Optics Forum

Threads

Graduate Photon Bandwidth Frequency Limit: Determined?

  • Norman Graves
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1

Graduate Superpositon of energies vs. Superposition of forces

  • kmarinas86
  • · Replies 3 ·
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3

High School Mirrors would fog up if i didnt turn the fan on

  • nacho-man
  • · Replies 2 ·
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2

High School Why is food cooked differently by microwaves than by an infra-red grill?

  • myrtleza
  • · Replies 26 ·
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26

Graduate Does Light Bend or Slow Down Due to Gravity and Medium Interactions?

  • billw_willy
  • · Replies 1 ·
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Undergrad Does polarization affect the results of the 2-slit experiment

  • edguy99
  • · Replies 2 ·
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2

Graduate Why does a photon transfer only partial energy in Compton scattering?

  • Orman
  • · Replies 10 ·
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10

Undergrad Can sound waves undergo total internal reflection like light in diamonds?

  • Chaos' lil bro Order
  • · Replies 3 ·
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3

Graduate How do photons form in fire and electricity if positrons aren't present?

  • Eraniamayomii
  • · Replies 36 ·
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36

Undergrad Can light waves be represented as long skinny rays in computer programming?

  • edguy99
  • · Replies 4 ·
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4

High School Using mirrors to bend reflections around a wall

  • jamieebruno
  • · Replies 9 ·
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9

Undergrad How can I accurately measure the diameter of a hole using digital photography?

  • Irja
  • · Replies 2 ·
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2

Graduate How to Accurately Measure Backscattered Beta Particles?

  • Download341
  • · Replies 3 ·
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3

Undergrad Does Carrying a Cellphone on a Waist Belt Reduce Microwave Radiation to the Brain?

  • Abiologist
  • · Replies 3 ·
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3

Graduate How Does Image Formation at Infinity Work with Converging Lenses?

  • fisico30
  • · Replies 2 ·
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2

Undergrad Difference between refraction and reflection in optics and sound waves

  • Gear2d
  • · Replies 1 ·
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1

Undergrad Why does light travel at varying speeds through different materials?

  • azzkika
  • · Replies 6 ·
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6

Undergrad How to Interpret L, x, y in Color Transmittance Reports?

  • metalrock
  • · Replies 1 ·
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1

High School Magnification in a Convex Lens: + or -?

  • Gear2d
  • · Replies 1 ·
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1

Undergrad Ballistic and Bullet Flight Path Calculation

  • synsol
  • · Replies 1 ·
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1

Graduate CasebyCase: Halfing the amplitude of light

  • renrut13
  • · Replies 2 ·
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2

Graduate Polarization in Interferometry

  • matheyrichs
  • · Replies 7 ·
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7

Graduate How does rescattered light stay directed through a dense material?

  • Phalanx
  • · Replies 21 ·
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21

Undergrad What is the relation between refractive index and wavelength in a prism?

  • Christa
  • · Replies 11 ·
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11

High School What is Magnitude in Physics?

  • nehach
  • · Replies 12 ·
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12

Graduate What is the ideal refractive index difference for achieving invisibility?

  • lanik05
  • · Replies 3 ·
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3

Undergrad How does black absorb all the wavelengths?

  • mkbh_10
  • · Replies 9 ·
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9

Graduate Do Excited Molecules Emit the Same Frequency They Absorb?

  • caybo
  • · Replies 1 ·
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1

Undergrad Why does a thrown frisbee stay airborne longer than a stone?

  • kenewbie
  • · Replies 2 ·
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2

Undergrad Thin Film Interference: Finding m Value

  • LamyJamy
  • · Replies 1 ·
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1

Graduate Optics (Parallax and Luminosity)

  • tuoni
  • · Replies 7 ·
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7

High School Can light waves directly produce sound or music?

  • LadyLRae
  • · Replies 8 ·
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8

Undergrad Calculating Bouncing Velocity from Tangent Angle in 2D Collision

  • hadyn
  • · Replies 3 ·
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3

Graduate Speed of Wire faster than Speed of Light?

  • ooloo
  • · Replies 2 ·
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2

Undergrad Does frequency change when light enters a higher index of refraction?

  • Gear2d
  • · Replies 3 ·
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3

Undergrad How Does Lens Power Correction Work for Nearsightedness?

  • sixpence
  • · Replies 1 ·
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1

Graduate Speed of light in a superconductor

  • Domenicaccio
  • · Replies 4 ·
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4

Undergrad Relative Permittivity and Refractive Index

  • iLIKEstuff
  • · Replies 1 ·
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1

Undergrad Can anything travel faster than the speed of light?

  • therector24
  • · Replies 1 ·
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1

Undergrad Can you attain light speed where light doesn't exist?

  • offtheleft
  • · Replies 10 ·
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10

Undergrad Does a photon's speed reach zero when reflecting off a mirror?

  • TeeTeeKnow
  • · Replies 2 ·
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2

Graduate What Are Direction Cosines in Light Scattering Theory?

  • iLIKEstuff
  • · Replies 1 ·
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1

High School Question: Why Does Compressed Air Cause Refraction?

  • RagingPineapple
  • · Replies 3 ·
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3

Undergrad Dragon flight and whether it would be possible

  • huggy bear
  • · Replies 7 ·
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7

Physics Experiment Equipment Resource?

  • daniel29208
  • · Replies 2 ·
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2

High School Key experiments revealing the nature of light

  • lemonde
  • · Replies 1 ·
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1

Undergrad Does the Speed of Light Change depending on different Light Frequencies?

  • PhysicsEnthusiast
  • · Replies 15 ·
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15

High School Why Don't I Hear Thunder When I See Lightning?

  • tuananh3ap
  • · Replies 16 ·
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16

Graduate Question regarding thin film interference

  • ugresearcher
  • · Replies 6 ·
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6

High School How is physics involved in the application of cameras?

  • parcerita
  • · Replies 5 ·
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5

Undergrad Why is light intensity at the film proportional to 1/N² in a camera lens?

  • r4nd0m
  • · Replies 10 ·
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10

Undergrad Why Do Letters Appear Reversed in Mirrors but Words Don't?

  • madness
  • · Replies 13 ·
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13

How i can build a cheap and big Laser ?

  • ze-ro
  • · Replies 3 ·
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3

Microwaves and Weird Neighbors

  • M40
  • · Replies 16 ·
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16

High School What is the Difference Between a Microwave Cavity and Chamber?

  • hydro2008
  • · Replies 6 ·
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6

High School Will two adjacent mirrors show two reflections or one?

  • cookiecrunch9
  • · Replies 3 ·
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3

High School Why Does Reflected Light Get Polarized But Transmitted Light Does Not?

  • sivasayanth
  • · Replies 1 ·
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1

Undergrad Laser aiming device for straight cue delivery in billiards

  • andytoh
  • · Replies 16 ·
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16

Graduate Estimate the power of the laser on board of Darth Vader's Death Star

  • Count Iblis
  • · Replies 17 ·
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17
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High School Constructive Interference: Height Difference Matter?

  • Quantom
  • · Replies 5 ·
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5

Undergrad Why do widely separated lightning systems in Oregon have synchronized strike rates?

  • Ivan Seeking
  • · Replies 9 ·
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9

Graduate Can a single audio channel produce a 38000 Hz signal for IR transmission?

  • jumpjack
  • · Replies 2 ·
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2

High School Slight confusion about centripetal acceleration

  • ace123
  • · Replies 9 ·
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9

Undergrad Destructive Intereference Question

  • Quantom
  • · Replies 2 ·
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2

Undergrad Relationship between absorption and emission spectra

  • hechnal
  • · Replies 2 ·
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2

Undergrad How to detect the TE mode and TM mode?

  • yeyunxiaopan
  • · Replies 1 ·
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1

Undergrad Fermat's principle and Snell's law

  • Nick89
  • · Replies 17 ·
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17

Undergrad Two coherent beams crossing each other's path; what will be the effect?

  • plato_2
  • · Replies 24 ·
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24

Graduate Can alternating E and B fields at frequency f create visible light?

  • gareth
  • · Replies 7 ·
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7

High School How Can a Camera Be Made to Show Darkness Instead of Light?

  • briakei
  • · Replies 17 ·
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17

Undergrad Wave Equation in Space with Angle "p

  • prasannab13
  • · Replies 3 ·
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3

Undergrad How does the air polarise the light?

  • sharp910sh
  • · Replies 1 ·
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1

Undergrad How do I calculate the wavelength when combining two coherent laser beams?

  • engalaanabil
  • · Replies 4 ·
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4

Graduate Why does gas emit light, when light is shone on it?

  • sharp910sh
  • · Replies 4 ·
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4

Undergrad Consider a ray at the interface air and glass

  • Gamma
  • · Replies 1 ·
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1

Graduate Is it possible to make a gamma-ray laser?

  • Green Xenon [Radium]
  • · Replies 9 ·
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9

Undergrad Find the focal length of a concave lens using a convex lens?

  • jias
  • · Replies 3 ·
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3

Graduate Spherical wave in far field is a plane wave ?

  • broli86
  • · Replies 1 ·
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1

Undergrad Does Huygens principle violate energy conservation and cause beam spreading?

  • yoran
  • · Replies 12 ·
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12

Undergrad Resources for learning experimental laser lab procedures

  • ekrim
  • · Replies 2 ·
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2

High School Carbon footprint Turn your lights off - Does it really make a difference?

  • esmeralda4
  • · Replies 11 ·
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11

Undergrad Optical problem that eludes me

  • texnoz
  • · Replies 2 ·
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2

Undergrad Understanding Wave Refraction in Denser Media

  • Noj Werdna
  • · Replies 5 ·
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5

Undergrad Interference in thin films: why thin?

  • yoran
  • · Replies 2 ·
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2

Graduate Single slit diffraction / wave propagation

  • gcad
  • · Replies 1 ·
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1

High School Why is my face upside down on one side of a spoon?

  • wasia
  • · Replies 5 ·
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5

Graduate Can a photon travel forever without interacting with matter?

  • Ulysees
  • · Replies 4 ·
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4

Graduate Why can't you modulate light to shorter wavelengths like FM radio?

  • _Mayday_
  • · Replies 5 ·
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5

Graduate When is the term photon valid?

  • kwestion
  • · Replies 44 ·
2
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Graduate Deriving Velocity in Polar Coordinates

  • jbunten
  • · Replies 4 ·
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4

High School Building a telescope with 3 lenses and 1 mirror for class

  • Dgolverk
  • · Replies 2 ·
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2

Graduate What Is Zernike Mixing in Optical Materials?

  • mellifluidic
  • · Replies 1 ·
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1

Graduate Interference pattern from a streetlight ?

  • mangurian
  • · Replies 18 ·
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18

Graduate Problem with understanding polarization

  • neworder1
  • · Replies 1 ·
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1

High School Vibration Free Table for Holograms

  • NotMrX
  • · Replies 16 ·
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16

High School Why light from sun takes 8 minutes ?

  • mkbh_10
  • · Replies 9 ·
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9

Graduate Can gravity be used for teleportation if it acts instantaneously?

  • iedoc
  • · Replies 4 ·
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4

Undergrad Light intensity from a 300W bulb 50 feet away

  • switchex
  • · Replies 6 ·
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6

Graduate Why do we say photons travel ?

  • mkbh_10
  • · Replies 34 ·
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