Optics Forum

Post thread
Does light travel in a straight line trough air?
Replies
5
Views
5K
Effect of apperture diffraction and fourier plane
Replies
2
Views
3K
TE / TM polarization of a Laser Diode
Replies
2
Views
11K
Effective Focal Length of Multiple Lenses
Replies
1
Views
7K
What is the origin of the strange shadow in a laser beam?
Replies
1
Views
2K
Prism Design to Filter Out Infrared Light
Replies
3
Views
4K
Does greater light intensity imply greater energy?
Replies
1
Views
3K
Unpolarising Light: Can You 'Rescatter' the E and B Fields?
Replies
3
Views
3K
Different expressions for the polarization
Replies
6
Views
2K
About wave interference
Replies
2
Views
2K
CPC and Fresnel Lenses for Solar Cell Power
Replies
5
Views
6K
Angular distribution of diffusely scattered light
Replies
4
Views
3K
Can you change the wavelength of light without disorting its path?
Replies
4
Views
3K
Help understanding light intensity
Replies
8
Views
3K
Optics question. Given Diameter and object distance find image distance.
Replies
1
Views
4K
Why Is a Complex Index of Refraction Necessary?
Replies
3
Views
10K
Convergin and divergent lens, rare situations
Replies
1
Views
2K
Question about photon absorbtion/emission by hydrogen
Replies
1
Views
2K
General rule of resolution of optical systems
Replies
1
Views
2K
Index of refraction for LCP/RCP light
Replies
2
Views
4K
Is during lightning clouds losses some its mass?
Replies
16
Views
3K
Faster than light information transfer
Replies
40
Views
6K
Slowing down the speed of light in a medium
Replies
5
Views
3K
Why is there a phase change in reflection and why is it always \pi?
Replies
6
Views
23K
Why is Glass Opaque to IR and UV, But Not Visible Light?
Replies
12
Views
34K
Diffraction Through a Sub-Wavelength Sized Slit?
Replies
2
Views
3K
Light waves are one half kinetic and one half potential energy
Replies
33
Views
12K
Hypothetical situation, what is seen before light arrives?
Replies
2
Views
2K
Lightbulbs flicker due to AC. Why does this not show up in photographs?
Replies
5
Views
17K
What should be a very simple optics question is giving me problems (two lenses)
Replies
2
Views
2K
Optics Question - How is light divided into a 2d image?
Replies
4
Views
2K
New news about neutrinos moving faster than the spead of light?
Replies
1
Views
2K
Why does light bend while changing media?
Replies
2
Views
3K
Help Finding a Simple Fiber Optic Sensor for Pressure/Temp Measurement
Replies
1
Views
2K
Why do some objects reflect light while some let light pass through them?
Replies
1
Views
3K
How to Measure Paper's Reflectivity
Replies
11
Views
9K
Why is the speed of light an exception? (same to all observers)
Replies
3
Views
4K
Light Scattering: Free Electron Explanation
Replies
3
Views
3K
Understanding Light diffraction
Replies
14
Views
5K
Connecting Lasers: 1W vs 2W Effects
Replies
13
Views
3K
Do Light Waves Have Amplitude?
Replies
44
Views
57K
Optic axis of a calcite crystal
Replies
2
Views
7K
Collimating Light from a Hg Arc Lamp
Replies
6
Views
8K
EM reflection coefficient off a conducting plane
Replies
2
Views
4K
Strange Particles May Travel Faster Than Light
Replies
1
Views
2K
Why Is the Angle of Incidence Crucial in Understanding Light Refraction?
Replies
3
Views
3K
Understanding Mass Speed of Light: Electrons and Protons in LHC Explained
Replies
17
Views
4K
Refractive index of optical fibre
Replies
41
Views
25K
Why does repeated reflection increase amplitude?
Replies
13
Views
4K
Why does light slow down in denser media?
Replies
2
Views
5K
Questions about Light: Reflection & Spot Shape
Replies
5
Views
2K
How does spatial coherence affect focusability of laser?
Replies
5
Views
6K
Optics - Having trouble with a few concepts
Replies
6
Views
2K
Energy conservation in destructive interference.
Replies
14
Views
11K
Measuring the State of Photons: Determining Mixed & Pure States
Replies
1
Views
2K
Kinetic Energy of an object at the speed of light
Replies
24
Views
16K
MIxed and reflected color frequencies.
Replies
9
Views
3K
Using Light to Make Processors with Features Smaller than It's Wavelength?
Replies
3
Views
3K
Situations that Require the Accurate Determination of Refractive Index
Replies
1
Views
4K
Optical Design and Simulation Software
Replies
2
Views
2K
Audio signals transferred by a light source
Replies
4
Views
2K
Wavelength sand refractive index
Replies
1
Views
5K
Some questions about polarization and intensity
Replies
3
Views
3K
Does Light Really Have a Wavelength?
Replies
14
Views
4K
Reflected wave extent into media
Replies
1
Views
2K
Absorption of Photon: Electron Constituents & Attraction
Replies
1
Views
3K
HST-1 moving faster than light?
Replies
9
Views
3K
Improvised Optics Lab Equipment
Replies
8
Views
8K
What Causes Changes in the Wavelength and Velocity of Light During Refraction?
Replies
4
Views
2K
Can Snell's Law Be Proven Mathematically for Sound and Light Refraction?
Replies
7
Views
3K
Understanding Interference in Thin Glass: The Role of Ray 2 and 5 Explained
Replies
2
Views
2K
What does refractive index depend upon?
Replies
7
Views
25K
Reflected wave at complex refrective index
Replies
1
Views
2K
How to detect the phase of a laser beam directly?
Replies
17
Views
4K
What Does the Ratio sin(φ1)/sin(θ4) Reveal About Light Refraction?
Replies
5
Views
2K
Cooling in Cosmic Microwave Background
Replies
7
Views
2K
What Causes Radio Stations to Mix and How Does it Affect Listening?
Replies
3
Views
3K
Diffraction from Sub-Wavelength Features
Replies
2
Views
2K
Spectral width of an optical pulse
Replies
2
Views
3K
Why Do Some Diffraction Orders Go Missing?
Replies
2
Views
35K
How Does 1J of Energy Propel a 1kg Mass in Space?
Replies
5
Views
3K
What happens if eye lens and objective lens are interchanged in
Replies
2
Views
2K
What is an acoustically soft/hard scatterer?
Replies
2
Views
11K
Can Near Light Speed Travel Overcome Time Dilation and Physical Limitations?
Replies
7
Views
4K
Atomic clocks and the speed of light
Replies
1
Views
3K
Achieving speed of light via rotation on an axle?
Replies
6
Views
3K
Physical quantities/ magnitudes
Replies
1
Views
4K
How much light can be captured and stored in a fixed volume?
Replies
10
Views
10K
Extremely High Energy Photons?
Replies
4
Views
4K
Why are X-rays absorbed in the atmosphere.
Replies
1
Views
9K
Can you stand on enough concentrated light?
Replies
14
Views
4K
Determining LED light intensity from its radiant power
Replies
5
Views
14K
Photon & Lighting: What Happens After Production?
Replies
6
Views
5K
Newtonian Form of Lens Equation
Replies
12
Views
16K
Can a lightning take the same path multiple times?
Replies
10
Views
4K
Light wave interference questions
Replies
3
Views
6K
Light & Gamma Rays: Why Does One Penetrate and Not the Other?
Replies
6
Views
3K
Properties of polarized beam splitters
Replies
1
Views
2K
Reversing polarity on a battery?
Replies
6
Views
17K
How much energy can be stored using microwave energy storage?
Replies
6
Views
3K

Hot Threads

Hot Threads

Recent Insights

Back
Top