Optics Forum

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Undergrad Light year long stick question
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3K
High School Wireless power and lighting ball
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1
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High School What is the reflection angle of a golf ball after being struck by a putter?
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22
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High School Compound Microscope, Ray Diagram Mistakes.
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6
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High School Calculating Camera Lens Diameter with a Ruler
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4
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High School What is the difference between standing waves and reflection in waves?
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28
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Undergrad Why can't X-Rays travel through water?
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8
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High School Why is the color white not a mirror?
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19
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High School Stars & Electromagnetic Spectrum
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3
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Graduate Optical Noise Photons: Calculate Sun's Ambient Light for Detector Simulation
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12
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Graduate Natural Light and Linear Polarizer
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5
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Undergrad Do multiple lens cameras refract light differently to a single lens ones?
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7
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Graduate 4 slit interference, unequal separation
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11
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4K
Graduate Estimating irradiance on a square planar surface
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1
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Graduate Understanding Stability Conditions for Unsymmetric Optical Resonators
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2
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High School Why Do Lights Appear to Shine?
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9
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Undergrad Diffraction gratings and angular separation
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1
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Undergrad Light Intensity Model: Showing Minimal Difference at Off Point
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5
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Graduate Why does recombination in PN junctions release photons?
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2
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Graduate Classical index of refraction theory
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3
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Graduate Interference of Light - Variations in Intensity
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5
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Undergrad What does it mean to change the polarization of a laser beam
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3
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Graduate Photometric and Radiometric measurement concepts
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8
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Graduate Why is my reflected trajectory not the expected direction of [0,0,-1]?
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5
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Undergrad Question about UV LED fluorescence
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12
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High School Can dispersion of light take place through lens?
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2
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Undergrad Why do LEDs continue to emit light?
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2
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Graduate Why is radiance defined per projected area normal to the beam direction?
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4
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Undergrad How does the power of a lens affect its ability to focus light?
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Graduate Lightweight Tubular Frame: Can it Float?
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4
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Graduate Movement and Properties of Light
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7
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Graduate Fourier Optics: Why Does a Lens Perform a Fourier Transform?
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1
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High School Snell's Law: From n sin theta to n1sintheta1 = n2sintheta2
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1
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Graduate Optics: Design of Beamsplitter Ge on KBr substrate
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1
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Graduate Behaviour of light thru a glass rod 'end to end'
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15
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Undergrad Reflection and refraction with equal refractive indices?
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2
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Best laser pointer for optics lab?
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3
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Undergrad Why do Fresnel rings appear in laser beam experiments?
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7
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Graduate Reconstructing an image out of a white surface light information.
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6
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Graduate Simple (?) question regarding reflection of light
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2
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Graduate X-ray to Microwave fluorescence
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2
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High School Can Our Eyes See Objects in the Nanoscale?
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7
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Graduate Optics - Obtaining structure of an object using a laser
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5
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Undergrad Double Slit Diffraction Problem
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5
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Graduate Derivation of waveguide condition for two light rays
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3
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Any good softwares for drawing optical schematics?
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2
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High School Using solar cell as a power laser meter
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1
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Graduate Difference between spin and helicity for a photon
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2
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Graduate Refraction-Speed difference at different wavelengths
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10
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Undergrad Is refractive index on each side of the parallelepiped the same?
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3
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Undergrad Light Wave & Air Molecule Interaction: Question
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3
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Undergrad Why is light attenuation not linear?
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1
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Graduate Laser focal point manipulation
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Undergrad Is it possible to partially reflect microwaves as we can do with light?
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9
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Undergrad How is the focal length of an objective calculated?
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4
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Graduate Do photons pass through each other?
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2
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Undergrad Can light travel as a longitudinal wave?
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2
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Graduate What does negative contrast look like?
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2
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Graduate Calculating the Frequency of White Light
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4
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Graduate Why do we aim for Single Mode waveguides?
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2
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High School Measuring the Wavelength of Light
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3
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High School Four-Level Laser System: Why Less Energy?
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1
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Undergrad Can't find any micrograph for glass
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7
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Graduate Polarization state conventions
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3
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Undergrad Light ray simulator? Snell's law/refraction
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2
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High School Prism Experiment: Seeing a Wide Spectrum of Light?
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1
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Undergrad Fresnel Equations and Snells Law
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1
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Graduate Jones Vector of Linear Polarization
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2
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Graduate How do charges in a wall cancel out incoming electromagnetic waves?
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4
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Undergrad Asking for guidance on the physics of light spectrum
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2
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High School Does light continue to travel through space after its source is removed?
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12
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Graduate Confusion regarding Standing Waves and Reflection resulting in Phase Change
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Graduate Assigning a Size to Particles and Strings: From Planck Scale to the Universe
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5
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Undergrad How can we make invisible lights visible?
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3
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Undergrad Exploring Gas Temperature Measurement with Infrared Laser Technology
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5
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Graduate Relationship between elements and speed of light
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1
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High School Lightening & Lightening conductors
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6
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Graduate How does light interference occur when EM radiation interacts with itself?
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2
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High School Please explain the appearance of a laser
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2
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High School Why can light go through some matter but not other matter?
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7
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High School Is There a Difference Between Positive and Negative Charge Light?
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17
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Undergrad Is the Momentum of EM Radiation Influencing Electron Behavior?
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8
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High School Evaporation of water from non polar surfaces
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4
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High School Can anyone explain? [how image is formed in a mirror]
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4
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Graduate Clarifying Coherent and Incoherent Sum of Plane Waves
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3
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Graduate Microscopy: Deconvolve the PSF and enhance resolution
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4
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High School What Makes Sunlight's Spectrum Superior to Flashlight Light?
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8
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Graduate Asymmetric transmission of Infrared
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11
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Graduate Is the Existence of an Antiparticle of Photon Possible in the Cosmos?
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23
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Undergrad Microscope magnification with camera
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10
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Graduate Unraveling Diffraction: Understanding Variable Relationships
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5
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Undergrad Light coming straight from an object not affected by Polarizer?
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1
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Graduate The Power of Circulating Light: Optical Force Explained
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8
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Undergrad Dispersion of light through a prism and block, changing the incident angle
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1
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Undergrad Why Does a Wave Reflect with Double Amplitude at a Free End?
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6
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Undergrad Is the Velocity of Light Undefined?
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15
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Undergrad How many times does a atom excitate when light shines onto it?
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3
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Undergrad How do i calculate this -- Using numerous parabolic mirrors to focus light
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24
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Graduate How does Irradiance change with magification?
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1
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Graduate Off-Axis Mirror Collimated Beam Contour
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