Optics Forum

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Undergrad Is a 100mw Green Laser Too Powerful for Double Slit Experiments and Microscopy?
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Graduate Determining the penetration levels of visible light
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Graduate Why is a photon considered a point particle despite having a wavelength?
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Undergrad Can active infrared recording produce original colors?
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Graduate How can I simulate PSF of incoherent light?
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Graduate What does this boundary condition mean?
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Undergrad Temporal and spatial changes to light when transiting different media
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High School What makes a radiowave / lightwave ect move
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Undergrad What Causes Scattering in Optics and How Does it Apply to X-rays?
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Graduate Microwave photons, when do they become real?
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High School Inclined plane: heavy and light ball
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Undergrad Polarization of Wave: Learn How to Convert Elliptical into Circular
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High School Why Is My New Optical Prism Not Showing a Clear Spectrum?
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High School Does a Convex Lens Cause Eye Heat When Viewing a Light Source?
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High School Light travelling through glass.
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Undergrad What happens to emission spectra when photons pass through a medium?
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Graduate Experiment: Moving Photon Source - Questions & Answers
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Undergrad Diffraction and intensity of fringes
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High School Methods to measure the speed of the light
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Undergrad How to measure the wavelength of a light source
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Graduate Can someone clarify and shed some light about these two statements
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Undergrad Understanding Wave Polarisation: Intensity Changes and Filter Effects Explained
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Undergrad Is it accurate to refer to invisible radiation as light?
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Undergrad How can light interact with atoms?
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High School How does a battery-powered light bulb work?
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Graduate Photons Are 'Wave-like' in What Way Exactly?
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Undergrad Why Do Wave Equations Use Sinθ and Cosθ Interchangeably?
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Undergrad What units should be used for the cauchy dispersion formula?
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High School Why Do Letters Appear Overnight in Mirrors? Explained Simply
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Graduate Index of refraction vs frequency
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Graduate How Can We See the Blue Light of Day *Only*?
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Graduate Green's function and scattering theory
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Undergrad Quantifying Light Reflection and Scatter in Chrome Paint: A Scientific Study
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Graduate A basic question: jinc function in coherent and incoherent system
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Graduate What are some different interactions where photons are released?
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Undergrad Understanding the Sign Convention for Lens Formula Proofs
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High School Sound interference experiments
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Graduate Can a photon be emitted without a receiver?
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Undergrad How Does Polarization by Reflection Determine the Refractive Index of Glass?
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Undergrad How do Radio Waves work when used for FM or AM Radio transmission?
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Undergrad Why is virtual image not seen when a defective eye is corrected?
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High School Photon Basics: Explaining to a 10-Year-Old
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Graduate Does the force of a single photon act in 1 dimension?
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Undergrad How will the force of Light change with absorbtion/reflection?
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Graduate Polarization and Poincare circle.
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Undergrad Glass silvering phenomena and further studies upon reflective layers
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Undergrad Can a metal ring and soap solution create expanding bubbles?
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Graduate Elastic scattering and target recoil
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Undergrad Is the Speed of Light (c) Always 3x10^8 m/s in E=hc/λ?
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High School Microwave ovens versus WiFi signals
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Undergrad What is the Difference Between Coherent and Incoherent Light?
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High School The role of refraction in vision
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Graduate Stokes Relation: R=R' Meaning & Phase Difference
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Graduate The complex index of refraction of air
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Graduate High Energy Photon: Combining Energies Explained
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Undergrad Time-scale of Compton scattering
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High School Diffraction at an object - diagram?
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High School Why do mirrors reflect so much light?
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Graduate X-Ray Safety Advice for Non-Living Material Experiments: Tips & Techniques
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Graduate Transverse Wave in a String Reflection and Transmission
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Undergrad Confused about definitions in optics
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Graduate Energy of light vs energy of photon
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High School Mirror Box & Daylight: What Happens?
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Undergrad Dispersion: Wavelength & Frequency in Vacuum & Material
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Graduate Refractive Index of Gold at Microwave Frequencies
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High School White light to different colors
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Undergrad Does refraction lead to energy loss
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Undergrad Optics question: light reflecting off a colored surface
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Graduate Using Axial Ratio AR to predict R or L hand polarization.
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Undergrad Superposition of waves, result visible?
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High School Magnifying Glass and Eye Glasses Comparison
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Undergrad Light Reflection in a Mirror Cube
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Graduate Is a Galaxy Unresolved at 10 Arc Seconds with 15 Arc Second Resolution?
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Graduate What Happens When Light Hits a Mirror Traveling Near the Speed of Light?
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Undergrad Reappearing Waves: Hi! Uncover the Mystery
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High School Are we not already travelling at the speed of light?
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Graduate Help make sense of this polarization explanation by Cal Tech
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Graduate Grating Spacing With Fourier Optics
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High School Optics - Do I live in a smaller world with glasses?
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Undergrad Why are microwaves reflected by the door?
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Undergrad Humming Notes 1/2-lambda apart
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Undergrad Need solution to view through glass at near zero angle
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High School Light on Gloomy Day: Why is Sky Grey?
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Undergrad Apparent and actual radius (Optics)
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High School Spherical Aberration Explained - Chris' Experiments
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Undergrad Why Does Light Reemerge with a Third Polarizer?
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Undergrad Laser Pulse Duration @ 2.5kHz FWHM
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Undergrad How can ellipticity angle be negative.
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Undergrad Can lasers create visible plasma channels in air?
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Graduate Ellipsometric measurements on a mirror.
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Graduate Confused about phase lead and lag of a wave.
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Undergrad LED Outdoor Lighting Solutions - Bob's Story
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Undergrad Why can't the focus of a plane mirror be virtual like in a concave mirror?
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Undergrad Does Light Have Mass? Weight of Photon Explained
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High School Flight of a badminton shuttlecock
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Graduate Regarding transmission and reflection of EM-waves
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Graduate Calculating diffraction patterns
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Undergrad Calculating Reflection angle in a 2D plane.
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Undergrad Why frequency stays the same during transmission and reflection
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Graduate Emission of a Photon: Origin and Role of Electron Constituents
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