Optics Forum

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Graduate Why Does Diffraction Treat Every Point on an Aperture as a Point Source?
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Graduate Is there direct evidence photons attract gravitationally?
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Undergrad Visualizing Real Images and Multiple Reflections: Questions Answered
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High School Snells Law - Problem understanding question
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Undergrad Diffraction through a transparent aperture?
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Undergrad Can the EM Spectrum Be Converted to Electricity Using Transformer Coils?
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High School Why does refraction take place ?
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High School Reflecting a laser with a mirror is there a limit to the power level?
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High School How does the reflection of light work?
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Graduate Light emission as wire rope breaks
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Undergrad Can light travel faster than the speed of 300,000,000m/s?
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Undergrad Reflection Patterns of Laser Light on Tilted Mirrors
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Undergrad Inverse Square Law: 1mW laser range?
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Graduate Is it possible to have perfect white or mirrors?
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Undergrad Can the human eye detect just a single photon?
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Undergrad Confusion about the speed of light
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Undergrad Infrared Incandescence: How Hot Does It Need To Be?
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Graduate Where does the waves energy go when destructive interference occurs?
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Undergrad Are lasers capable of producing explosions ,or is that just fictional filler?
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High School How-to-DIY-a-Flat-Screen-Projector
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Undergrad Why doe glass get hot if the photons aren't absorbed?
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Undergrad How do photons cause matter to move?
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Graduate Optical modulation transfer function of an image and its cutoff
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High School What will light energy converted to if wasted?
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Graduate How Does Using Different Active Mediums Affect Laser Output?
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Undergrad Can a stable gas be ionized by concentrated light?
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Undergrad Lens Formula Confusion: Convex Lens, Cartesian Sign Conv.
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Graduate Transmitting Information faster than light?
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Undergrad Optics - Spectacles lens Power Estimation
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High School Is Light considered Matter? Questions on energy and states of matter.
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Trillion FPS camera developed at MIT camera can 'watch' the movement of light
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Graduate A thought on waveguides(TEM mode)
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Undergrad The Reason for Total Internal Deflection
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High School Lateral Inversion of Images Formed by Convex & Concave Lenses
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Graduate Coherency matrix of partially polarized light incomplete?
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Undergrad 7th grader needs help with speed of light and infinite mass
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Undergrad Explaining the Mathematical Reasoning of Finding Image in Convex Mirrors
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Undergrad Can Light Exhibit the Same Interference Pattern as Water Waves?
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Undergrad Limits of information transfer through light and sound
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Graduate Single-slit diffraction intensity
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Graduate Why light does not travel in wires?
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Undergrad How many photons are reflecting?
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Graduate Turn off the Higg's field and travel at the speed of light?
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Undergrad What causes the streaks in a CT scan when a metal object is present?
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High School Why Does a Wet T-Shirt Appear Darker Than a Dry T-Shirt?
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Graduate Real Height versus Perceived Height, of Objects at a Distance.
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Undergrad Understanding Energy Conservation in Laser Operation
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High School Help explain an optical effect
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Undergrad Lines Appear When Staring at Bright Lights - What's the Explanation?
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Undergrad Sun's light beam and diffraction grating
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Undergrad Infrared as watermark that can be detected by camera even in daylight
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Undergrad Are Polaroid headlights the solution to reducing night-time road accidents?
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Undergrad Light & Sound Waves: Thermal Energy & Frequency
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Undergrad Frequency of Sound and Light waves
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Undergrad Homopolar Motor Limiting factor angular velocity
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Undergrad What exactly is the Ultraviolet Catastrophe?
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Undergrad Figuring out what image distance (lens and mirror) formula to use?
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Undergrad Can reflections create a focused beam of light from a point source?
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High School How do unpolarized sunglasses reduce brightness?
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High School Question about stars and light after a trip to the Hayden Planetarium
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High School Calculating the magnitude of displacement
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High School How does sun rays pass through the atmosphere layers?
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High School Expanding Laser Beams with Focusing Lenses: Possibilities and Limitations
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Undergrad Why do light form an interference pattern when passing through only one slit?
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Undergrad Total Internal Reflection and snell's law
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High School What causes the angular fringes in laser light pictures?
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High School Why Is It Called the Lens Maker Equation?
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Graduate Colors of thin layers of materials
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High School Will light be trapped in a room full of mirrors?
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Undergrad High frequencies - dispersive and directional?
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Graduate Dynamic light scattering laplace inversion
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Undergrad Does it need light speed or not
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Graduate Xray refraction and UV refraction border?
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Undergrad How can I expand my laser beam without using water?
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Graduate What is Restrahlen effect and Restrahlen band?
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Graduate Fresnel's equation with complex n
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Undergrad Seeing the Wind: Is It Possible?
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Undergrad Lightning Questions: Answers to Elusive Mysteries
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Graduate At the subatomic level, how does reflection and refraction occur?
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High School Standard optical component symbols?
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High School Lightning Strikes: Does it Create an EMP?
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Graduate Unveiling the Versatility of Photons: From the Universe to Our Everyday Life"
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High School Will, Red, Green and blue lasers wen crossed create the spectrum we crossed ?
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Undergrad Optics question-Materials for vacuum chamber viewing ports
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Graduate Light speed and cosmological constant
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Graduate Degree of coherence of light from a red semiconductor laser
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Undergrad Long vs Short light wavelength absorption
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Undergrad Understanding Rayleigh Scattering: The Science Behind the Blue Sky
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Graduate Can Laser-Driven Logic Gates Function Like NOR Gates Using Diffraction Patterns?
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High School Optics/ the eye/ near, far-sightedness
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Graduate Real vs. Virtual Photons: A Comparison
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Undergrad Clarification regarding rolling cylinder with CG slightly above
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What is more beneficial: light as a wave or light as a particle?
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Graduate Splitting a light beam into opposite circular polarizations?
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High School Does total internal reflection only occur with electromagnetic waves?
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Undergrad Does the focal length of a concave lens change in a different medium?
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Undergrad Images formed by cylindrical lens
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Graduate Thomson scattering and unpolarized light
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Undergrad Is it possible to store light for later use?
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Undergrad The color of an apple (light absorption and emission)
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