Optics Forum

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High School Moonlight Reflection on the Sea
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Graduate Diffraction and Aperture Size: How Does It Affect Image Resolution?
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Graduate Reflection In an Arbitrary Surface
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Undergrad How Do Curved Mirrors Form Clear Images?
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3
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Undergrad Is Light Truly Massless if It Can't Penetrate Walls?
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High School Why Are Rainbows Formed?
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Undergrad Why birefringence effect polarizes light?
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8
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4K
Graduate Laser/Wave Phenomena Exploration
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2
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Graduate Bremsstrahlung photon intensity and energy
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Undergrad Wave Transmitted Amplitude Greater than Incident: Conditions?
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2
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Graduate How to measure refractive index of plastic
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5K
Graduate Possibility of a smoothly wavelength-tunable x-ray/EUV source
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Graduate Reflection in a mirror of negative curvature
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Undergrad How big should a lens be to focus enough light to reach 1000 Celcius?
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Graduate Laser focusing, minimum beam width
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Graduate Transparency of the sun to extremely long wavelength photons
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Undergrad How does light from the sun cause atoms to vibrate?
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8
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The universe through the eyes of a photon
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High School Speed of Dark: Beyond Light & Time
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Graduate If light is a particle, what is wavelength / frequency ?
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Is Colour Really in Your Head?
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Graduate Contracting Wavelength via mirrors.
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Graduate I throw a metal rod (not light) into the air
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Graduate EM Destructive interference of two coherent beams
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Graduate Does increasing slit size in spectroscopy affect SNR?
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Undergrad Understanding single layer anti-reflection
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Undergrad Can circularly polarized light interfere with linearly polarized
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6
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5K
High School What Color Does a Blue Book Appear Under Monochromatic Red Light?
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3
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High School Why are moving objects blurred in a camera?
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5
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4K
Graduate Transformation Optics and Meta-materials
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2
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High School What is the name for the colorful effect produced by oil on water?
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1
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Undergrad Can Laser/Maser Pass Through Tissue without Interacting?
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16
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4K
Graduate Can anybody explain the modulation of radio waves in terms of photons?
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6
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Undergrad Which Ray Will Reach the Second Plane First?
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2
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Graduate Light building the standard model
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Undergrad Speed of light in dispersive medium
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3K
Undergrad How to shift a focal point af an objective
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2K
Undergrad When train moves at speed of light the time becomes slow. why it happens?
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2
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3K
High School Is it possible to directly see your own reflection in water?
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6
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Graduate Alternating violet and red fringes in Diffraction Grating
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Graduate Can we observe the motion of a photon in cartesian space?
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Undergrad How do we know the speed of light exists ?
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4
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Graduate How can infrared photons impart energy
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Graduate Collimating a point source formula?
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6K
Graduate Radio Wave Laser: Feasibility & Applications
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Undergrad Can lasers affect sound waves?
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Undergrad Does Glass Affect the Speed of Light's Travel from A to B?
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Graduate How Does Photon Energy Influence Exponential Attenuation in Matter?
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Graduate Optical Antennas: Experiencing Light Differenly?
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Graduate How can this laser project a point in three-dimensional space?
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Undergrad *Where* does sunlight scattering occur?
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Undergrad Will light eventually fade away given enough distance?
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Undergrad Diffraction - Why must slit width be comparable to the wavelength of light?
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Graduate How does the wave-particle duality of light affect its behavior?
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Graduate What is an evanescent wave? What are its applications?
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Graduate Can Linear Birefringence create elliptically polarized waves?
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Undergrad Light versus sound waves : velocity
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High School Can light enegry or waves affects sound waves?
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High School I was just wondering how light comes to be, from light bulbs or flash
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Undergrad Thin film interference formulae
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Graduate Radome pulsed microwave questions
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High School Observing a light source through blinds (picture included)
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High School Does Focal Length Differ for Convex Lenses?
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Graduate How come when h2o drops on my computer screen I see
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High School Does Total Internal Reflection Always Have Equal Angles?
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High School Does Total Internal Reflection Occur for Light Passing from Air into Water?
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High School UV/Blacklight Uses: Get Scientific Data from It!
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3
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High School Can I use any watt light bulb on my ceiling without risking an explosion?
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Undergrad Magnifying power v/s magnification
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Undergrad What factors influence the direction of emitted photons from an atom?
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Graduate Optical trap, choosing the right condenser NA illuminate QPD
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High School What's the Difference Between Monochromatic and Coherent Waves?
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Undergrad Need to Know if Star Light is Coherent?
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4K
Undergrad Holography & Art: Can it Accurately Reproduce Oil Paintings?
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Undergrad How does light stay in motion? Why does it travel at it's speed? Does
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Graduate Why light is a sinusoidal wave?
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High School Absorbing and reflecting light
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Graduate Objects Traveling at 60% Light Speed: A Paradox?
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Undergrad Why can't we form an image with just one ray of light?
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Undergrad Why isn't light induced by an antenna
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Undergrad Is Light a Macroscopic or Microscopic System?
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Undergrad Answer to light speed travel is E=mc2 itself?
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High School How 17th century scientists made pinholes?
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Graduate Pixel pitch, Airy disk diameter and maximum aperture
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Undergrad Why is it possible to see a real image in a mirror?
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2
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Undergrad Understanding what Light is (My attempt at an explanation)
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Undergrad How Does Coherence Affect Interference and Diffraction in Light Waves?
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Undergrad Can spherical aberration be avoided in lenses with non-spherical curves?
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Undergrad Light hitting a superconductor?
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Undergrad Sunlight equivalent light bulb
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Undergrad Understanding Coherent Waves: Frequency and Phase Differences Explained
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8
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Undergrad What's Wrong with my Experiment?
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15
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Graduate Color Subtraction to the Eye Problem
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9K
Graduate Causes of Diffraction Patterns
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Undergrad How/why does diffraction occur?
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10
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Undergrad Understanding Coherent Waves: Frequency and Phase Differences Explained
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Undergrad Question about speed of light?
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Undergrad Can speed of light be faster with this?
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4
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Undergrad Why Does the Speed of Light Change in Different Mediums?
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High School Distance From Eye VS Visible Size
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