'Luminous flux' diaporamas de présentation

Illumination Basic & Scheme Utilization of Electrical Energ 6 TH SEMESTER ELECTRICAL ENGG.

Illumination Basic & Scheme Utilization of Electrical Energ 6 TH SEMESTER ELECTRICAL ENGG. Barjinder singh Senior Lecturer Electrical Engg . Government Polytechnic College, Guru Teg Bahadurgarh , Moga. Topics. Introduction Nature of light Terms used in illumination

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875 views • 72 slides

Optoelectronic Devices

Optoelectronic Devices. Text, Chapter 11 Sze is a good reference. 2006 Solar Cell Record.

1.21k views • 71 slides

Lighting

Lighting. Learning outcome from this topic, the student is able to recognize the definitions and meanings for terms used in lighting calculate lighting levels by Lumen and Point-by-point Methods design the layout of luminaires for an application. Colour Temperature.

1.09k views • 40 slides

Department of Engineering Physics University of Gaziantep

EP 324 Applied Optics. Topic X PHOTOMETRY. Department of Engineering Physics University of Gaziantep. June 201 4. Introduction. R adiometry is the measurement of optical radiation including visible light P hotometry is the measurement of visible light only. Angle.

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The Behavior of Light

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Blue LED with Phosphor

Blue LED with Phosphor. Illustration. A blue GaInN/GaN LED and a phosphor wavelength converter suspended in a epoxy resin make a white Light LED.

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CHAPTER 16 LIGHT

CHAPTER 16 LIGHT. THE FACTS OF LIGHT. LIGHT IS THE RANGE OF FREQUENCIES OF ELECTROMAGNETIC WAVES THAT STIMULATES THE RETINA OF THE EYE. THE SHORTEST WAVELENGTHS ARE SEEN AS VILET LIGHT. AS WAVELENGTH INCREASES THE COLORS CHANGE FROM INDIGO, BLUE, GREEN, YELLOW, ORANGE, AND RED.

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Q. What solid angle is subtended at the center of 6 m diameter

W. R1. R2. Q. What solid angle is subtended at the center of 6 m diameter sphere by a 2 m 2 area on its surface?. W = A/R 2 = (2 m 2 )/(3 m) 2 = 0.22 sr. Luminous intensity: I = F/ W (luminous flux per unit solid angle) [lm/sr] = candela (cd). 3 m 2. 10 m.

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Light

Light. Chapter 16 & 17. What is light?. Usually we think of only visible light but visible light is just a part of the electromagnetic spectrum. Light sources: sun, flames, sparks, fireflies, glow sticks. Lamps. LEDs, lasers, TV etc., If there is NO light in a room you cannot see anything.

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Chap 16-1

Chap 16-1. Light Fundamentals. What is Light?. A transverse electromagnetic wave. What is Light?. A small part of the electromagnetic spectrum The part which stimulates the retina of the human eye Visible light has wavelengths 400-700 nm. RED Longer ? Lower f Lower E. BLUE

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Efficient Energy Management bricks-bits.pl

Efficient Energy Management www.bricks-bits.com.pl. Electricity Prices for Industry. Prices in US $/kWh in 4Q2004 France 0.052 Germany 0.100 Hungary 0.080 Italy 0.135 UK 0.106 US 0.050 Poland 0.073. Electricity Prices for Households. Prices in US $/kWh in 4Q2004

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Physics Mrs. Coyle

Light. Physics Mrs. Coyle. Electromagnetic Waves: oscillating electric and magnetic fields. http://www.physchem.co.za/OB12-ele/Graphics/wavetrain.gif. Electromagnetic Waves. Do not require a medium. Can travel through space (vacuum). Ex.: Light from the sun reaches us. Transverse.

301 views • 17 slides

Chapter 25

Chapter 25. Light Waves. C = f l C: speed of light C = 3 x 10 8 m/s in vacuum. EM wave can travel in the absence of medium. In other medium, the speed of light is smaller than in vacuum. 3 x 10 8 = f l. nano = 10 -9. http://laxmi.nuc.ucla.edu:8248/M248_99/iphysics/spectrum.gif.

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A Guiding Light In Innovation

An Investigation Into LED Multiplexing and Homogenisation Presenter : Kevin Rogers Authors: Kevin Rogers, Nigel Copner, Paul Driscoll, Ron Yandle, Peter Excell, Kang Li. A Guiding Light In Innovation. Contents. Introduce multiplexing methodology Introduce Cymtec’s Neolight LED Multiplexer

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Metr 415/715

315 views • 13 slides

Light

Light . Learning Targets ? . Light. I can calculate the illumination or luminous flux given a radius or distance. I know what the terms illumination and luminous flux mean. I know the possible labels for illumination and luminous flux. . Light.

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Y.C. Jiang

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P08456: Underwater L.E.D. Light for an R.O.V

P08456: Underwater L.E.D. Light for an R.O.V. Jeremy Schiele Benoit Hennekinne Ryan Seeber Jonathan Lent Justin VanSlyke. User Input. Micro-Controller. USB Converter. LED Driver. Light Output. Temp. Sensor. Power Board. Light Unit Architecture. LEDs. Signal Feedback Power. PWM.

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Photometry

Photometry.

461 views • 5 slides