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Graduate Fresnel Reflection and Transmission Coefficients

May 2, 2009 · Replies 1 · May 2, 2009

Replies: 1

Views: 9K

High School Why Is the Sky Blue Due to Light Scattering?

Apr 30, 2009 · Replies 11 · May 1, 2009

Replies: 11

Views: 4K

Graduate How does quantization of energy solve the ultraviolet catastrophe?

Apr 30, 2009 · Replies 3 · Apr 30, 2009

Replies: 3

Views: 4K

Undergrad How to calculate Microwave Power

Apr 30, 2009 · Replies 1 · Apr 30, 2009

Replies: 1

Views: 8K

Undergrad Pinhole Diffraction results - Young's Experiment

Apr 28, 2009 · Replies 1 · Apr 28, 2009

Replies: 1

Views: 9K

Graduate Wouldn't traveling at the speed of light implode the universe

May 5, 2005 · Replies 9 · Apr 27, 2009

Replies: 9

Views: 4K

Graduate Speed of light should depend on the amplitude of the waveform?

Apr 26, 2009 · Replies 3 · Apr 27, 2009

Replies: 3

Views: 3K

High School Will Light Bend When Reaching a Black Hole?

Apr 23, 2009 · Replies 6 · Apr 27, 2009

Replies: 6

Views: 3K

High School Young's double slit experiment decreasing distance

Apr 27, 2009 · Replies 1 · Apr 27, 2009

Replies: 1

Views: 3K

Undergrad Uncovering the Mystery of Constant Velocity

Apr 18, 2009 · Replies 30 · Apr 26, 2009

2

Replies: 30

Views: 4K

High School Light reflection by traffic light after rain

Apr 25, 2009 · Replies 2 · Apr 25, 2009

Replies: 2

Views: 4K

Undergrad Understanding Mix Polarization: A Primer for Beginners

Apr 19, 2009 · Replies 4 · Apr 23, 2009

Replies: 4

Views: 2K

Graduate Solving Antenna Polarization Issues with Ray Tracing

Apr 22, 2009 · Replies 15 · Apr 23, 2009

Replies: 15

Views: 7K

Undergrad Optics - why chromatic aberrations

Apr 20, 2009 · Replies 15 · Apr 23, 2009

Replies: 15

Views: 6K

Graduate Amplitude change of light during refraction

Apr 21, 2009 · Replies 4 · Apr 22, 2009

Replies: 4

Views: 16K

High School What is the Smallest Possible Wavelength of Light?

Apr 20, 2009 · Replies 4 · Apr 21, 2009

Replies: 4

Views: 19K

High School What color would a green cloth appear in yellow light

Apr 19, 2009 · Replies 2 · Apr 19, 2009

Replies: 2

Views: 3K

High School Interference of Waves Lab: Teach Grade 12 Physics

Apr 18, 2009 · Replies 1 · Apr 19, 2009

Replies: 1

Views: 4K

Graduate Experimental Polarization Techniques

Apr 9, 2009 · Replies 3 · Apr 17, 2009

Replies: 3

Views: 2K

Graduate Does a Photon Have a Physical Size?

Apr 16, 2009 · Replies 1 · Apr 16, 2009

Replies: 1

Views: 2K

Undergrad How do light bulbs really work

Apr 15, 2009 · Replies 5 · Apr 15, 2009

Replies: 5

Views: 3K

Graduate How do you reconcile EM fields with frequency of light?

Apr 13, 2009 · Replies 10 · Apr 14, 2009

Replies: 10

Views: 3K

Graduate Shear Interferometer to test collimation

Apr 9, 2009 · Replies 3 · Apr 14, 2009

Replies: 3

Views: 4K

Undergrad What factors affect the coherence of waves?

Apr 11, 2009 · Replies 4 · Apr 13, 2009

Replies: 4

Views: 11K

High School Laser Experiments at Home - Helium Neon 1mW

Apr 8, 2009 · Replies 14 · Apr 11, 2009

Replies: 14

Views: 3K

Undergrad Is the World Actually Colorless?

Apr 7, 2009 · Replies 25 · Apr 10, 2009

Replies: 25

Views: 14K

Undergrad Help with Optics: UVA-340 Lighting & Transmissive Materials

Apr 5, 2009 · Replies 6 · Apr 9, 2009

Replies: 6

Views: 2K

Graduate Gravity Lensing & Photons: Massless Interaction?

Apr 9, 2009 · Replies 6 · Apr 9, 2009

Replies: 6

Views: 3K

High School Light and Surfaces: What's the Story?

Apr 9, 2009 · Replies 6 · Apr 9, 2009

Replies: 6

Views: 2K

Undergrad Beam emergence from cylindrical lens

Apr 7, 2009 · Replies 2 · Apr 9, 2009

Replies: 2

Views: 2K

Graduate Calculating the EM Field around a Moving Charge

Apr 3, 2009 · Replies 11 · Apr 8, 2009

Replies: 11

Views: 2K

Undergrad Interference Pattern w/ D ~ d: Qualitative Analysis

Apr 3, 2009 · Replies 4 · Apr 8, 2009

Replies: 4

Views: 10K

Graduate Differential Cross-Section: What is it and Why Does it Matter?

Apr 7, 2009 · Replies 3 · Apr 8, 2009

Replies: 3

Views: 6K

Graduate Can conjugate images be used in place of dark field filters?

Apr 7, 2009 · Replies 3 · Apr 7, 2009

Replies: 3

Views: 2K

Undergrad [Q] Do you understand what is numerical aperture and f number?

Apr 7, 2009 · Replies 1 · Apr 7, 2009

Replies: 1

Views: 3K

High School What is the meaning of co-propagating beam?

Apr 7, 2009 · Replies 1 · Apr 7, 2009

Replies: 1

Views: 8K

Graduate Force of gravity between photon and earth

Apr 6, 2009 · Replies 4 · Apr 7, 2009

Replies: 4

Views: 2K

Undergrad Optics Equation: What Assumptions Lead to n1f1=-n2f2?

Apr 6, 2009 · Replies 2 · Apr 6, 2009

Replies: 2

Views: 2K

High School Lens can focus the light to a smaller spot by ?

Apr 4, 2009 · Replies 3 · Apr 6, 2009

Replies: 3

Views: 4K

Undergrad Prove how focus of a spherical mirror = Radius of curvature/2

Apr 5, 2009 · Replies 4 · Apr 6, 2009

Replies: 4

Views: 49K

Graduate What Are the Latest Laser Cooling Techniques for Nd:YAG Lasers?

Apr 1, 2009 · Replies 6 · Apr 6, 2009

Replies: 6

Views: 4K

Undergrad Angle Of Deviation - An Optics Problem, help needed in optics

Apr 5, 2009 · Replies 6 · Apr 6, 2009

Replies: 6

Views: 8K

High School Why is visible light invisible?

Apr 5, 2009 · Replies 5 · Apr 6, 2009

Replies: 5

Views: 16K

Graduate Wave Polarization: Can EM Wave Be Circular & Horiz?

Apr 5, 2009 · Replies 3 · Apr 5, 2009

Replies: 3

Views: 3K

High School How far does red light travel.

Apr 5, 2009 · Replies 6 · Apr 5, 2009

Replies: 6

Views: 7K

Graduate [Q] The way of phase shifting of reflection light

Apr 2, 2009 · Replies 1 · Apr 3, 2009

Replies: 1

Views: 3K

Undergrad Experimenting the Speed of Light with Optical Fibers

Mar 19, 2009 · Replies 6 · Apr 2, 2009

Replies: 6

Views: 6K

Graduate Shadow Edge in Vacuum: Intensity & Wavelength

Apr 1, 2009 · Replies 2 · Apr 1, 2009

Replies: 2

Views: 2K

Undergrad Understand Cylindrical Lens Imaging & Refs

Mar 27, 2009 · Replies 7 · Mar 31, 2009

Replies: 7

Views: 7K

Undergrad Knowing the frequency of light

Mar 30, 2009 · Replies 4 · Mar 30, 2009

Replies: 4

Views: 3K

Undergrad Huygens-Fresnel principle and Diffraction

Mar 29, 2009 · Replies 1 · Mar 29, 2009

Replies: 1

Views: 6K

Graduate Rutherford Scattering in Landau book

Mar 28, 2009 · Replies 1 · Mar 28, 2009

Replies: 1

Views: 3K

Undergrad What Are the Key Flight Formulas and Forces Affecting Aircraft Stability?

Mar 24, 2009 · Replies 8 · Mar 28, 2009

Replies: 8

Views: 14K

Graduate Does a Photon Change Speed When Hitting an Electron?

Mar 27, 2009 · Replies 9 · Mar 28, 2009

Replies: 9

Views: 7K

High School Endless Light: A Look Into the Sphere of One Way Mirrors

Mar 27, 2009 · Replies 2 · Mar 28, 2009

Replies: 2

Views: 3K

Undergrad What is the process of photon emission in atoms?

Mar 26, 2009 · Replies 24 · Mar 27, 2009

Replies: 24

Views: 4K

High School Why does Gravity affects Light?

Mar 27, 2009 · Replies 3 · Mar 27, 2009

Replies: 3

Views: 22K

Undergrad Optical/Observational Perspective Question

Mar 26, 2009 · Replies 6 · Mar 26, 2009

Replies: 6

Views: 2K

Undergrad Why do light bulbs don't explode?

Mar 25, 2009 · Replies 17 · Mar 26, 2009

Replies: 17

Views: 7K

Graduate Would love some clarification with optics

Mar 21, 2009 · Replies 7 · Mar 26, 2009

Replies: 7

Views: 3K

High School Question About Light and Nearsightedness

Mar 25, 2009 · Replies 10 · Mar 26, 2009

Replies: 10

Views: 3K

Undergrad Can Light Wave Interference Affect Our Perception of Stars?

Mar 25, 2009 · Replies 4 · Mar 26, 2009

Replies: 4

Views: 2K

Undergrad Optical light transmission through a coating

Mar 24, 2009 · Replies 3 · Mar 25, 2009

Replies: 3

Views: 3K

High School How can I make a telescope eyepiece

Mar 24, 2009 · Replies 2 · Mar 25, 2009

Replies: 2

Views: 2K

Undergrad Diffraction of water wave vs diffraction of light wave

Mar 23, 2009 · Replies 6 · Mar 25, 2009

Replies: 6

Views: 7K

Graduate Reflectance to Status A Density; How to convert?

Mar 24, 2009 · Replies 1 · Mar 24, 2009

Replies: 1

Views: 3K

Graduate How Do Polarizations Interfere in a Sagnac Interferometer?

Mar 20, 2009 · Replies 5 · Mar 24, 2009

Replies: 5

Views: 5K

Undergrad Do light waves change over distance within a vacuum?

Mar 23, 2009 · Replies 5 · Mar 24, 2009

Replies: 5

Views: 4K

High School Can Light Waves Inside an Air-Tight Box be Reduced to Zero?

Mar 23, 2009 · Replies 6 · Mar 23, 2009

Replies: 6

Views: 2K

Graduate Judging distance of a light source

Mar 21, 2009 · Replies 6 · Mar 22, 2009

Replies: 6

Views: 3K

High School Why Does a Projected Black Background Not Make a White Screen Look Black?

Mar 21, 2009 · Replies 8 · Mar 21, 2009

Replies: 8

Views: 2K

Graduate Rigorous Coupled Wave Analisys - help

Mar 21, 2009 · Replies 4 · Mar 21, 2009

Replies: 4

Views: 2K

High School Light & Mirrors: What's Reflected & Absorbed?

Mar 20, 2009 · Replies 1 · Mar 20, 2009

Replies: 1

Views: 2K

Graduate Can Light and Gravity Cause a Scale to Register Weight?

Mar 18, 2009 · Replies 4 · Mar 18, 2009

Replies: 4

Views: 2K

Undergrad Diffraction grating for astronomy?

Mar 18, 2009 · Replies 3 · Mar 18, 2009

Replies: 3

Views: 4K

Undergrad How Do You Calculate the Minimum Gaussian Beam Waist?

Mar 15, 2009 · Replies 1 · Mar 15, 2009

Replies: 1

Views: 6K

High School Light Physics Basics: Questions & Answers for Beginners

Mar 13, 2009 · Replies 11 · Mar 15, 2009

Replies: 11

Views: 3K

Graduate Light used to capture anti-matter

Mar 15, 2009 · Replies 2 · Mar 15, 2009

Replies: 2

Views: 2K

Undergrad Why is the speed of light defined as C in our universe?

Mar 14, 2009 · Replies 15 · Mar 15, 2009

Replies: 15

Views: 28K

Undergrad Understanding the Doppler Effect of Light: How Speed Impacts Color Perception

Mar 14, 2009 · Replies 5 · Mar 14, 2009

Replies: 5

Views: 3K

Undergrad Most Powerful Continuous Laser

Mar 13, 2009 · Replies 1 · Mar 14, 2009

Replies: 1

Views: 7K

Graduate Understanding TE Mode in Waveguides: Effects of Linear Polarization

Mar 13, 2009 · Replies 3 · Mar 13, 2009

Replies: 3

Views: 5K

High School Can Real Images Be Viewed Without a Screen?

Mar 12, 2009 · Replies 1 · Mar 12, 2009

Replies: 1

Views: 3K

Graduate Optimizing Lead Shielding for Gamma Radiation Protection

Mar 9, 2009 · Replies 6 · Mar 11, 2009

Replies: 6

Views: 3K

Graduate Can we power a light bulb with positrons?

Mar 10, 2009 · Replies 8 · Mar 11, 2009

Replies: 8

Views: 3K

Graduate How Does Light Interact with Different Media According to Quantum Mechanics?

Jan 9, 2009 · Replies 3 · Mar 11, 2009

Replies: 3

Views: 3K

Undergrad Dark field imaging - what would be a good sample?

Mar 10, 2009 · Replies 1 · Mar 11, 2009

Replies: 1

Views: 2K

Graduate Does the concept of force apply to photons without a measurable mass?

Mar 7, 2009 · Replies 20 · Mar 10, 2009

Replies: 20

Views: 8K

High School Why does total internal reflection happen in glass?

Mar 8, 2009 · Replies 4 · Mar 10, 2009

Replies: 4

Views: 3K

Graduate Earnshaw's Theorem and a photon

Mar 10, 2009 · Replies 6 · Mar 10, 2009

Replies: 6

Views: 5K

Undergrad GPS Physics: Reflection & Signal Acquisition

Mar 4, 2009 · Replies 21 · Mar 10, 2009

Replies: 21

Views: 18K

Undergrad What happens if the path difference is not a multiple of lambda?

Mar 9, 2009 · Replies 1 · Mar 9, 2009

Replies: 1

Views: 3K

Undergrad Optics, lenses, and light reflection

Mar 3, 2009 · Replies 5 · Mar 6, 2009

Replies: 5

Views: 6K

Undergrad Matter @ speed of light and e=mc^2

Mar 4, 2009 · Replies 8 · Mar 5, 2009

Replies: 8

Views: 3K

Undergrad Does speed of light also mean strength of light?

Mar 3, 2009 · Replies 4 · Mar 4, 2009

Replies: 4

Views: 4K

Graduate What is a Diffraction Limited Spot in Fluorescent Molecule Imaging?

Mar 3, 2009 · Replies 4 · Mar 3, 2009

Replies: 4

Views: 16K

Graduate (distance)(speed of light)^2 = speed of time with units

May 6, 2008 · Replies 2 · Mar 2, 2009

Replies: 2

Views: 2K

High School Why can't we see the image in perpendicular light?

Jan 12, 2009 · Replies 7 · Mar 1, 2009

Replies: 7

Views: 4K

Graduate Photon Guns: Is It Possible to Shoot One Photon at a Time?

Feb 26, 2009 · Replies 8 · Feb 28, 2009

Replies: 8

Views: 6K

High School How many materials follows TOTAL INTERNLAL REFLECTION

Feb 26, 2009 · Replies 1 · Feb 27, 2009

Replies: 1

Views: 2K

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