Optics Forum

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Graduate Idea for optimising solar collection
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Undergrad Can Light be used to see what's in the past?
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Undergrad How to model flight of simple parachute in 2D?
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Undergrad Sign convention in geometric optics.
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Graduate Is there a e-ray refraction theory?
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Graduate Does a red-hot mirror reflect light the same way?
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Graduate Minimizing spatial hole burning
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Graduate So I have tried to model what happens when you light both ends of a
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Undergrad Slowest recorded, speed of light.
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Graduate What is the concept of total cancellation in a Michelson interferometer?
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High School Why is Light Considered an Electromagnetic Wave?
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Could I Have Damaged My Eye With a Laser Level?
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Graduate Passing elliptically polarized light through a linear polarizer
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Graduate Is There a Method to Accurately Calculate Depth of Field in Video Projection?
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Undergrad Calculate No of Images Formed by 2 Mirrors at Angle α
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Graduate Derivation of the thin lens equation?
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Undergrad Can Particles Like Light Be Accelerated in a Particle Accelerator?
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High School Limits of Human Vision: Visible Spectrum and Beyond
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Undergrad What is the role of resonance in the heating process of a microwave oven?
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Graduate Wavelength and precision of observation
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High School Splitting infrared and visible light.
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High School What colors of visible light can be seen from the farthest distance?
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Graduate Optics - reduce image and launch into optical fiber
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Undergrad How Do You Build a Wave Transmitter for Destructive Interference?
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Undergrad Understanding Unpolarized Light
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High School Are photons from a light bulb and the sun the same for our bodies?
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Graduate How Do You Set the Angle of a Diffraction Grating for Retroreflection?
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High School What is the Focal Length of a Convex Lens?
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Undergrad What is the relationship between numerical aperture and focal length in lenses?
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High School Question about colour of stars and planets.
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Undergrad Hi In the Diffraction Handbook
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Graduate Infrared and NIR Camera Sensitivity
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Undergrad Can Two Intersecting Laser Pulses Create a Visible 'Flash' in Midair?
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Graduate Breaking EM Destructive Interference
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Graduate Can physics shed light on the nature of human consciousness ?
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Undergrad Why doesn't light go faster than c?
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High School Understanding Unpolarized Light: A Scientist's Perspective
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High School Sunlight & Earth: 8.3 Minute Delay?
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Graduate Understanding Diffraction Gratings: Optimal Blazing Angle and Wavelength
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Undergrad Reason behind so called Optical illusion or Simultaneous contrast
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Undergrad Interference fringe of light beams of different frequencies
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Undergrad What is the mathematical equation for an aspheric lens surface?
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Graduate WHen x-rays hit the anode is it true that they become accelerated
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Undergrad I have a very basic question about wave interference and more
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Graduate Optical design of surgical loupes
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Undergrad Homopolar Generator: 0.1V Output, No Current
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Undergrad An object that has direction but no magnitude?
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Graduate Is Natural Unpolarized Light Equivalent to Randomly Fluctuating Elliptic Light?
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Undergrad Can visible violet light be harmful?
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Shape Tealight Flame - Simple Sphere & Cylinder
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Undergrad Why can't this wave travel in vacuum
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Graduate Relation between absorption and refraction
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Undergrad Interference Patten in standing waves
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Undergrad Distance, Time relation and light.
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Undergrad How light from a dead star reaches Earth?
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Undergrad Understanding How Gravity Bends Light and Relates to General Relativity
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Undergrad Central Maxima & Interference: Investigating Intensity
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Undergrad Fluorescence - definition & possibilities
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Graduate Traveling Faster Than Light: Effects and Possibilities
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Graduate Comparing power ratings between CW and pulsed laser
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Undergrad What is the root source of Light ?
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Undergrad Absolute and apparent magnitude
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Undergrad Why X-Rays can go through Materials
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Undergrad Why do we apply sign conventions to optics formulae?
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Undergrad Proving Optical Law in plane mirror
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High School Beautiful Natural Oceanic Diffraction Patterns
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Graduate Question for the use of Woolaston Prism in OPTICAL TWEEZER
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Undergrad Why Are Wollaston Prisms So Expensive and What Are the Alternatives?
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High School Do we see multiple images in mirror?
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Undergrad Why are wet materials transparent?
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Graduate Why is the size and location of pupils important in optical systems?
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Graduate Deriving F=a2/λL in Fresnel Diffraction
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Undergrad Is light wave also transverse in media?
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Undergrad How does Rayleigh scattering work?
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Undergrad Questions about light absorption
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Undergrad Why virtual images in telescopes & microscopes?
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Undergrad Stimulated Emission by Laser discussion
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Graduate Physics - Single Slit Diffraction
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Graduate How does coherence length of light depend on wavelength bandwidth?
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Undergrad CCD vs Photodiode: Which is Best Detector?
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Graduate Finding WavelengthHow do I find the wavelength using single slit diffraction?
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High School Lightning Rods: Can They Stop Thunder?
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High School Deviation and dispersion in a prism
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Graduate Is the maximum wavelength of light bounded by the size of the universe?
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Graduate Solving Image Problems with Orthonormal Systems - M. Next
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Undergrad Can Scientists Break the Speed of Light Barrier with Subatomic Particles?
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Undergrad What is the difference between emissivity and reflectivity?
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Graduate How Does Rotating a Glan-Thompson Polarizator Affect Brewster's Angle?
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Undergrad What is the speed of light in a Michelson interferometer?
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Undergrad Superposition of simple harmonic oscillations
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Undergrad Thin film interference concept
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Graduate Comparing Plank's Length Models: ENERGY & C
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Graduate Goos hänchen shift and phase shift
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Graduate Radiant intensity of a Lambertian surface
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Graduate Basic question about measurement of thin film by means of spectral reflectance
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Graduate HiWhen the concept of polarization is introduced, it is usually
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Undergrad Would space lightning last longer then earth lighting?
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Graduate Fresnel equations, transmission higher than one?
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Undergrad Which is better for concentrating sunlight ?
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High School How can microwaves melt metal?
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