Optics Forum

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Undergrad Photodetector Output & Refractive Index of FO Cladding/Coating
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Graduate IR Laser diode focusing and module selection for CSEL Laser pointer
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High School Does light propagate as a wave of little bullets?
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Undergrad May I treat the light from a star as a light beam?
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High School Calculating non-dielectric reflectance without using complex numbers
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Undergrad Light Transmission Through Half-Hollow Sphere
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High School Does light ever go from the eye to the image?
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High School Shouldn't the refracted ray be along the boundary here?
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High School Shape of Lenses -- Why are they always circular?
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High School Prism Camera Lens: Expanding Visible Light Spectrum?
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High School To measure light's frequency, do we interact with each crest + trough?
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Undergrad Unidentified Luminescent Phenomena (ULP)
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Undergrad Why do we use low-coherence light in Optical Coherence Tomography?
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Undergrad How Can Two Waves with Different Amplitudes Be in Phase?
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Undergrad How Does Light Remain After Polarization Despite Changes in Its Electric Field?
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Undergrad Light Refraction, Biconvex Lens, Diagram Help
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Graduate Need help implementing finite difference method for BPM
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Graduate Four-way beamsplitter implementation
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Undergrad Outer layer refractive index - total internal refection on waveguide
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High School A cone of photons from one (of many seen objects) hits the retina....
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Undergrad How Do Photons Display Particle/Wave Duality in Optical Imaging?
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Undergrad Name for one kind of Czerny-Turner monochromator configuration?
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Undergrad Amplitude of the maximums in single slit diffraction
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Undergrad Applications of Virtual objects
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Undergrad Why is Cherenkov radiation blue? And what about refractive index?
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Undergrad Fabry-Perot Interferometer mirrors
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Undergrad The kinetic energy of proton-electron for a black body
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High School What Keeps Photons Traveling Across the Galaxy?
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Undergrad Two mirrors to focus sunrays into a tiny spot -- possible?
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Graduate Fourier optics model of a 4f system
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Undergrad Grating Resolving Power of Laser Beams with Gaussian Distribution
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Undergrad Class debate: Everything we see is a result of reflected light
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High School I still don't understand the propagation of light
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Undergrad William Herschel's light experiment
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Undergrad Issues collimating my laser with 4f system
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High School What Are the Dangers of Spectral Lines from EM Sources?
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Undergrad Expose a Hidden Message w/ Polarisation Filters
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Undergrad Mirror rotates any polarisation by 90°?
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Undergrad Light's properties (Why isn't the sky violet?)
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Undergrad Paraxial ray tracing: fixing image/height w/o knowing stop location
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Undergrad Trying to Understand the Polarization of light
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Undergrad Why does a spyglass or binoculars zoom in?
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Undergrad IR Laser makes glowing spot on radiometer vane
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Undergrad How to calculate focal length?
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Undergrad How does an eye reconstruct an image?
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Undergrad Light coupling from optical fiber to glass?
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Undergrad Intuitive approach to Huygens' principle
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High School Discover the Best Microscope for Sperm Cell Observation | AMScope M158C-E
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Undergrad Interesting Optical Phenomenon
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High School Geometrical Optics: Explaining the Effects of Small Wavelengths
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High School I don't understand exactly how the propagation of light works
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Graduate How to compute phase gradient from Snell's law?
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Undergrad Minimum light bulb wattage for solar simulator
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Graduate Why does the free end refraction occur after Brewster's angle in TM?
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High School Does the prism equation (i+e = A+δ) apply to all prisms?
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Undergrad Plane wave decomposition method in scalar optics
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High School What Color Do Mirrors on Earth Appear from Space?
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Undergrad What is the angle of the Sun on June 21 & Dec 21 at US Zip Code 37129?
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Graduate Diffraction from a set of concentric rings with random phase
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Undergrad Deciphering the Symbolic Shapes in Fundus Images: A Question on their Meaning
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Undergrad Are there inherent limits to Interferometer size?
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Undergrad Image appears outside of q -- Lens Maker's Equation confusion
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Undergrad Understanding Reflection of Light on a Concave Mirror
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High School Multimode optical fiber, physics beginner help :D
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Undergrad Lost Aspheric Lens Design Equation Found
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Undergrad Scattering and non-imaging optics
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Undergrad Difference between Working distance and object distance
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Undergrad Total focal length and magnification
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High School How to understand the steradians equation for measuring a sphere of light?
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Undergrad What Determines the Speed and Clarity of Signals in Wave Physics?
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Undergrad Mathematics for dancing laser beam
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Undergrad How can I derive this relation from Snell's law?
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Undergrad Light coupling in fiber optic cables
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Graduate Iphone Reflection has a pattern
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Undergrad Validity of Fresnel Approximation
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Undergrad Using simple lenses to image AFM Probes
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Undergrad Investigating a 3D Color Hue Phenomenon with Blender and Just Color Picker
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Undergrad Doubts about Fourier transform of IR spectroscopy
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Undergrad Huge farsightedness/nearsightedness lens
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Undergrad Lux & Lumens -- how do they work?
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High School What does "1 diopter of astigmatism" mean?
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Undergrad Why do we always see interference pattern in Michelson interferometer?
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Undergrad Focusing UV light from a 275nm LED down to a small spot
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Undergrad Quetelet rings on LCD displays?
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Undergrad Constructive interference of harmonic electromagnetic waves
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High School A friend of mine sent me these pictures showing multiple shadows
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Graduate Radiometric and Photometric units
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Undergrad What Causes the Colorful Effects in Polarised Light Waves?
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Undergrad Homopolar motor teaches about the Lorenz Force
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Graduate Kirchhoff's Three Laws of Spectroscopy
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Undergrad Do materials have a refractive index for radio waves?
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Undergrad Lens angle of coverage/image circle
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High School Apparent Depth - What remains constant?
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Undergrad Diffraction of RF - how is it affected by frequency?
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Undergrad Can you put out a fuse (fire) with a laser?
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High School Storing light and using it to propel an object
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High School Infrared Cameras -- Do they use a Lens to Focus?
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Undergrad Propagation of Angular Spectrum Code
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High School Calculating the Angle Between Virtual Sources of Fresnel's Biprism
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High School Space, Reflection: See Earth's Past in Mirror?
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