Optics Forum

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Light & Blackholes: Unraveling the Mysteries
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6
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1K
Does a Light Pulse Undergo Phase Shift in a Denser Medium?
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2
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1K
Is the speed of light based on an incorrect assumption?
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12
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2K
Imaging CDs, DVDs or other optical media under SEM
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4
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2K
Laser Beam Diameter: Why Can't Power Be Increased?
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6
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2K
Type of laser -- which is easiest to make?
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19
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2K
Application of advanced spectrometer in geometrical optics?
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5
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1K
How do cameras focus on reflected images?
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4
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1K
Exploring the Mystery of Ball Lightning: A Physics Luddite's Journey
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7
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2K
What restricts two separte sources of light to act coherent?
2
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68
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12K
What Causes Optical Density in Media?
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1
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863
What Color Light Works Best for Outdoor Data Transmission Over Long Distances?
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2
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946
VECSEL laser tuning (question kindly reply)
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1
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885
Bending Light? – Questions & Answers
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2
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1K
Hand drawn ray tracing through an optical system
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11
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2K
Why does light bend on refraction?
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11
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3K
Particle size and scattering of light
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1
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944
Can Light Be Stretched in a Lab? Exploring Doppler Shift & X-Rays
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10
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2K
Is the superposition of forces an inevitable mathematical consequence?
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9
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3K
Interference of light (perpendicular plains)
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4
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3K
Understanding Fraunhofer Diffraction Patterns of Circles and Slots
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6
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3K
Car getting struck by lightning
2
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58
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6K
Shouldn't the index of refraction change?
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1
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873
Ray optics of a telescope question
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16
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2K
Reflection coefficient calculation
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7
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2K
Diffraction Grating: Does Light Excite Electrons or Pass Through Holes?
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2
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1K
Is Long-Distance Laser Cooling Feasible?
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4
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1K
Radio wave propagation in water
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4
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4K
Spoon Optics-Virtual Inverted image with a concave mirror
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29
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32K
Why do polarizers only work within a certain range?
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1
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800
Do we know what radio waves look like?
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17
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3K
Seeing a laser pointer from 16km away
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14
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2K
Why no transparent materials with large refractive index?
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4
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3K
Help with physics of flight paths?
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5
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2K
Modified plano-convex lens doubt
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8
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2K
Spectrograph to measure the Sun's light
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10
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1K
Can a Convex Lens Converge a Tilted Wavefront?
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2
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2K
Multiple images in a thick mirror
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5
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4K
Focal length from thin lens to object distance
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8
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1K
If light cannot bend, then how magnify glass works?
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25
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3K
Two foci on rectilinear congruence of light rays
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1
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1K
Stars & Electromagnetic Spectrum
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4
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1K
Light year long stick question
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16
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2K
Wireless power and lighting ball
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1
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863
What is the reflection angle of a golf ball after being struck by a putter?
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22
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3K
Calculating Camera Lens Diameter with a Ruler
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4
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1K
What is the difference between standing waves and reflection in waves?
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28
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3K
Classical index of refraction theory
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4
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1K
Why can't X-Rays travel through water?
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8
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5K
Why is the color white not a mirror?
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19
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2K
What does it mean to change the polarization of a laser beam
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4
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2K
Optical Noise Photons: Calculate Sun's Ambient Light for Detector Simulation
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12
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2K
Natural Light and Linear Polarizer
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5
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2K
Do multiple lens cameras refract light differently to a single lens ones?
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7
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1K
4 slit interference, unequal separation
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11
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3K
Understanding Stability Conditions for Unsymmetric Optical Resonators
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2
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1K
Why Do Lights Appear to Shine?
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9
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2K
Diffraction gratings and angular separation
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1
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2K
Light Intensity Model: Showing Minimal Difference at Off Point
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5
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2K
Why does recombination in PN junctions release photons?
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2
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1K
Interference of Light - Variations in Intensity
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5
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1K
Why is my reflected trajectory not the expected direction of [0,0,-1]?
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5
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1K
Can dispersion of light take place through lens?
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2
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1K
Why do LEDs continue to emit light?
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2
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1K
Best laser pointer for optics lab?
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4
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3K
How does the power of a lens affect its ability to focus light?
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32
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7K
Lightweight Tubular Frame: Can it Float?
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4
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2K
Movement and Properties of Light
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7
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1K
Fourier Optics: Why Does a Lens Perform a Fourier Transform?
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1
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2K
Derivation of waveguide condition for two light rays
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4
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1K
Snell's Law: From n sin theta to n1sintheta1 = n2sintheta2
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1
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2K
Optics: Design of Beamsplitter Ge on KBr substrate
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1
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2K
Is refractive index on each side of the parallelepiped the same?
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4
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947
Behaviour of light thru a glass rod 'end to end'
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15
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4K
Reflection and refraction with equal refractive indices?
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2
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854
Light Wave & Air Molecule Interaction: Question
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4
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898
Reconstructing an image out of a white surface light information.
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6
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866
Simple (?) question regarding reflection of light
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2
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876
X-ray to Microwave fluorescence
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2
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2K
Optics - Obtaining structure of an object using a laser
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5
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1K
Double Slit Diffraction Problem
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5
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1K
Measuring the Wavelength of Light
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4
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1K
Any good softwares for drawing optical schematics?
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2
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7K
Using solar cell as a power laser meter
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1
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930
Difference between spin and helicity for a photon
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2
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5K
Refraction-Speed difference at different wavelengths
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10
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2K
Polarization state conventions
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4
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665
Why is light attenuation not linear?
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1
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1K
Laser focal point manipulation
2
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46
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5K
Is it possible to partially reflect microwaves as we can do with light?
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9
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3K
Do photons pass through each other?
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2
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2K
Can light travel as a longitudinal wave?
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2
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2K
Calculating the Frequency of White Light
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4
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2K
Four-Level Laser System: Why Less Energy?
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1
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933
How can we make invisible lights visible?
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4
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2K
Light ray simulator? Snell's law/refraction
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2
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2K
Fresnel Equations and Snells Law
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1
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2K
Jones Vector of Linear Polarization
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2
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2K
How do charges in a wall cancel out incoming electromagnetic waves?
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4
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1K
Asking for guidance on the physics of light spectrum
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2
Views
872

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