Menu

Navigation

More options

Style variation

Contact us

Optics Forum

Filters

Graduate Modulated Light and Doppler effect

May 13, 2008 · Replies 11 · May 15, 2008

Replies: 11

Views: 5K

High School Flight of projectiles from a rifle

May 13, 2008 · Replies 5 · May 14, 2008

Replies: 5

Views: 4K

Graduate Compute Solar Reflection from Parabolic Trough | Hi Everyone

Apr 21, 2008 · Replies 3 · May 12, 2008

Replies: 3

Views: 4K

Undergrad Understanding Absorption and Transmission in Spectroscopy

Mar 11, 2006 · Replies 12 · May 12, 2008

Replies: 12

Views: 28K

High School What are the amplitudes called for blue visible light, and microwaves?

May 11, 2008 · Replies 3 · May 11, 2008

Replies: 3

Views: 3K

Undergrad Phase, Phase Difference and Phase Shift

May 5, 2008 · Replies 6 · May 9, 2008

Replies: 6

Views: 33K

High School The Color of a Mirror: A Physics Discussion

May 8, 2008 · Replies 8 · May 9, 2008

Replies: 8

Views: 3K

Graduate Increasing the divergence of a laser.

May 6, 2008 · Replies 1 · May 7, 2008

Replies: 1

Views: 3K

High School Please explain the cause of the laser speckle pattern

May 6, 2008 · Replies 1 · May 6, 2008

Replies: 1

Views: 2K

High School Why cant we obtain a virtual image on a screen?

May 4, 2008 · Replies 5 · May 4, 2008

Replies: 5

Views: 12K

Undergrad Finding the Index of Refraction from Pressure & Temp

May 3, 2008 · Replies 7 · May 3, 2008

Replies: 7

Views: 3K

Undergrad Why can’t longitudinal waves be polarized?

May 1, 2008 · Replies 2 · May 2, 2008

Replies: 2

Views: 11K

Graduate Why do photons travel at the speed of light without having mass?

May 1, 2008 · Replies 2 · May 1, 2008

Replies: 2

Views: 3K

Undergrad Casting a Large, Sharp Shadow Through Lace

Apr 27, 2008 · Replies 10 · May 1, 2008

Replies: 10

Views: 9K

High School Cellphone rings inside microwave oven

Apr 30, 2008 · Replies 2 · Apr 30, 2008

Replies: 2

Views: 13K

Undergrad Energy conservation in wave interference

Feb 26, 2006 · Replies 7 · Apr 30, 2008

Replies: 7

Views: 9K

Graduate Interaction of modulated lasers

Apr 27, 2008 · Replies 1 · Apr 28, 2008

Replies: 1

Views: 2K

Graduate Help regarding 'Interferogram Phase Correction'

Apr 27, 2008 · Replies 1 · Apr 28, 2008

Replies: 1

Views: 2K

Graduate Atmospheric Scattering Problem

Apr 27, 2008 · Replies 1 · Apr 28, 2008

Replies: 1

Views: 2K

Undergrad Solving Thin Film Problem: Wavelength in Visible Spectrum

Apr 27, 2008 · Replies 2 · Apr 27, 2008

Replies: 2

Views: 6K

Undergrad Confused about Polarity of Induced EMF (Lenz Law)

Apr 26, 2008 · Replies 6 · Apr 27, 2008

Replies: 6

Views: 15K

High School Optical pyrometers - advantages and disadvantages?

Apr 23, 2008 · Replies 2 · Apr 24, 2008

Replies: 2

Views: 10K

High School How Do Light Rays and Mirror Equations Affect Image Formation?

Apr 24, 2008 · Replies 3 · Apr 24, 2008

Replies: 3

Views: 9K

Undergrad Does light speed apply to all waves traveling in vacuum?

Apr 23, 2008 · Replies 13 · Apr 24, 2008

Replies: 13

Views: 8K

Undergrad Snell's Law: Origins and Applications

Apr 23, 2008 · Replies 1 · Apr 23, 2008

Replies: 1

Views: 3K

Graduate What lens shape gives perfect focus?

Apr 21, 2008 · Replies 9 · Apr 23, 2008

Replies: 9

Views: 8K

Undergrad Can Light Move Faster Than the Speed of Light on a Huge Circular Screen?

Apr 22, 2008 · Replies 10 · Apr 23, 2008

Replies: 10

Views: 3K

High School What Would a Universe Without Light Look Like?

Apr 19, 2008 · Replies 17 · Apr 21, 2008

Replies: 17

Views: 10K

What does a light bulb in vacuum look like?

Apr 19, 2008 · Replies 11 · Apr 21, 2008

Replies: 11

Views: 4K

High School Create a Stage-Ready Lantern: Step-by-Step Guide with Available Parts

Apr 19, 2008 · Replies 1 · Apr 21, 2008

Replies: 1

Views: 2K

High School Convex Lens and Light Refraction

Apr 20, 2008 · Replies 4 · Apr 20, 2008

Replies: 4

Views: 3K

Graduate Can Light's Acceleration Be Changed?

Apr 18, 2008 · Replies 11 · Apr 20, 2008

Replies: 11

Views: 3K

Undergrad What causes a boomerang to flatten out in flight

Apr 19, 2008 · Replies 1 · Apr 20, 2008

Replies: 1

Views: 2K

Undergrad Is it possible to build a toy boat powered by high-power LEDs?

Apr 19, 2008 · Replies 2 · Apr 19, 2008

Replies: 2

Views: 3K

Graduate Why does a (laser) light beam not disperse?

Apr 16, 2008 · Replies 6 · Apr 19, 2008

Replies: 6

Views: 12K

Graduate Optics & Projection: Questions on Triplet Lens & LCD Panel

Apr 15, 2008 · Replies 6 · Apr 17, 2008

Replies: 6

Views: 4K

Undergrad Light transmission through glass.

Apr 17, 2008 · Replies 5 · Apr 17, 2008

Replies: 5

Views: 18K

Undergrad Path difference and phase difference.

Jun 14, 2004 · Replies 3 · Apr 17, 2008

Replies: 3

Views: 39K

High School How far the light can be shine?

Apr 11, 2008 · Replies 13 · Apr 16, 2008

Replies: 13

Views: 7K

Graduate [thin films] (Macleod's) phase-shift upon reflection

Apr 14, 2008 · Replies 1 · Apr 14, 2008

Replies: 1

Views: 4K

Graduate Collimating beam with optical axis

Apr 13, 2008 · Replies 2 · Apr 14, 2008

Replies: 2

Views: 4K

High School Good resource for understanding light waves?

Apr 13, 2008 · Replies 8 · Apr 14, 2008

Replies: 8

Views: 3K

Graduate Does the Photon Mass of the Universe Add Up?

Apr 12, 2008 · Replies 6 · Apr 13, 2008

Replies: 6

Views: 3K

Graduate Do Photons Decay? Cosmic Event Horizons Explained

Apr 12, 2008 · Replies 5 · Apr 13, 2008

Replies: 5

Views: 3K

Undergrad What is the speed of light measured relative to?

Apr 12, 2008 · Replies 14 · Apr 13, 2008

Replies: 14

Views: 3K

Dandelion turned white in elevator light

Apr 12, 2008 · Replies 3 · Apr 13, 2008

Replies: 3

Views: 3K

High School Why farther objects appears smaller?

Apr 8, 2008 · Replies 28 · Apr 11, 2008

Replies: 28

Views: 28K

Undergrad Superposition, interference and mathematical description

Apr 6, 2008 · Replies 5 · Apr 11, 2008

Replies: 5

Views: 3K

Undergrad Photon momentum and lasers transfering energy

Apr 9, 2008 · Replies 19 · Apr 11, 2008

Replies: 19

Views: 5K

Undergrad If something moved at the speed of light

Apr 8, 2008 · Replies 4 · Apr 10, 2008

Replies: 4

Views: 3K

Graduate An assumption about the speed of light I .

Apr 7, 2008 · Replies 8 · Apr 10, 2008

Replies: 8

Views: 3K

Undergrad Can I Determine Unknown Sample Concentration Using Absorption Spectroscopy?

Apr 10, 2008 · Replies 1 · Apr 10, 2008

Replies: 1

Views: 3K

Graduate Using Quarter Wave Plate in Microscopy: Hanan's Question

Sep 27, 2005 · Replies 5 · Apr 10, 2008

Replies: 5

Views: 7K

Undergrad Total internal reflection (T.I.R.)

Apr 9, 2008 · Replies 4 · Apr 9, 2008

Replies: 4

Views: 4K

Graduate Can something exceed the speed of light?

Apr 9, 2008 · Replies 4 · Apr 9, 2008

Replies: 4

Views: 4K

Undergrad Reflection Diffraction Gratings

Apr 8, 2008 · Replies 1 · Apr 8, 2008

Replies: 1

Views: 3K

Graduate Help evaluate the ball lightning energy

Apr 7, 2008 · Replies 1 · Apr 8, 2008

Replies: 1

Views: 2K

Graduate Fabry-Perot Cavity: Energy and Round Trip Phase Dynamics

Apr 6, 2008 · Replies 1 · Apr 7, 2008

Replies: 1

Views: 7K

Undergrad CO2 laser and sigarette smoke question

Apr 7, 2008 · Replies 5 · Apr 7, 2008

Replies: 5

Views: 2K

Undergrad Does Opaque Material Block Laser Radiation?

Apr 5, 2008 · Replies 6 · Apr 7, 2008

Replies: 6

Views: 3K

Graduate How Does Temperature Gradient Affect Refractive Index in Fluid Thermodynamics?

Apr 3, 2008 · Replies 7 · Apr 7, 2008

Replies: 7

Views: 4K

Graduate Non-Collimated Beam Effects on Gratings

Apr 6, 2008 · Replies 1 · Apr 6, 2008

Replies: 1

Views: 2K

High School Why does a rainbow form an arc shape?

Apr 3, 2008 · Replies 2 · Apr 3, 2008

Replies: 2

Views: 11K

Undergrad Formula for Paper Airplane Flight?

Apr 2, 2008 · Replies 4 · Apr 2, 2008

Replies: 4

Views: 10K

Undergrad Manipulating Light Wavelengths: Can Light Be Shortened?

Jan 25, 2008 · Replies 13 · Apr 1, 2008

Replies: 13

Views: 8K

High School Determining Focal Length of Convex Lens Without Apparatus

Mar 30, 2008 · Replies 1 · Mar 31, 2008

Replies: 1

Views: 4K

Graduate Pentration of light in cladding from a waveguide

Mar 7, 2008 · Replies 15 · Mar 30, 2008

Replies: 15

Views: 3K

High School Why does light intensity decrease when light passes through a glass block?

Mar 27, 2008 · Replies 7 · Mar 30, 2008

Replies: 7

Views: 22K

Graduate Vector of magnitude m making angles alpha, beta and gamma with i,j,k

Mar 21, 2008 · Replies 13 · Mar 30, 2008

Replies: 13

Views: 21K

Undergrad So I was thinking about Light, right ?

Mar 12, 2008 · Replies 8 · Mar 29, 2008

Replies: 8

Views: 2K

Undergrad Huygen's Principle: Understanding Light Diffraction and Refraction in Materials

Feb 14, 2008 · Replies 9 · Mar 29, 2008

Replies: 9

Views: 6K

Undergrad Reflection of light - the physics of a mirror

Mar 29, 2008 · Replies 3 · Mar 29, 2008

Replies: 3

Views: 3K

Undergrad How Is the Formula for Radiation Pressure on a Reflecting Surface Derived?

Mar 28, 2008 · Replies 1 · Mar 28, 2008

Replies: 1

Views: 3K

Graduate Laser through optic fiber - out before through

Mar 26, 2008 · Replies 7 · Mar 28, 2008

Replies: 7

Views: 4K

Graduate Comparing Radio and Light Waves: Is EM Radiation Misleading?

Mar 23, 2008 · Replies 18 · Mar 27, 2008

Replies: 18

Views: 20K

Undergrad Does light have the ability to choose its path using Fermat's principle?

Mar 24, 2008 · Replies 2 · Mar 25, 2008

Replies: 2

Views: 4K

High School Where Can I Find a Large Concave Mirror for Heating Water?

Mar 23, 2008 · Replies 1 · Mar 25, 2008

Replies: 1

Views: 2K

Undergrad Intensities and magnitudes in natural science

Mar 20, 2008 · Replies 1 · Mar 21, 2008

Replies: 1

Views: 2K

High School What happens when two light beams collide ?

Mar 4, 2008 · Replies 15 · Mar 21, 2008

Replies: 15

Views: 27K

Graduate Snell's law with a complex refractive index

Mar 14, 2008 · Replies 5 · Mar 20, 2008

Replies: 5

Views: 14K

Undergrad Radius of Curvature: Definition & Meaning

Mar 20, 2008 · Replies 6 · Mar 20, 2008

Replies: 6

Views: 17K

Undergrad Solving the Flight of a Pencil Problem

Mar 15, 2008 · Replies 15 · Mar 19, 2008

Replies: 15

Views: 5K

High School What Would You See in a Mirrored Sphere?

Mar 16, 2008 · Replies 17 · Mar 19, 2008

Replies: 17

Views: 8K

Graduate Gravity field phenomenon is the curved light ray ?

Mar 16, 2008 · Replies 4 · Mar 19, 2008

Replies: 4

Views: 3K

Graduate What Causes the Strange Laser Effects from Interference and Reflection?

Mar 13, 2008 · Replies 5 · Mar 18, 2008

Replies: 5

Views: 3K

Undergrad Add Light? Possible with Lasers?

Mar 18, 2008 · Replies 12 · Mar 18, 2008

Replies: 12

Views: 5K

Graduate Light Diffraction: Explaining Airy Equation

Mar 14, 2008 · Replies 4 · Mar 18, 2008

Replies: 4

Views: 3K

High School What are uses for lens focal points?

Mar 17, 2008 · Replies 6 · Mar 17, 2008

Replies: 6

Views: 3K

Graduate Test Light Aberration in Warehouse: Laze Light & Curtain 50m

Mar 16, 2008 · Replies 4 · Mar 17, 2008

Replies: 4

Views: 2K

Graduate Photon Absorption: Does Energy Matter?

Mar 14, 2008 · Replies 2 · Mar 16, 2008

Replies: 2

Views: 3K

Graduate What Causes the Phase Change of Pi During Reflection at the Atomic Level?

Mar 14, 2008 · Replies 3 · Mar 15, 2008

Replies: 3

Views: 5K

Undergrad Why doesn't light go faster than it does?

Mar 10, 2008 · Replies 5 · Mar 15, 2008

Replies: 5

Views: 3K

Undergrad Is there such a thing as in-phase and coherent white light?

Mar 6, 2008 · Replies 5 · Mar 14, 2008

Replies: 5

Views: 8K

Undergrad Projecting Video Onto Two-Way Mirror

Mar 14, 2008 · Replies 1 · Mar 14, 2008

Replies: 1

Views: 10K

Undergrad Why don't light waves interfere when traveling in opposite directions?

Mar 8, 2008 · Replies 9 · Mar 13, 2008

Replies: 9

Views: 3K

Undergrad Is rainbow a prismatic spectrum or grating spectrum ?

Mar 12, 2008 · Replies 2 · Mar 12, 2008

Replies: 2

Views: 3K

Undergrad Can Beat Frequencies Affect Light?

Mar 11, 2008 · Replies 3 · Mar 11, 2008

Replies: 3

Views: 2K

High School Do all light frequencies travel together at the same speed?

Mar 10, 2008 · Replies 6 · Mar 11, 2008

Replies: 6

Views: 3K

Graduate Limit below which we cannot detect light?

Mar 6, 2008 · Replies 12 · Mar 8, 2008

Replies: 12

Views: 4K

Undergrad Solve Plano-Convex Lens Lensmaker's Equation

Mar 5, 2008 · Replies 3 · Mar 7, 2008

Replies: 3

Views: 14K

Top