Optics Forum

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Undergrad How to make laser energy consistent?
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Undergrad Laser to determine effect of sucrose concentration on refractive index
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Undergrad The Double Slit Experiment and the amplitude of light
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High School Can a Magnifying Glass and Prism Create an Ignitable Rainbow?
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Undergrad Calculation of reflection coefficient
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Graduate Light released within a sphere with a perfectly opaque inner surface
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High School Why does a light blinking quickly average out as 'on' to us?
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Undergrad Does White Light Really Exist as One Wave?
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High School Light -- why does it bend/refract?
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Graduate Speed of light in unusual materials
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Undergrad What Causes Cloud-to-Ground Lightning Instead of Intra-Cloud Discharge?
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Graduate What is the meaning of the delta in Fermat's principle integral?
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High School Tracing a laser pointer with IR camera
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High School Light converging inside the eye
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Undergrad Width of a wire grid polarizer
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Undergrad The Difference in Refraction Angles of Different Colored Light
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Undergrad Snell's Law: Definition, Equations, Refractive Index & Critical Angle
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Graduate Single Slit Diffraction: Definition & Equations
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Graduate What are Nonlinear Optics - 2nd Order Processes
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Graduate How Does Nonlinear Optics Impact Light Propagation in Media?
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Undergrad Understanding the Thin & Gaussian Lens Equations
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Undergrad Definition of Intensity of Radiation
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Undergrad The meter, the second, and the speed of light
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Graduate Understanding Gaussian Beams: Definition, Equations, and Parameters
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Undergrad Diffraction Definition & Common Examples
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Graduate What is the Double Slit? A 5 Minute Introduction
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Graduate How Does a Circular Aperture Affect Light Diffraction?
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High School Why Does Laser Light Bend in a Spring?
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Graduate Why Is the Denominator in Fermat's Principle (c/n) Instead of (cn)?
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Undergrad Optics: how to make eye focus in distance?
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Undergrad What is the maximum switching speed for electromagnet polarity?
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Graduate What is the working principle of wire grid polarizers?
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Optic microscopes. New illumination technic
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Graduate What Does Plane Wave of Infinite Extent Mean in Optics?
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Undergrad Refraction of Light: Does Color Change?
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Undergrad Intensity and frequence of light
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Graduate Making a 50 um collimated beam on a budget
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Undergrad Comparing K and k in Hecht's Optics Book
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Undergrad AM Radio Interference: FAQs & Solutions
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Graduate Laser Beam - Divergence and Solid Angle
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Graduate Ultraviolette Catastrophy -Intensity causes melting of objects?
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Graduate Soft X-Rays: Causes & Energy Rates
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Undergrad Ray diagrams, lenses and microscopes
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Graduate Correlation operation as measure of similarity between two functions
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Undergrad Why do clouds cast shadows in space?
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Graduate Optical tweezers for manipulating atoms together to form new structure
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High School Why does 'white light' from the Sun look yellow?
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Graduate Oscillating E Field Interpretation of Light
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Graduate Divergence angle of light exiting a nano-etched single mode fiber
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Graduate E&M simple polarizability question
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Graduate Inverse Problems in Scattering
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Undergrad Oversampling and phase retrieval in Fraunhofer diffraction
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Graduate Poynting vector and intensity in scalar diffraction theory
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Graduate Understanding the Phase Shift Formula in Stimulated Brillouin Scattering
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Graduate What Is the Relationship Between Radiant Intensity and Radiance?
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Undergrad Why Does Microwaving a Grape Produce Plasma?
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Graduate Mechanistic analysis of lambertian and isotropic radiators
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Undergrad Why Does a Fresnel Lens Create an Upright Image in a Galilean Telescope Setup?
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Undergrad Why is cold gas used for producing an absorption line spectrum?
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Graduate Proof of Fermat and Huygens–Fresnel principle
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Graduate Lasers: Power and wavelength dependence
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Graduate Understanding Light: Electric & Magnetic Propagation
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Graduate Lens to lens distance is not 2f in "4f system"
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High School A Descriptive Explanation of Photons required
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Graduate A square looks at light squared
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High School Light Absorption and Transmission
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Graduate What is the direction of the anode heel effect in a rotating anode x-ray tube?
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Graduate Defining Plane of Incidence for Normal Polarized Wave
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Graduate Is the Speed of Light Changing? Implications for Permittivity and Permeability.
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Undergrad Why do manufacturers use a gas that emits UV light in fluorescent light bulbs?
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Graduate Relation between Hamiltonian of light ray and that of mechanics
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Graduate Help with Order of Magnitude Estimations and Dimensional Analysis
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High School Mirror Reflection: Why Does Object Look Smaller?
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Graduate Can a thick pinhole create a spot smaller than the diffraction limit?
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Undergrad Understanding single slit interference
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High School Lenses question -- Can lenses Magnify?
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Graduate How Can I Mathematically Represent the Polarization of a Laser Beam?
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High School Why does the thunder from lighting last much longer than the flash?
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Undergrad Calculate the intensity of a solid object made up of point light sources?
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Undergrad Enhance Visibility with Metal Spray Coating for X-Ray Applications
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High School Why don't mirrors invert the image vertically?
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Undergrad Characteristics of beam splitters
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Undergrad Focal Length of a Plano Convex Lens
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Graduate Light Plane Photography - Is my explanation correct?
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Graduate Calculating Air Extinction Coefficient at 275 nm Wavelength
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Graduate On the clockwise rotation of the reflection coefficient with frequency
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High School Mediums that only refract light
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Undergrad Appearence of objects which do not reflect light
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High School How can I see something that has no mass ?
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Undergrad Spectral response and selectivity
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High School Second focal point of a concave lens
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Undergrad Why Does a Convex Lens Create a Flower-Like Light Pattern?
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Undergrad Insulating box in a lightning storm
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Graduate Photon Direction: What Determines the Emission?
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Graduate How do laser interferometers measure distances greater than 1wavelengt
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High School Can you explain the science behind how a rainbow is formed?
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Graduate Conditions for Double-Slit Interference in Quantum Mechanics
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Graduate Polariton Beams Provide Coherent Energy for 250x Less Power
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Graduate Simulation of a Gaussian beam in an optical waveguide
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Undergrad Light and Conservation of Energy
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