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High School How does matter absorb light?

  • Physicsquery
  • · Replies 4 ·
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4

Undergrad Changing Laser Pulse Energy for Q-Switching Solid State Lasers

  • predrummer
  • · Replies 3 ·
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3

Graduate How Does Thin-Film Interference Create Color Effects?

  • austinv
  • · Replies 2 ·
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2

Graduate Speed of light, permeability and permitivity of free space

  • bobsmith76
  • · Replies 2 ·
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2

Graduate Infinity optics - position of tube lens

  • stephenx_86
  • · Replies 3 ·
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3

Undergrad What is the nature of the medium that carries electromagnetic waves?

  • bobsmith76
  • · Replies 4 ·
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4

Undergrad Custom 34mm f/2.8 lens design for 50–200m focus range

  • ariebl
  • · Replies 4 ·
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4

Graduate Energy present in a localized area during nodal interference

  • whurlz
  • · Replies 2 ·
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2

High School Is refractive index sin(i)/sin(r) or its inverse?

  • Celluhh
  • · Replies 13 ·
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13

Undergrad Does refractive index mix linearly when two materials are combined?

  • lionelwang
  • · Replies 4 ·
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4

Undergrad Unknown Light Source Through Polarizer

  • kkcolwell
  • · Replies 2 ·
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2

Graduate Why does a moving reflector heat up in one frame but not another?

  • patricks
  • · Replies 4 ·
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4

High School Why do objects absorb certain wavelengths and reflect others?

  • Newtons Apple
  • · Replies 3 ·
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3

Graduate Why do wire-grid polarizers have a separation less than the wavelength?

  • montser
  • · Replies 6 ·
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6

Undergrad Can Beats Be Heard When Tuning a Guitar Using the Beat Method?

  • austinv
  • · Replies 2 ·
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2

Undergrad Explanation for Rayleigh Criterion?

  • ameliatqy
  • · Replies 4 ·
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4

Undergrad Sign convention for R1 and R2 in the lens maker's formula

  • chitturp
  • · Replies 2 ·
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2

Graduate Can't quite grasp idea of Unpolarized Light, TE-TM Polarization

  • SmashtheVan
  • · Replies 2 ·
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2

Undergrad Why does a lens between slits and screen require parallel initial rays?

  • kahwawashay1
  • · Replies 7 ·
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7

High School Solar Spectrum: The source of sunlight

  • Aziz94
  • · Replies 1 ·
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1

Undergrad Furthest point at which light interferes

  • kahwawashay1
  • · Replies 4 ·
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4

Graduate Could a Nuetrino Laser Cause Damage Without Interacting Electromagnetically?

  • Albertgauss
  • · Replies 4 ·
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4

Undergrad Why do photons not pass straight through objects?

  • lntz
  • · Replies 4 ·
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4

Undergrad Can glare be vertically polarized in a natural environment?

  • indieindie85
  • · Replies 3 ·
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3

Graduate Nuclear Radius and Diffraction

  • esmeralda4
  • · Replies 8 ·
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8

Undergrad How can frequency be used to calculate refractive index?

  • Francy
  • · Replies 5 ·
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5

Undergrad Can Two Independent Lasers Create an Interference Pattern?

  • maxentropy
  • · Replies 14 ·
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14

Undergrad Can lasers cut 10 feet deep into rock and steel?

  • boogleboog
  • · Replies 2 ·
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2

High School What Oscillates in Light and What Are the Units of Measurement?

  • nhmllr
  • · Replies 4 ·
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4

Undergrad What Are Counter-Propagating Waves and Their Amplitude Scenarios?

  • XwakeriderX
  • · Replies 1 ·
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1

Undergrad Create Sunlight: Artificial Possibility?

  • bizzder
  • · Replies 3 ·
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3

Undergrad Sign conventions for two lenses in series

  • chitturp
  • · Replies 2 ·
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2

High School Angle of refraction snells law

  • kthejohnster
  • · Replies 3 ·
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3

High School What is the process called when metal is heated in a microwave oven?

  • zach88
  • · Replies 8 ·
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8

Undergrad What is the density of photons in a beam of light?

  • photonkid
  • · Replies 5 ·
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5

Undergrad What is the explanation for this diffraction pattern?

  • azdavesoul
  • · Replies 5 ·
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5

Undergrad LED Light - Beam Charactoristic?

  • Tea Jay
  • · Replies 6 ·
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6

Undergrad Polarity of Induced EMF in a Conducting Ring

  • samirgaliz
  • · Replies 23 ·
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23

Undergrad Converting reflection coefficient to polar form

  • fran1942
  • · Replies 1 ·
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1

Graduate Boundary conditions - Fresnel equations

  • spookyfw
  • · Replies 2 ·
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2

Graduate How does specular reflection in a mirror differ from diffuse reflection in white surfaces?

  • Islam Hassan
  • · Replies 1 ·
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Graduate Doing a research on aberrations in order to

  • Septim
  • · Replies 5 ·
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5

Graduate Are Beat Signals in Phase Modulation Really Zero Without Absorption?

  • Niles
  • · Replies 19 ·
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19

Undergrad Can Objects Travel at the Speed of Light?

  • KingNothing
  • · Replies 3 ·
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3

Graduate Can a 2x1 waveguide combiner avoid the 3dB loss for unpolarized light?

  • narra
  • · Replies 8 ·
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8

Undergrad Possible methods for measuring light absorption in optics experiment?

  • lucas1
  • · Replies 2 ·
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2

Graduate Orthogonally polarized beams do not interfere, do they beat?

  • reasonableman
  • · Replies 2 ·
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2

Undergrad Does walking on yellow or blue track receive more reflected sunlight?

  • LucasGB
  • · Replies 6 ·
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6

Graduate Adding incident and reflected waves in Fresnel equations

  • xiaoipower
  • · Replies 1 ·
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1

Graduate Superposition of light waves: 90 degrees out of phase, amplitude of resultant?

  • franco1991
  • · Replies 6 ·
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6

Undergrad What Is the Radius of Curvature in Optical Applications?

  • miltzi
  • · Replies 1 ·
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1

High School Why do we see a spectrum after Swimming?

  • anuragkanase
  • · Replies 3 ·
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3

The photon does have a lifespan?

  • artevolved
  • · Replies 5 ·
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5

Undergrad Light intensity of UV component from a xenon lamp

  • mkbh_10
  • · Replies 1 ·
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1

Graduate Optical determination of young's modulus.

  • Lizwi
  • · Replies 1 ·
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1

Graduate How close is a 2D Gaussian to an Airy disk?

  • omoplata
  • · Replies 5 ·
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5

Graduate Bragg's diffraction x ray flourescence

  • quietrain
  • · Replies 4 ·
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4

Graduate Uncertainty principle in classical optics

  • ShayanJ
  • · Replies 4 ·
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4

Undergrad Why is Diffraction dependent upon wavelength?

  • Ray12
  • · Replies 4 ·
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4

Undergrad What physics causes this mirror reflection?

  • cahillj
  • · Replies 5 ·
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5

Undergrad What is the lidar S-function and why is it used?

  • Fr34k
  • · Replies 3 ·
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3

High School Reviving a Dim Laser Pointer Life

  • Curl
  • · Replies 1 ·
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1

Graduate Is there a way to know how the amplitude of a wave will evolve?

  • SergioPL
  • · Replies 4 ·
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4

Graduate Why can light be polarized if it's a three-dimensional wave?

  • minio
  • · Replies 12 ·
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12

High School Why do I see halos and colored rings around street lights?

  • kamari rised
  • · Replies 3 ·
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3

Graduate Spontaneous emission in photonic crystals

  • fisico30
  • · Replies 2 ·
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2

Undergrad Constructing a Liquid Mirror using gallium,Indium, tin alloy

  • jaxart
  • · Replies 2 ·
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2

Undergrad The radii of the curvature of the spherical surfaces which is a lens

  • komal bisht
  • · Replies 2 ·
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2

Undergrad Why must monochromatic waves have constant amplitude and phase?

  • Niles
  • · Replies 20 ·
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20

Undergrad Speed of light - permeability?

  • lntz
  • · Replies 1 ·
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1

Undergrad Bio-Luminescent Light: Can It Light a Room?

  • bg93
  • · Replies 3 ·
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3

Undergrad Diffraction Grating: Effect of Wavelength Change on Pattern

  • moatasim23
  • · Replies 1 ·
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1

Graduate What are the units which I should use for these Rayleigh scattering equations?

  • Jonsson
  • · Replies 5 ·
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5

Graduate Wavelength, energy and photons.

  • John15
  • · Replies 28 ·
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28

Undergrad Focal length equation from Radii of Curvature and refractive index of lens

  • Snoopey
  • · Replies 1 ·
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1

High School Why does a wave-front need to be preserved (for light)?

  • Freespader
  • · Replies 1 ·
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1

Graduate Searching for problems in fiber, splicing or connector

  • mimonici
  • · Replies 3 ·
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3

Graduate Focal Curve of an Achromatic Doublet

  • joaocosta23
  • · Replies 6 ·
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6

Undergrad Why does a flat LED light create a hyperbolic curve on a surface?

  • Livethefire
  • · Replies 5 ·
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5

Graduate How is the Bragg condition satisfied for AOMs in a double pass configuration?

  • Niles
  • · Replies 2 ·
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2

Undergrad Degree of diffraction in single slits

  • throneoo
  • · Replies 2 ·
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2

Undergrad Which college offer Light and modern physics in summer?

  • 18376935
  • · Replies 1 ·
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1

High School Why doesn't reflected light interfere between objects and our eyes?

  • John15
  • · Replies 58 ·
2
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58

Undergrad Why Wavelength of Light Changes in Refraction

  • maizaz
  • · Replies 6 ·
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6

Undergrad Monochromatic and Coherent light

  • doubledouble
  • · Replies 12 ·
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12

High School Refractive index of different liquids

  • resurgance2001
  • · Replies 4 ·
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4

Undergrad Why doesn't a smooth white surface reflect like a mirror?

  • Bloo_Mec
  • · Replies 13 ·
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13

Graduate Does doppler effect affect ENERGY of photon?

  • ARAVIND113122
  • · Replies 6 ·
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6

High School Does Chrome Paint Make a Good Mirror?

  • erickulcyk
  • · Replies 5 ·
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5

Undergrad Huygens principle consequence of isotropy

  • jd12345
  • · Replies 3 ·
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3

Undergrad What are photons made of?

  • anj16
  • · Replies 29 ·
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29

Graduate Does the back focal plane show the image or the Fourier transform?

  • fisico30
  • · Replies 9 ·
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9

Undergrad Bending of waves around obstacles and the effect of wavelength

  • ARAVIND113122
  • · Replies 1 ·
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1

Undergrad Slit width order of wavelength

  • jd12345
  • · Replies 1 ·
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1

Undergrad A Clear LED emitting different coloured light?

  • Johnahh
  • · Replies 4 ·
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4

High School Can light be filtered using red fabric?

  • oem7110
  • · Replies 17 ·
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17

Undergrad What enables light to go at such speeds?

  • AbsoluteZer0
  • · Replies 4 ·
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4

Undergrad Calculating refractive index using lens

  • m~ray
  • · Replies 4 ·
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4

Undergrad How can I explain the mirage created from two parabolic mirrors?

  • superjose
  • · Replies 2 ·
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2

Undergrad Type of image from an afocal optical system

  • fisico30
  • · Replies 5 ·
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5