Two-state Optical Filter Based on Micromechanical
... actuation voltages. The movable frame snaps down onto the substrate at 4 Volts, creating a height modulation corresponding to the thickness of the removed oxide layer. We characterized the filtering properties by mounting the component on an optical bench with illumination and detection through fibe ...
... actuation voltages. The movable frame snaps down onto the substrate at 4 Volts, creating a height modulation corresponding to the thickness of the removed oxide layer. We characterized the filtering properties by mounting the component on an optical bench with illumination and detection through fibe ...
High Current Voltage Regulator Module Employs Novel
... solutions such as heat pipes can also be eliminated. As performance demands increase traditional SMT type packages will gradually become obsolete and used only in low end cost driven designs while the high-end power management systems will migrate to using packages that exhibit order-of-magnitude lo ...
... solutions such as heat pipes can also be eliminated. As performance demands increase traditional SMT type packages will gradually become obsolete and used only in low end cost driven designs while the high-end power management systems will migrate to using packages that exhibit order-of-magnitude lo ...
CE-PHY II - OPTICS
... A rear-view driving mirror may be either plane or convex. Which of the following is/ace the advantage(s) of using a convex mirror over a plane mirror ? ...
... A rear-view driving mirror may be either plane or convex. Which of the following is/ace the advantage(s) of using a convex mirror over a plane mirror ? ...
the world through our senses
... http://nzphoto.tripod.com/sterea/3dvision.htm 1. The stereoscopic vision is vision using both eyes. 2. The overlapping area of the vision of both the left and right eyes is called stereoscopic field 3. Advantages of stereoscopic vision. a. See three-dimensional pictures of objects. b. Enables more a ...
... http://nzphoto.tripod.com/sterea/3dvision.htm 1. The stereoscopic vision is vision using both eyes. 2. The overlapping area of the vision of both the left and right eyes is called stereoscopic field 3. Advantages of stereoscopic vision. a. See three-dimensional pictures of objects. b. Enables more a ...
setting up of a total internal reflection fluorescent microscope
... tool with high signal-to-noise ratio while at the same time eliminating maximum background noise [1]. TIRF utilizes the evanescent field created when a beam of light strikes an interface between two media to excite fluorescent dyes in the specimen. The phenomenon of total internal reflection occurs ...
... tool with high signal-to-noise ratio while at the same time eliminating maximum background noise [1]. TIRF utilizes the evanescent field created when a beam of light strikes an interface between two media to excite fluorescent dyes in the specimen. The phenomenon of total internal reflection occurs ...
Application Note 120 General Description Capacitive Coupling Ethernet Transceivers without Using Transformers
... For 100BASE-TX, the transmit drivers are current-driven for all the Micrel devices discussed in this application note. The transmit side drives at 20mA single-ended. If the supply voltage for the 100BASE-TX transmitters and the transmit side pull-up resistors (R1, R2) is 3.3V, the DC offset for the ...
... For 100BASE-TX, the transmit drivers are current-driven for all the Micrel devices discussed in this application note. The transmit side drives at 20mA single-ended. If the supply voltage for the 100BASE-TX transmitters and the transmit side pull-up resistors (R1, R2) is 3.3V, the DC offset for the ...
My Research about the silicon photonics
... Photonics is the technology of signal processing, transmission and detection where the signal is carried by photons (light) and it is already heavily used in photonic devices such as lasers, waveguides or optical fibers. Optical technology has always suffered from its reputation for being an expensi ...
... Photonics is the technology of signal processing, transmission and detection where the signal is carried by photons (light) and it is already heavily used in photonic devices such as lasers, waveguides or optical fibers. Optical technology has always suffered from its reputation for being an expensi ...
没有幻灯片标题
... natural light (unpolarized light) • The waves emitted by any one molecule may be linearly polarized, but any actual light source contains a tremendous number of molecules with random orientations, so the emitted light is a random mixture of waves linearly polarized in all possible transverse direct ...
... natural light (unpolarized light) • The waves emitted by any one molecule may be linearly polarized, but any actual light source contains a tremendous number of molecules with random orientations, so the emitted light is a random mixture of waves linearly polarized in all possible transverse direct ...
Spectroscope
... Turn on the incandescent light and hold up the Glo-Doodler in front of it. Ask students to describe how this spectrum is different from that of the bulb by itself or from the fluorescent bulb. (The Glo-Doodler absorbs certain wavelengths, which show as black bands in the spectrum.) Think of a safe w ...
... Turn on the incandescent light and hold up the Glo-Doodler in front of it. Ask students to describe how this spectrum is different from that of the bulb by itself or from the fluorescent bulb. (The Glo-Doodler absorbs certain wavelengths, which show as black bands in the spectrum.) Think of a safe w ...
Electronics - Kelso High School
... In sections 2 and 3 you found out about input and output devices. To make a useful electronic system, these have to be connected by a process device. In this section, the first process device you will meet is the transistor. You will use it to make systems which can switch on lights or heaters autom ...
... In sections 2 and 3 you found out about input and output devices. To make a useful electronic system, these have to be connected by a process device. In this section, the first process device you will meet is the transistor. You will use it to make systems which can switch on lights or heaters autom ...
MS-4(E) - Fire
... • Maximum available current: 500 mA — appropriate for powering four-wire smoke detectors (see notes). • Power-limited circuitry. Notes: 1) Refer to the Fire•Lite Device Compatibility Document for a complete list of compatible devices. ...
... • Maximum available current: 500 mA — appropriate for powering four-wire smoke detectors (see notes). • Power-limited circuitry. Notes: 1) Refer to the Fire•Lite Device Compatibility Document for a complete list of compatible devices. ...
Chapter 3 Fiber Optics and Integrated Optics
... Earlier way: vacuum deposition—TaO, LiNb coated on a substrate Modern ways: diffusion techniques ion implantation proton bombardment electron or laser writing ...
... Earlier way: vacuum deposition—TaO, LiNb coated on a substrate Modern ways: diffusion techniques ion implantation proton bombardment electron or laser writing ...
Light and optics
... tanning, but it can also do irreparable damage to us. There is an increase in the amount of UV radiation that is reaching us because the ozone layer in the atmosphere (which protects us from the damaging radiation by absorbing the UV rays) is being thinned. ...
... tanning, but it can also do irreparable damage to us. There is an increase in the amount of UV radiation that is reaching us because the ozone layer in the atmosphere (which protects us from the damaging radiation by absorbing the UV rays) is being thinned. ...
Lecture 31 - Purdue Physics
... determines how much light will reach the image plane. • Pupils are typically circular: the area varies as the square of the diameter, 9. • The image area varies as the square of the lateral dimension, : ~ • Light intensity at the image plane varies as 9/ • (9/ ) is called the relative aperture ...
... determines how much light will reach the image plane. • Pupils are typically circular: the area varies as the square of the diameter, 9. • The image area varies as the square of the lateral dimension, : ~ • Light intensity at the image plane varies as 9/ • (9/ ) is called the relative aperture ...
homework - Homework Market
... What does changing the index of refraction do to the refracted and reflected light? Be specific. There is an angle at which the light will not pass into the other material and will start to be reflected at the surface. This is call the critical angle of refraction. ...
... What does changing the index of refraction do to the refracted and reflected light? Be specific. There is an angle at which the light will not pass into the other material and will start to be reflected at the surface. This is call the critical angle of refraction. ...
Converging Lens
... telescopes. The refractive telescope that Galileo constructed, for instance, uses two converging lenses in series. Telescopes that use mirrors as their objective are called reflective telescopes. Sir Issac Newton was the first to figure out that mirrors could be used to focus light instead of lenses ...
... telescopes. The refractive telescope that Galileo constructed, for instance, uses two converging lenses in series. Telescopes that use mirrors as their objective are called reflective telescopes. Sir Issac Newton was the first to figure out that mirrors could be used to focus light instead of lenses ...
Looking through walls and around corners with
... of 1% of the segments, and elite count of 2. The CCD integration time during the optimization was typically 80ms. For imaging with incoherent illumination the integration times were 2-10s. The scattering samples used are a 10x20° Newport light shaping diffuser (Fig.2), and a white paper sticker with ...
... of 1% of the segments, and elite count of 2. The CCD integration time during the optimization was typically 80ms. For imaging with incoherent illumination the integration times were 2-10s. The scattering samples used are a 10x20° Newport light shaping diffuser (Fig.2), and a white paper sticker with ...
light - Churchill High School
... Light is a form of energy that travels. The intensity of light is the amount of energy per second falling on a surface. Most light sources distribute their light equally in all directions, making a spherical pattern. Because light spreads out in a sphere, the intensity decreases the farther you get ...
... Light is a form of energy that travels. The intensity of light is the amount of energy per second falling on a surface. Most light sources distribute their light equally in all directions, making a spherical pattern. Because light spreads out in a sphere, the intensity decreases the farther you get ...
Chapter 8a Wave Optics
... Example 2: two microscope slides each 7.5cm long are in contact along one pair of edges while the other edges are held apart by a piece of paper 0.012mm thick. Calculate the spacing of interference fringes under illumination by light of 632nm wavelength at near normal incidence. Solution: let the a ...
... Example 2: two microscope slides each 7.5cm long are in contact along one pair of edges while the other edges are held apart by a piece of paper 0.012mm thick. Calculate the spacing of interference fringes under illumination by light of 632nm wavelength at near normal incidence. Solution: let the a ...
bright field microscopy
... • Optical phenomena of diffraction and interference are used to add light/dark contrast to a transparent specimen for imaging. • There is no need to stain the specimen as in brightfield microscopy, so live specimens can be used. • Enhances contrasts of transparent and colorless objects by influencin ...
... • Optical phenomena of diffraction and interference are used to add light/dark contrast to a transparent specimen for imaging. • There is no need to stain the specimen as in brightfield microscopy, so live specimens can be used. • Enhances contrasts of transparent and colorless objects by influencin ...
... Memory in overall terms, especially density. For example, 50 ns allows about 5 bits to be operated in a Racetrack Memory device, resulting in an effective cell size of 20/5=4 F², easily exceeding the performance density product of PCRAM. On the other hand, without sacrificing bit density, the same 2 ...
Measurement of Surface Quality 1. Lyot Test 2. FECO 3. Nomarski
... Lyot Test (Zernike Phase Contrast) Ref: Kingslake, Vol IV, p. 67 The figure below illustrates how the Lyot test, or as it is commonly called, the Zernike phase contrast test, can be used to measure surface roughness. If the sample is tested in reflection, the back surface is often coated to elimina ...
... Lyot Test (Zernike Phase Contrast) Ref: Kingslake, Vol IV, p. 67 The figure below illustrates how the Lyot test, or as it is commonly called, the Zernike phase contrast test, can be used to measure surface roughness. If the sample is tested in reflection, the back surface is often coated to elimina ...
Foreword Word Problems
... This homework is strictly extra credit. It’s all about accelerometer design. How many points can I earn, you ask? You may earn whichever is greater of i) half of the points you missed on the first exam, or the equivalent of 5 pts on the homework. In essence, you’ll be credited points according to wh ...
... This homework is strictly extra credit. It’s all about accelerometer design. How many points can I earn, you ask? You may earn whichever is greater of i) half of the points you missed on the first exam, or the equivalent of 5 pts on the homework. In essence, you’ll be credited points according to wh ...
Night vision device
A night vision device (NVD) is an optoelectronic device that allows images to be produced in levels of light approaching total darkness. The image may be a conversion to visible light of both visible light and near-infrared, while by convention detection of thermal infrared is denoted thermal imaging. The image produced is typically monochrome, e.g. shades of green. NVDs are most often used by the military and law enforcement agencies, but are available to civilian users. The term usually refers to a complete unit, including an image intensifier tube, a protective and generally water-resistant housing, and some type of mounting system. Many NVDs also include optical components such as a sacrificial lens, or telescopic lenses or mirrors. An NVD may have an IR illuminator, making it an active as opposed to passive night vision device.Night vision devices were first used in World War II, and came into wide use during the Vietnam War. The technology has evolved greatly since their introduction, leading to several ""generations"" of night vision equipment with performance increasing and price decreasing. Consequently, they are available for a wide range of applications, e.g. for gunners, drivers and aviators. Another term is ""night optical/observation device"" or NOD.