Optics Forum

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Graduate Fraunhofer diffraction experiment- neural density filters
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Undergrad Plotting a far-field Intensity distribution
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Graduate A few questions about light and how things work
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Graduate Oxygen 760nm spectroscopy - quick 'n' dirty
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Undergrad Wave optics / Snell's law of refraction
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High School The Contrary Laws of Reflection
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Undergrad Cameras detecting Infrared and making it visible
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Graduate Barrier of Diffraction: Different Wavelengths, Same Color?
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Graduate Proving Fermat's principle without calculus?
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Undergrad Simple proof of Snell's law without calculus
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Graduate Why does the pulse related to the inverted phase travel to the right?
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High School Combine lasers to make a single strong beam
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Graduate Inverse Square Law with Half Value Layers for X-Rays
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High School Telescope with a pinhole as the Objective?
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Undergrad Intersecting 2 continuous laser in thin air to create a dot
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Graduate Longitudinal/transverse modes in optical cavity (resonator)
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Undergrad Wave interference - coherence and wavelength
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Undergrad How does NASA achieve zero gravity on their zero gravity flights?
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High School Is this an accurate description of standing waves?
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Undergrad How do interference and AR coatings work?
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High School What happens to absorbed colors in colored substances?
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Graduate Fourier-transform Infrared Spectroscopy Thin Film Thickness
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Undergrad What does object space and image space mean in optics?
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Undergrad Does light refraction play a role in bubble iridescence?
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Undergrad Can Dispersive Media Be Modeled Effectively as Fields?
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Graduate Newton's laws in polar coordinates
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High School Does Brewster's Law Apply to Opaque Materials?
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High School What are some limitations to Young's Double Slit Experiment?
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Undergrad Depth of field phenomena -- distant objects visible through close objects
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High School Slit Distance - Young's Double Slit Experiment
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Graduate What software and equipment do I need to view scanned surface data?
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Graduate Contrast-Calculation between two planes
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Undergrad The problem explaining how homopolar motors work
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Graduate How can I determine the length of a Multimode fiber?
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High School Goldfish bowl reflecting inside into apparent 3-D
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Graduate How could the "size" of a photon be measured?
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High School Experimental evidence that Snell's law is correct
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High School Reflection from smartphone screen
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Undergrad Can reflected light be used to create an accurate spectrometer?
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Undergrad Optical geometry of smartphone camera.
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Undergrad Can Light Accelerate When Changing Direction?
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Undergrad Understanding Optical Transformations
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High School Lenses and Pinholes: What Does "In Focus" Mean? - Comments
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Undergrad Unknown light-based Phenomenon
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Graduate Ikonal equation integration -- source code request
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Graduate Irradiance distribution of projected beam
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High School Double Rainbows and the direction of their colors
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Undergrad What properties allow me to see past Earth's curvature?
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High School What are the applications of H & K sheet polaroid?
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Undergrad Strange Optical Phenomenon (diffraction or something else?)
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Undergrad Polarization of light and diffuse/specular reflection
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Undergrad How Do Color Differences Affect Wall Surface Temperatures?
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Graduate What is the gradient in polar coordinates?
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Graduate What do polarisation lens block?
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What is the cause of this sound from the tube light?
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Undergrad What topics are best for study of how gravity light works?
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High School Sunlight absorption spectrum and colors in sunlight
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Graduate Wave properties from the differential equation of a wave
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High School Do light and sound waves roll up and break like ocean waves?
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Undergrad Apparent depth when two or more refracting surfaces are present
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Undergrad Diffraction work differently on water waves vs light waves?
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High School Help with Physics lab idea (creative)
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High School Is it possible to bend a laser beam?
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Undergrad Does Reflecting Light Through a Birefringent Crystal Compensate Walkoff?
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Undergrad Why does red food coloring look green when it dries?
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Undergrad Ellipsometry- why is UV better than Visible light?
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Graduate Light-beam propagation across impassable barrier?
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Undergrad Light reflecting through a geometry
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Undergrad F-ratio Calculation for Telescope Cover Modification
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High School How does the wavelength change the amount of refraction?
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Undergrad Understanding the transmission of an etalon
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High School What is the Relationship Between Candelas, Watts, and Brightness?
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Undergrad Can a vector with zero magnitude have certain direction?
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Graduate Generating Audio Signals from Lasers: Theoretical Possibilities?
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Graduate Closely-Spaced Modes in Birefringent Single-Mode Fibers?
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Undergrad How does changing projector lenses affect brightness?
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Undergrad Lower microwave absorption efficiency to increase penetration (cooking)
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High School Objects smaller with distance (again)
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Graduate Does the Photon Defy the Rules of Special Relativity?
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Undergrad On an object's size vs distance relation
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High School If lasers cross-over, do they "add up"
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Undergrad Can violet lasers trick our eyes into seeing white?
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Graduate Use of a half wave plate plus polarizer to attenuate lasers?
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Undergrad Understanding Metal's Lustre: Why Does Specular Reflection Occur?
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Undergrad Light bulbs -- is there a continuous wave spreading out?
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Undergrad Spectrometer: bandpass and resolution
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Graduate How Did Light and Oxygen Influence the Evolution of Eyes and Lungs?
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Graduate How does one dimensional light warp multiple dimensions?
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Graduate Light - Black-bodies & Spontaneous / Stimulated Emission.
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Undergrad Uses for laser light in measuring hair width
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High School What type of spectrum is a rainbow?
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Graduate Dependence of index of refraction on frequency
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Graduate Light in a medium: do phonons store light energy?
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Undergrad Order Maxima under the Fraunhofer Envelope
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Undergrad How to Perform Spectral Analysis at Home: Tips and Tricks
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High School Obtaining spectrum of Sodium from Sodium Vapour Lamp
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Undergrad Emission Spectra: Gas Temperature & Glass Prism
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Graduate Speed of Light Thought Experiment
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Graduate How can light propagate through Hollow optical fiber.
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Graduate Understanding Infrared Spectroscopy: Analysis of a Recorded Spectrum
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