Optics Forum

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Light: Refraction, Diffraction, Slits, and Energy Law.
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Is it possible for photons to display in the center of room?
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13
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Is light a wave or a straight line before it hits something?
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40
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Time for radio waves to reach moon?
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2
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What are the problems with using light to transmit data
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4
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Window reflection when dark out side act like mirror
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3
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Geometrical Optics: Explaining Concepts with Fermat's Principle
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Does Convex Mirror Thickness Affect Focal Length and Image Sharpness?
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Physics equations used in real world photonics problem?
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5
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Best material to reflect for 35GHz RF
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9
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Light and Doppler effect paradox?
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13
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Fermat's Principle to explain lenses and mirrors
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4
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Safe in a car if hit by lighting....NOT b/c of rubber tires?
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4
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Image formed from object at focal point of concave mirror
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1
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Infrared Waves in Optical Fibres
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7
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Confused About Wave Energy and Light Energy: Seeking Clarification
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7
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What is the trough in destructive interference of EM?
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4
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Refraction & Prisms: Angle of Incidence Explained
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5
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Why does light travel in straight lines in a vacuum?
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If light transmitting without media, then
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2
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Light contain of what substance?
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3
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Why is impossible measurement of the magnitudes when his val
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2
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How a Microwave Receiver Works: Voltage & Current Outputs
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5
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Which photons pass through a circular annulus?
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3
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Can Photons Have a Born Date?
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13
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Nd:YAG laser optical system setup
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4
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Light is a transverse oscillitating wave (can't conceptualize)
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2
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X-Ray Diffraction in Crystals: Exploring Scattering & Interference
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3
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Question about dark fringe in diffraction
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1
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Will all matter be converted to photons?
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36
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Do Photons have Mass? - Comments
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5
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Laser TEM Modes - What Determines Output?
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2
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A question about speed of light
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1
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What produces the photons in light bulb filament?
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5
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Laser focusing over great distances
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29
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Pressure Impulses during Supersonic Flight
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8
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Combining Lasers for Higher Energy Light: Is It Possible?
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6
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Refractive Index: Variations & Formula Proof
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4
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How to estimate the power of a laser pointer
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8
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Problem understanding magnification
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12
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How do I create a liquid that generates constant UV light ?
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4
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Question about lens maker's formula
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3
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Why can't we see colors in moonlight?
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3
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Property of Light: Refraction & Angle of Bending
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Direction of Light to our Eyes
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X-Ray vs Gamma Ray: What's the Difference?
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9
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Quesitons about scattering of light
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1
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Polarized light from any suface?
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1
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Instantanious communication (faster than light)
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4
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Optics - focused vs. defocused image
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7
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Snell's Law Derivaiton: Solving the Minima in 8:53
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6
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Understanding the Wavelength of Light: Explained Simply | 750 nm Explanation
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7
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Recoil of a hydrogen atom emitting Lyman alpha photon
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14
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Why can't diffraction happen if wavelength>slit size
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Refractive index in the ultraviolet region
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3
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Membrane Polarization: Best Source for Understanding Effect in Rocks
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Light travels in water and not through opaque objects?
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5
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How is radio wave propagation modelled in seawater?
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12
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Picture of Bragg's diffraction sounds confusing
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2
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Heating Sand, Oil, Paraffin, and Salt Water in a Microwave
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6
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Optical microscopes and white light / laser light
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4
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What is the safest way to focus a powerful laser for a homemade laser gun?
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4
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Why there is no rain when clouds are scattered?
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7
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Halogen light bulb filament thicknesses?
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16
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X-Ray Spectrometer Lab: Atomic Number & X-Ray Absorption
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7
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Index of Refraction Measurement Uncertainty
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3
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Focal length of magnifying glass for VR?
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1
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Goldstein Central Force Repulsive Scattering
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Superposition of SHM: Adding Two Equations for Understanding
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2
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Experimentally measure the degree of circular polarization
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6
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Does light slowly spread out longitudinally?
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28
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Feynman's Missing Equation in his Lectures(Optics)
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Can a microwave carry more energy than a gamma-ray wave?
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4
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How Do Microwaves Create Plasma by Separating Atoms into Ions and Electrons?
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Light through a tube - Solid Angle (Oblique Cone)
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Which theory explains behavior of photon?
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What is the longest wave-lenght of a photon?
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11
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Frequency Components of a Lightning Strike
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Is it possible to reflect light off of air?
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4
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Question about camera lens taking a picture
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8
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Do ferrous metals become polarized when attached to mag?
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1
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Why Does a Wave Reflect at a Free End with Unchanged Polarity?
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3
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Polarization change upon Reflection
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The Physics Behind Fluorescent Lamps
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1
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What Determines the Zig Zag Pattern of Lightning?
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44
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Closed loop problem for lighting in thunderstorm?
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4
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Anamorphic and Spherical Lens Focusing
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8
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Can I Create a Visible Light Pattern Using a Combination of Laser Beam and LED?
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Is the Mass of Light Constant?
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5
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Absorption and emission of light
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15
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How quickly do changes in fundamental forces propagate?
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3
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Do Particles at LHC Travel Near Light Speed?
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3
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Light Waves & Wave Inversion: Understand the Phenomenon
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Parallel light rays through a sprial wave plate diverge?
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3
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Relation Between Computers, Light and Pi
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7
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Single slit diffraction confusion
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UVA/UVB Light: Why does UVA penetrate deeper into the skin?
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1
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Relativity: Massless particles and photons
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5
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Where Can I Find Diodes for Line-Shaped Beams in Soft X-Ray Experiments?
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3
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Why does the photon have no mass?
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14
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