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Microscopy 1: Optical
... To provide a magnified image To observe features that are beyond the resolution of the human eyes (~100mm) ─ directly by light (optical) microscope using visible light ─ other microscopy imaging techniques use some other interaction probe and response signal (usually electrons) to provide the co ...
... To provide a magnified image To observe features that are beyond the resolution of the human eyes (~100mm) ─ directly by light (optical) microscope using visible light ─ other microscopy imaging techniques use some other interaction probe and response signal (usually electrons) to provide the co ...
development of SPR sensors
... Low-cost micro-lens array and diffractive grating mirrors for focusing and redirecting light Molding and rapid fabrication techniques for mass production of optical components Sensitive fiber and waveguide-SPR approach Integrated multilayer and distributed Bragg reflector for improved sensitivity Im ...
... Low-cost micro-lens array and diffractive grating mirrors for focusing and redirecting light Molding and rapid fabrication techniques for mass production of optical components Sensitive fiber and waveguide-SPR approach Integrated multilayer and distributed Bragg reflector for improved sensitivity Im ...
Applied physics viva
... A4.the temperature between the hot body and surroundings must be less than40 degree Centigrade Q5.In your experiment why do you make the outer surface of calorimeter to be dull black? A5.So that it becomes a good radiator of heat. Q6.Why do you fill water in double walled enclosure? A6.As specific h ...
... A4.the temperature between the hot body and surroundings must be less than40 degree Centigrade Q5.In your experiment why do you make the outer surface of calorimeter to be dull black? A5.So that it becomes a good radiator of heat. Q6.Why do you fill water in double walled enclosure? A6.As specific h ...
Optical Doppler Effect in a Medium C. H. Chang, J. H. Hsiao, and
... to determine the speed of EM waves in the moving frame as ~u0 = (−v, (c/n) 1 − (v/c)2 ) from ~u = (0, c/n) in the lab frame. Without bothering with the Pythagoras principles, the time interval for the moving observer can be directly determinedp from the vertical motion p to be 2h/u0y = 2h/(c/n 1 − ( ...
... to determine the speed of EM waves in the moving frame as ~u0 = (−v, (c/n) 1 − (v/c)2 ) from ~u = (0, c/n) in the lab frame. Without bothering with the Pythagoras principles, the time interval for the moving observer can be directly determinedp from the vertical motion p to be 2h/u0y = 2h/(c/n 1 − ( ...
The principle of the experiment - Syrte
... 10−8 m to 10−3 m have been the domain of microelectromechanical systems and of torsion balance experiments. Two major difficulties of such mechanical experiments are the exact knowledge of the geometry of the setup (distance, surface roughness, etc...) and the precise measurement of the very small f ...
... 10−8 m to 10−3 m have been the domain of microelectromechanical systems and of torsion balance experiments. Two major difficulties of such mechanical experiments are the exact knowledge of the geometry of the setup (distance, surface roughness, etc...) and the precise measurement of the very small f ...
Spin Dynamics in InAs quantum dots Report on the measurements
... color setup (the pump and probe beam have the same photon energy), the life-time of the injected electrons and spin in the capping layer is measured which is affected by the presence of the electron energy level due to the wetting layer and/or the quantum dots. In Fig. 3 the Kerr rotation of the pro ...
... color setup (the pump and probe beam have the same photon energy), the life-time of the injected electrons and spin in the capping layer is measured which is affected by the presence of the electron energy level due to the wetting layer and/or the quantum dots. In Fig. 3 the Kerr rotation of the pro ...
Optical Fibers
... internal reflection. Rays that meet the core-cladding boundary at a high angle (measured relative to a line normal to the boundary), greater than the critical angle for this boundary, are completely reflected. The critical angle (minimum angle for total internal reflection) is determined by the diff ...
... internal reflection. Rays that meet the core-cladding boundary at a high angle (measured relative to a line normal to the boundary), greater than the critical angle for this boundary, are completely reflected. The critical angle (minimum angle for total internal reflection) is determined by the diff ...
12. confocal microscopy.
... 12.1. Confocal Microscopy Confocal microscopy can render depth-resolved slices through a 3D object by rejecting much of the out of focus light via a pinhole. In confocal microscopy the image is reconstructed serially, i.e. point by point, using a single photodetector, rather than in parallel (in bri ...
... 12.1. Confocal Microscopy Confocal microscopy can render depth-resolved slices through a 3D object by rejecting much of the out of focus light via a pinhole. In confocal microscopy the image is reconstructed serially, i.e. point by point, using a single photodetector, rather than in parallel (in bri ...
INFRA-RED OPTICAL COMMUNICATION SYSTEMS*
... of lo-’ set or more, and need refrigeration. INFORMATION ...
... of lo-’ set or more, and need refrigeration. INFORMATION ...
Optics 101 for non-optical engineers
... Basic Optical Terms / Definitions Diffraction = As a wavefront of light passes by an opaque edge or through an opening, secondary weaker wavefronts are generated. These secondary wavefronts will interfere with the primary wavefront as well as each other to form various diffraction patterns. Diffrac ...
... Basic Optical Terms / Definitions Diffraction = As a wavefront of light passes by an opaque edge or through an opening, secondary weaker wavefronts are generated. These secondary wavefronts will interfere with the primary wavefront as well as each other to form various diffraction patterns. Diffrac ...
ray_optics_su2014
... 2a. Total Reflection (Snell’s Window) • At the “critical angle” the refracted beam is at 90, so it can’t get out. • Greater than this “critical angle” there is 100% reflection • Snell’s Window: from underwater a fish sees the entire area above surface in a cone. Outside the cone light is totally r ...
... 2a. Total Reflection (Snell’s Window) • At the “critical angle” the refracted beam is at 90, so it can’t get out. • Greater than this “critical angle” there is 100% reflection • Snell’s Window: from underwater a fish sees the entire area above surface in a cone. Outside the cone light is totally r ...
ppt
... • Ordinary Si wafers aren’t flat enough (15 microns) • Large polished substrates are expensive ...
... • Ordinary Si wafers aren’t flat enough (15 microns) • Large polished substrates are expensive ...