care must be taken to interpret the output of this type of instrument. For ...
... measure surface profile. With sub-nanometre resolution and non-contacting operation, WLI is also a promising means to estimate surface roughness parameters. In recent years, however, several articles have concluded that great care must be taken to interpret the output of this type of instrument. For ...
12. Infrared and Visible Waves
... How do infrared thermometers work? An infrared thermometer enables the remote sensing of temperature. It does this by detecting the infrared radiation emitted by an object and converting it into a temperature. The eardrum is an accurate point for measuring the body’s temperature, because it is deep ...
... How do infrared thermometers work? An infrared thermometer enables the remote sensing of temperature. It does this by detecting the infrared radiation emitted by an object and converting it into a temperature. The eardrum is an accurate point for measuring the body’s temperature, because it is deep ...
Optical tweezers computational toolbox
... infinity. The reverse of this procedure, obtaining the spin and orbital term starting from r × (E × H)/c, involving the same surface terms, had already been shown by Humblet (1943). The controversy thus consists of which of the two possible integrands to call the angular momentum density. However, i ...
... infinity. The reverse of this procedure, obtaining the spin and orbital term starting from r × (E × H)/c, involving the same surface terms, had already been shown by Humblet (1943). The controversy thus consists of which of the two possible integrands to call the angular momentum density. However, i ...
Comparison of Control Algorithms for a MEMS
... D. Zernike Polynomials Zernike polynomials, a set of two dimensional polynomials that are orthogonal over the unit circle, are almost exclusively used to quantify the eye’s wave aberrations [11, 14, 15]. If a finite set of Zernike modes can accurately represent the eye’s aberrations, projecting the ...
... D. Zernike Polynomials Zernike polynomials, a set of two dimensional polynomials that are orthogonal over the unit circle, are almost exclusively used to quantify the eye’s wave aberrations [11, 14, 15]. If a finite set of Zernike modes can accurately represent the eye’s aberrations, projecting the ...
Motion and Optical Flow
... – Differential algorithms – Based on gradients in space and time – Dense correspondence estimates – Most common with video • Large displacements – Matching algorithms – Based on correlation or features – Sparse correspondence estimates – Most common with multiple cameras / stereo ...
... – Differential algorithms – Based on gradients in space and time – Dense correspondence estimates – Most common with video • Large displacements – Matching algorithms – Based on correlation or features – Sparse correspondence estimates – Most common with multiple cameras / stereo ...
5. GAUSSIAN BEAMS 5.1. Solution to the wave equation in
... • The order of matrix multiplication is crucial. To remember the correct order, think of it as “chronological,” the first matrix applied to ( y1 ,θ1 ) is the translation matrix M d1 , followed by lens L1 , and so on. • The transfer matrices associated with optical systems are sometimes referred to a ...
... • The order of matrix multiplication is crucial. To remember the correct order, think of it as “chronological,” the first matrix applied to ( y1 ,θ1 ) is the translation matrix M d1 , followed by lens L1 , and so on. • The transfer matrices associated with optical systems are sometimes referred to a ...
- Free Documents
... Optical Concepts .The Optical Fiber Very thin strands of pure silica glass through which laser light travels in optical networks . ...
... Optical Concepts .The Optical Fiber Very thin strands of pure silica glass through which laser light travels in optical networks . ...
New imaging modes for lenslet-array tandem scanning microscopes
... the illumination and detection pinhole arrays are placed diametrically opposite on a spinning Nipkow disc. A subsequent development permitted the same pinhole array to be used for both illumination and detection (Xiao et al., 1988). A recent development to this ‘single-sided’ TSM has been the introd ...
... the illumination and detection pinhole arrays are placed diametrically opposite on a spinning Nipkow disc. A subsequent development permitted the same pinhole array to be used for both illumination and detection (Xiao et al., 1988). A recent development to this ‘single-sided’ TSM has been the introd ...
Concepts of optical signal processing and optical communications
... Fig. IV-26 In optics, pulses with durations down to 10fs are available for switching operations, orders of magnitude shorter than the shortest electrical pulses. To exploit this potential, however, we shall have to address broadband optical pulse propagation, which we shall do at the end of this cha ...
... Fig. IV-26 In optics, pulses with durations down to 10fs are available for switching operations, orders of magnitude shorter than the shortest electrical pulses. To exploit this potential, however, we shall have to address broadband optical pulse propagation, which we shall do at the end of this cha ...