Optics Forum

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Undergrad Diffraction of light in a tunnel
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Undergrad Velocity in plane polar coordinates
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Undergrad Focal length of the optical system
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Undergrad What Happens When an Object Is Placed at the Focus Point of a Lens?
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Graduate Radiance change with light distance
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Graduate Are all physics theories reliant on "the speed of light"?
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Undergrad How Do We Perceive Violet with Only Three Color Detectors in Our Eyes?
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High School A good introduction on light propagation mode
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Undergrad What does this subscript signify?
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Graduate How to calculate refractive index from reflectance values
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Graduate Quarter Wave Plates and Interference
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Graduate Relation between intensity and amplitude
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Undergrad Can interference occur without the use of single slit?
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Graduate Light in a medium - Question about the FAQ
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Graduate Light intensity and index of refraction
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High School Light Intensity: Is it Decreasing at 1/r2?
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Undergrad Optical system & diffraction limit
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Undergrad Polarization of clear plastic - a puzzle
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Undergrad Does the Refractive Index of Materials Change with Temperature and Wavelength?
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High School Question about concave mirrors
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High School Speed of light vs Speed of sound
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Graduate How can I show that the amplitude of a reflected wave?
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Graduate Solar panels and optical parametric oscillator
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High School Difference between impulse and magnitude of force
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Graduate Is a given expression a travelling wave?
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High School Sound Refraction: Does Sound Follow Light Laws?
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Undergrad Diffraction Gratings: Understanding Spectroscopes Using Pringles Tubes
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Undergrad Photons = Wavelike, Particle-like, or Both?
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Undergrad Superposition principle and information
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Graduate Rotation of the reflection coeff. at Smith Chart w/ frequency
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Graduate Neon energy levels in He-Ne laser
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Undergrad Why do sunsets appear different colors than the sky?
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Undergrad Rayleigh Scattering: Learn About It Here
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Graduate Is speed of thought greater than light?
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Undergrad Light & Blackholes: Unraveling the Mysteries
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High School Virtual image and Virtual Object
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Graduate Can a mallot on Earth wake up a cat on a planet 300,000 km away?
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Undergrad Does a Light Pulse Undergo Phase Shift in a Denser Medium?
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Undergrad Is the speed of light based on an incorrect assumption?
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Undergrad Why does wood move when charged with the same rod as an aluminium can?
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Graduate Imaging CDs, DVDs or other optical media under SEM
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Graduate Scattering of X-rays and polarization
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Undergrad How Does Angular Resolution Differ from Other Types of Resolution?
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High School Laser Beam Diameter: Why Can't Power Be Increased?
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Undergrad Type of laser -- which is easiest to make?
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Undergrad Application of advanced spectrometer in geometrical optics?
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Graduate FBG Wavelength Reflection in Double-Clad MMF for 910 nm Laser Diode
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High School How do cameras focus on reflected images?
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Graduate What Are the Latest Theories on Ball Lightning and Its Mysteries?
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Graduate What restricts two separte sources of light to act coherent?
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Undergrad What Causes Optical Density in Media?
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Undergrad What Color Light Works Best for Outdoor Data Transmission Over Long Distances?
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Graduate VECSEL laser tuning (question kindly reply)
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Graduate Bending Light? – Questions & Answers
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Undergrad Hand drawn ray tracing through an optical system
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High School Why does light bend on refraction?
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Undergrad What Does a CCD Pixel Measure?
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High School Tree Trunk Illusion: Does it Disappear Over the Horizon?
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Graduate Are holograms able to reconstruct wavefronts in all directions?
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Undergrad Particle size and scattering of light
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Undergrad Young's double slit experiment vs single slit
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High School Why an Object Reflects a Specific Colour
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High School Why the sky is blue and not violet?
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Graduate Can Light Be Stretched in a Lab to Reveal Atoms?
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Graduate What lenses and setup should I use for a very narrow beam projector?
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Undergrad Parabola incoming ray not parallel to axis
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Graduate Is the superposition of forces an inevitable mathematical consequence?
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Undergrad Compound Microscope Magnification @ Infinity
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Graduate Calculating Spectral Power Distribution of White LED
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Undergrad Death Ray New Approach - Is It Possible?
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Undergrad Understanding Fraunhofer Diffraction Patterns of Circles and Slots
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High School Difference between black and transparent object
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Undergrad Car getting struck by lightning
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Undergrad Principle of Least Time Question
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Undergrad Shouldn't the index of refraction change?
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High School Why does or doesn't a rainbow form?
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Graduate Ray optics of a telescope question
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Undergrad Reflection coefficient calculation
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Undergrad Diffraction Grating: Does Light Excite Electrons or Pass Through Holes?
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Undergrad Interference of light (perpendicular plains)
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Undergrad Spoon Optics-Virtual Inverted image with a concave mirror
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Undergrad Why do polarizers only work within a certain range?
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High School Do we know what radio waves look like?
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Graduate Seeing a laser pointer from 16km away
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Graduate Why no transparent materials with large refractive index?
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Undergrad Help with physics of flight paths?
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High School Plastic or glass that can block one colour/ wavelength?
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Undergrad The Young Double-Slit Experiment
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Graduate Modified plano-convex lens doubt
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High School Spectrograph to measure the Sun's light
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Graduate Can a Convex Lens Converge a Tilted Wavefront?
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Undergrad Why don't compound microscopes use an erecting lens like terrestrial telescopes?
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Undergrad Multiple images in a thick mirror
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Graduate Is Long-Distance Laser Cooling Feasible?
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Undergrad Focal length from thin lens to object distance
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High School If light cannot bend, then how magnify glass works?
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Graduate Radio wave propagation in water
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Graduate Double slit - why vertical strips?
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Graduate Two foci on rectilinear congruence of light rays
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High School Constructing a Hollow Glass Prism for Science Experiment
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