Optics Forum

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Angle of incidence and reflection
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Testing Low Pass Optical Filter
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Light Intensity: Is it Decreasing at 1/r2?
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Diffraction of light in a tunnel
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Velocity in plane polar coordinates
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Focal length of the optical system
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3
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Radiance change with light distance
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Are all physics theories reliant on "the speed of light"?
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How can I show that the amplitude of a reflected wave?
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A good introduction on light propagation mode
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Calculation of phase shift from reflectance data
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Difference between impulse and magnitude of force
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Quarter Wave Plates and Interference
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Can interference occur without the use of single slit?
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46
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Light in a medium - Question about the FAQ
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Light intensity and index of refraction
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10
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Optical system & diffraction limit
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7
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Polarization of clear plastic - a puzzle
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Does the Refractive Index of Materials Change with Temperature and Wavelength?
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6
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Superposition principle and information
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Question about concave mirrors
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Speed of light vs Speed of sound
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2
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Can a mallot on Earth wake up a cat on a planet 300,000 km away?
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Solar panels and optical parametric oscillator
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10
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Why does wood move when charged with the same rod as an aluminium can?
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4
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Sound Refraction: Does Sound Follow Light Laws?
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16
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Scattering of X-rays and polarization
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Diffraction Gratings: Understanding Spectroscopes Using Pringles Tubes
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4
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Photons = Wavelike, Particle-like, or Both?
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16
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Rotation of the reflection coeff. at Smith Chart w/ frequency
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Neon energy levels in He-Ne laser
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Rayleigh Scattering: Learn About It Here
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4
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Is speed of thought greater than light?
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27
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Light & Blackholes: Unraveling the Mysteries
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6
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Does a Light Pulse Undergo Phase Shift in a Denser Medium?
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2
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Is the speed of light based on an incorrect assumption?
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12
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Imaging CDs, DVDs or other optical media under SEM
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4
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Laser Beam Diameter: Why Can't Power Be Increased?
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6
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Type of laser -- which is easiest to make?
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19
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Application of advanced spectrometer in geometrical optics?
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5
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How do cameras focus on reflected images?
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4
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Exploring the Mystery of Ball Lightning: A Physics Luddite's Journey
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7
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What restricts two separte sources of light to act coherent?
2
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What Causes Optical Density in Media?
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951
What Color Light Works Best for Outdoor Data Transmission Over Long Distances?
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VECSEL laser tuning (question kindly reply)
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1
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978
Bending Light? – Questions & Answers
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2
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Hand drawn ray tracing through an optical system
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11
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Why does light bend on refraction?
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11
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Particle size and scattering of light
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Can Light Be Stretched in a Lab? Exploring Doppler Shift & X-Rays
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10
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Is the superposition of forces an inevitable mathematical consequence?
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9
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Interference of light (perpendicular plains)
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4
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Understanding Fraunhofer Diffraction Patterns of Circles and Slots
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6
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Car getting struck by lightning
2
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58
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Shouldn't the index of refraction change?
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Ray optics of a telescope question
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16
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Reflection coefficient calculation
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Diffraction Grating: Does Light Excite Electrons or Pass Through Holes?
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2
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Is Long-Distance Laser Cooling Feasible?
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4
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Radio wave propagation in water
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Spoon Optics-Virtual Inverted image with a concave mirror
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29
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Why do polarizers only work within a certain range?
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1
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881
Do we know what radio waves look like?
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17
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Seeing a laser pointer from 16km away
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14
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Why no transparent materials with large refractive index?
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4
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Help with physics of flight paths?
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5
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Modified plano-convex lens doubt
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8
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Spectrograph to measure the Sun's light
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10
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Can a Convex Lens Converge a Tilted Wavefront?
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2
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Multiple images in a thick mirror
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5
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Focal length from thin lens to object distance
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8
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If light cannot bend, then how magnify glass works?
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25
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Two foci on rectilinear congruence of light rays
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1
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Stars & Electromagnetic Spectrum
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4
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Light year long stick question
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16
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Wireless power and lighting ball
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954
What is the reflection angle of a golf ball after being struck by a putter?
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22
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Calculating Camera Lens Diameter with a Ruler
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What is the difference between standing waves and reflection in waves?
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28
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Classical index of refraction theory
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4
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Why can't X-Rays travel through water?
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Why is the color white not a mirror?
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19
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What does it mean to change the polarization of a laser beam
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Optical Noise Photons: Calculate Sun's Ambient Light for Detector Simulation
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12
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Natural Light and Linear Polarizer
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5
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Do multiple lens cameras refract light differently to a single lens ones?
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7
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4 slit interference, unequal separation
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Understanding Stability Conditions for Unsymmetric Optical Resonators
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Why Do Lights Appear to Shine?
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Diffraction gratings and angular separation
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Light Intensity Model: Showing Minimal Difference at Off Point
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Why does recombination in PN junctions release photons?
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2
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Interference of Light - Variations in Intensity
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5
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Why is my reflected trajectory not the expected direction of [0,0,-1]?
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5
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Can dispersion of light take place through lens?
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2
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Why do LEDs continue to emit light?
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2
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Best laser pointer for optics lab?
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4
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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

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