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Undergrad Measuring Thickness and Refractive Index with Fourier Domain OCT

  • Mkyb242
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Graduate Is a single photon visible from all angles in empty space?

  • Allen_Wolf
  • · Replies 8 ·
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8

Undergrad What happens when a polarizer is tilted forward or backward?

  • Boomzxc
  • · Replies 6 ·
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6

Undergrad Optics Lab Project Holographic Weapon Sight

  • PatsyTy
  • · Replies 4 ·
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4

Undergrad Refraction Convergence and Amplitude change- Ocean waves

  • Tom79Tom
  • · Replies 8 ·
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8

Graduate Fraunhofer diffraction experiment- neural density filters

  • Strides
  • · Replies 7 ·
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7

Undergrad Plotting a far-field Intensity distribution

  • Strides
  • · Replies 5 ·
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5

Graduate A few questions about light and how things work

  • Ananki
  • · Replies 13 ·
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13

Graduate Oxygen 760nm spectroscopy - quick 'n' dirty

  • JGarry
  • · Replies 6 ·
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6

Undergrad Wave optics / Snell's law of refraction

  • Taseng Mancheykhun
  • · Replies 2 ·
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2

High School Why does green laser light reflect off a red object?

  • IATF
  • · Replies 7 ·
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7

Undergrad Cameras detecting Infrared and making it visible

  • DaTario
  • · Replies 17 ·
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17

Graduate Why different wavelengths for same color at different diffraction fringes

  • Const@ntine
  • · Replies 31 ·
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31

Graduate Proving Fermat's principle without calculus?

  • Nikhil Kumawat
  • · Replies 3 ·
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3

Undergrad Simple proof of Snell's law without calculus

  • shihab-kol
  • · Replies 10 ·
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10

Graduate Why does the pulse related to the inverted phase travel to the right?

  • Rodrigo Schmidt
  • · Replies 1 ·
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1

High School Combine lasers to make a single strong beam

  • dragonarm
  • · Replies 21 ·
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21

Graduate Inverse Square Law with Half Value Layers for X-Rays

  • Mtscorpion12
  • · Replies 3 ·
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3

High School Telescope with a pinhole as the Objective?

  • Frenemy90210
  • · Replies 18 ·
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18

Undergrad Intersecting 2 continuous laser in thin air to create a dot

  • GregoriusGery
  • · Replies 4 ·
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4

Graduate Longitudinal/transverse modes in optical cavity (resonator)

  • misko
  • · Replies 2 ·
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2

Undergrad Wave interference - coherence and wavelength

  • McCannKay
  • · Replies 7 ·
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7

Undergrad How does NASA achieve zero gravity on their zero gravity flights?

  • Jimmy87
  • · Replies 9 ·
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9

High School Why do antinodes move up and down in standing waves?

  • Ytfeza
  • · Replies 6 ·
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6

Undergrad How do interference and AR coatings work?

  • Karagoz
  • · Replies 14 ·
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14

High School What happens to absorbed colors in colored substances?

  • Karagoz
  • · Replies 3 ·
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3

Graduate Fourier-transform Infrared Spectroscopy Thin Film Thickness

  • Tian En
  • · Replies 9 ·
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9

Undergrad What does object space and image space mean in optics?

  • Dhanush Shivaramaiah
  • · Replies 6 ·
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6

Undergrad Does light refraction play a role in bubble iridescence?

  • Karagoz
  • · Replies 2 ·
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2

Undergrad Can Dispersive Media Be Modeled Effectively as Fields?

  • redtree
  • · Replies 2 ·
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2

Graduate Newton's laws in polar coordinates

  • MikeN232
  • · Replies 3 ·
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3

High School Does Brewster's Law Apply to Opaque Materials?

  • Vinith
  • · Replies 2 ·
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2

High School What are some limitations to Young's Double Slit Experiment?

  • iambadatscience
  • · Replies 1 ·
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1

Undergrad Depth of field phenomena -- distant objects visible through close objects

  • aliasz
  • · Replies 5 ·
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5

High School Slit Distance - Young's Double Slit Experiment

  • iambadatscience
  • · Replies 1 ·
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1

Graduate What software and equipment do I need to view scanned surface data?

  • Adriel
  • · Replies 2 ·
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2

Graduate Contrast-Calculation between two planes

  • QuestionsAsker101
  • · Replies 2 ·
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2

Undergrad Why does only the wire through the magnet cause rotation in a homopolar motor?

  • Low-Q
  • · Replies 2 ·
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2

Graduate How can I determine the length of a Multimode fiber?

  • mefisto
  • · Replies 1 ·
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High School Goldfish bowl illusion reflecting object from bottom to top

  • Nick Levinson
  • · Replies 2 ·
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2

Graduate How could the "size" of a photon be measured?

  • Jeff Root
  • · Replies 24 ·
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24

High School Experimental evidence that Snell's law is correct

  • goniahedron
  • · Replies 3 ·
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3

High School Reflection from smartphone screen

  • mainguy
  • · Replies 5 ·
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5

Undergrad Can reflected light be used to create an accurate spectrometer?

  • Bob3141592
  • · Replies 14 ·
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14

Undergrad Optical geometry of smartphone camera.

  • vitency
  • · Replies 3 ·
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3

Undergrad Can Light Accelerate When Changing Direction?

  • Lunct
  • · Replies 7 ·
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7

Undergrad Understanding Optical Transformations

  • fanieh
  • · Replies 5 ·
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5

High School Lenses and pinholes: what does in focus mean

  • stevendaryl
  • · Replies 11 ·
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11

Undergrad Unknown light-based Phenomenon

  • AFG
  • · Replies 12 ·
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12

Graduate Ikonal equation integration -- source code request

  • carlos-carlos
  • · Replies 3 ·
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3

Graduate Irradiance distribution of projected beam

  • moundman9
  • · Replies 9 ·
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9

High School Double Rainbows and the direction of their colors

  • lavinia
  • · Replies 22 ·
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22

Undergrad What properties allow me to see past Earth's curvature?

  • Duda
  • · Replies 3 ·
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3

High School What are the applications of H & K sheet polaroid?

  • Nikhil M Tomy
  • · Replies 5 ·
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5

Undergrad Strange Optical Phenomenon (diffraction or something else?)

  • Tazerfish
  • · Replies 26 ·
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26

Undergrad Does polarized light remain polarized after diffuse reflection?

  • SIM677
  • · Replies 6 ·
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6

Undergrad How Do Color Differences Affect Wall Surface Temperatures?

  • john_scott
  • · Replies 7 ·
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7

Graduate What is the gradient in polar coordinates?

  • SeM
  • · Replies 3 ·
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3

Graduate What do polarisation lens block?

  • TT0
  • · Replies 4 ·
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4

What is the cause of this sound from the tube light?

  • Wrichik Basu
  • · Replies 8 ·
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8

Undergrad What topics are best for study of how gravity light works?

  • stargateengineer
  • · Replies 10 ·
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10

High School Sunlight absorption spectrum and colors in sunlight

  • Karagoz
  • · Replies 7 ·
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7

Graduate Wave properties from the differential equation of a wave

  • sanpokhrel
  • · Replies 3 ·
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3

High School Do light and sound waves roll up and break like ocean waves?

  • Dilema
  • · Replies 52 ·
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Undergrad Apparent depth when two or more refracting surfaces are present

  • esha
  • · Replies 3 ·
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3

Undergrad Diffraction work differently on water waves vs light waves?

  • Karagoz
  • · Replies 6 ·
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6

High School Measuring hair width using wave diffraction with lasers

  • E11ie
  • · Replies 6 ·
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6

High School Is it possible to bend a laser beam?

  • Prabesh Pokharel
  • · Replies 15 ·
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15

Undergrad Does reflecting light back through a crystal compensate birefringent walkoff?

  • quackyneudle
  • · Replies 2 ·
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2

Undergrad Why does red food coloring look green when it dries?

  • Happy Scientist
  • · Replies 7 ·
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7

Undergrad Ellipsometry- why is UV better than Visible light?

  • lcr2139
  • · Replies 3 ·
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3

Graduate Light-beam propagation across impassable barrier?

  • Pelion
  • · Replies 23 ·
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23

Undergrad Light reflecting inside a glass hemisphere

  • Imagin_e
  • · Replies 3 ·
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3

Undergrad F-ratio Calculation for Telescope Cover Modification

  • mishima
  • · Replies 23 ·
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23

High School How does the wavelength change the amount of refraction?

  • Muggo
  • · Replies 6 ·
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6

Undergrad Why does an etalon with 99% reflective coatings transmit nearly all light?

  • HermanTheGerman
  • · Replies 7 ·
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7

High School What is the Relationship Between Candelas, Watts, and Brightness?

  • guyburns
  • · Replies 8 ·
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8

Undergrad Can a vector with zero magnitude have certain direction?

  • songoku
  • · Replies 12 ·
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12

Graduate Can a laser induce oscillating current in an antenna to produce sound?

  • jaydnul
  • · Replies 8 ·
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8

Graduate Closely-Spaced Modes in Birefringent Single-Mode Fibers?

  • Twigg
  • · Replies 5 ·
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5

Undergrad How does changing projector lenses affect brightness?

  • guyburns
  • · Replies 15 ·
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15

Undergrad Lower microwave absorption efficiency to increase penetration (cooking)

  • seanspotatobusiness
  • · Replies 11 ·
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11

High School Objects smaller with distance (again)

  • Benjamin Fergus-grey
  • · Replies 8 ·
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8

Graduate Does the Photon Defy the Rules of Special Relativity?

  • mpolo
  • · Replies 17 ·
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17

Undergrad On an object's size vs distance relation

  • davidge
  • · Replies 7 ·
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7

High School If lasers cross-over, do they "add up"

  • Observeraren
  • · Replies 8 ·
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8

Undergrad Can violet lasers trick our eyes into seeing white?

  • Daniel Petka
  • · Replies 9 ·
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9

Graduate Use of a half wave plate plus polarizer to attenuate lasers?

  • IMESS
  • · Replies 2 ·
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2

Undergrad Why do metals have lustrous specular reflection rather than diffuse reflection?

  • shihab-kol
  • · Replies 6 ·
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6

Undergrad Light bulbs -- is there a continuous wave spreading out?

  • ImNotOliver
  • · Replies 12 ·
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12

Undergrad Difference between bandpass and limiting resolution in spectrometers

  • Ecthe
  • · Replies 7 ·
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7

Graduate How Did Light and Oxygen Influence the Evolution of Eyes and Lungs?

  • Mazeikas
  • · Replies 3 ·
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3

Graduate How does one dimensional light warp multiple dimensions?

  • Mazeikas
  • · Replies 12 ·
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12

Graduate Does black-body radiation come from spontaneous and stimulated emission?

  • EspressoDan
  • · Replies 1 ·
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1

Undergrad Uses for laser light in measuring hair width

  • NaukowiecGirl
  • · Replies 5 ·
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5

High School What type of spectrum is a rainbow?

  • Likith D
  • · Replies 22 ·
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22

Graduate Dependence of index of refraction on frequency

  • timetraveller123
  • · Replies 15 ·
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15

Graduate Light in a medium: do phonons store light energy?

  • Habeebe
  • · Replies 1 ·
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1

Undergrad Order Maxima under the Fraunhofer Envelope

  • Zibi04
  • · Replies 1 ·
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1

Undergrad Can a glass prism measure an object's speed, temperature, and size from its spectrum?

  • ISamson
  • · Replies 3 ·
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3