Optics Forum

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Undergrad Radio waves & information transition
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High School Radio waves propagation & ionosphere
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Undergrad Light passing through a lens diffraction phenomenon
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Graduate What is reflection and refraction of light at the microscopic scale?
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Graduate Deducing the film thickness of this ques below:
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High School Fix Headlight Problem on 2008 VW Rabbit
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Graduate Problems Collimating 1550nm light
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High School Investigating the Effects of Reflected Sun Light on Solar Cell Output
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Graduate Light Particle & Wave: 4D Space Reality?
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Graduate Waves in periodic structures - Coupling of evanescent waves to propagating waves
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Undergrad Why Does Wavelength Affect Sound Diffraction Around Obstacles?
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Graduate What is the reason for the equality of gain and losses in CW lasers?
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Undergrad Amplitude - photon correspondence
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Graduate Earth/Moon trip with slow light
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Graduate Phase shift of reflected light wave
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High School Image Formation and Reflection
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Graduate Applying directed energy to photons
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Graduate Constant in Modes of Optical Fiber
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Graduate Absorbtion of light- a dillema
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Undergrad CERN's OPERA Experiment: Measuring Faster-Than-Light Speed
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Graduate Jones vector of circularly polarized light
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High School Do Luminous Objects Create Light?
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Graduate Laser - Einstein's Coefficients
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Graduate Speed of Light: Is it An Assumption or Empirically Demonstrated?
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Undergrad Understanding Laser Output: Power Levels and Temporal Profile Revealed
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Graduate Removing speckle in Nd:YAG laser
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High School Curvature to mirror and focus light?
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High School Can you explain why we see a reflection when looking into glass?
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Graduate Comparing GRIN Lenses vs Convex for Laser Beam Collimation
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Graduate What Is the Real-Time Position of the Sun in the Sky?
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Have You Experienced This Visual Phenomena with Oil Droplets?
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Undergrad How does polarisation affect a lit candle near a Van de Graaff Generator?
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Graduate Rayleigh Scattering and Density
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Undergrad Concave Lens _ Image Formation
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Undergrad Diffraction of blue and red light on a prism
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High School Infrared Wave Length & Working Range
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Undergrad Can a Body Exceed 3/4 Speed of Light in Water?
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High School Hear Better At Night: Explaining Sound Refraction
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High School Is It Safer to Stay in Water or on Land During a Lightning Strike at the Beach?
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High School Using phones when its lighting and thundering
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Undergrad Not satisfied with the explanation for refraction I have got
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High School Does a Spherical Lighting Rod Provide Better Protection Than a Long Rod?
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Undergrad Relationship between density and refractive index of a medium
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Undergrad How can light be detectable everywhere?
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Graduate Laser Cooling in Atomic Experiments: Understanding the Use of Multiple Beams
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Undergrad Focusing on a small image from a short distance
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High School Young Double Slits Experiment: Investigating Fringe Width
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Undergrad Crazy thing happens when I play with my laser
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Undergrad Linear Polarization: Magnetic Field Effects
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Undergrad Wave interference and superposition
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Graduate Ideal optical collimation system
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High School Refractive Index Lab: Sources of Error Using Optical Pins & Glass Prism
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High School A definition for the normal in reflection and refraction?
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High School Can I Increase Power of Disco Light Lamp?
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Undergrad Light through a dense material
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Graduate Fresnel equations at normal incidence
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Graduate Practical implementation of focused UV laser
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Graduate Understanding Gaussian Beam Contraction and Divergence in Optics
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Undergrad Laser beams and beat frequency.
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High School Does light travel in a straight line trough air?
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Graduate Effect of apperture diffraction and fourier plane
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Graduate TE / TM polarization of a Laser Diode
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Undergrad Effective Focal Length of Multiple Lenses
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High School What is the origin of the strange shadow in a laser beam?
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Undergrad Seeing red/green/violet lines around an object
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Graduate Prism Design to Filter Out Infrared Light
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Undergrad Does greater light intensity imply greater energy?
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Graduate Unpolarising Light: Can You 'Rescatter' the E and B Fields?
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Undergrad What is the formula for the angle of deviation in a thin prism?
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Graduate Different expressions for the polarization
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Undergrad About wave interference
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Graduate Applicability of Kramer Kronig relation in the context of normal dispersion
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Graduate CPC and Fresnel Lenses for Solar Cell Power
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Graduate Angular distribution of diffusely scattered light
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Undergrad Can you change the wavelength of light without disorting its path?
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Undergrad Help understanding light intensity
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High School Optics question. Given Diameter and object distance find image distance.
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Graduate Why Is a Complex Index of Refraction Necessary?
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High School Convergin and divergent lens, rare situations
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Graduate Derivation of Young's double slit formula problem
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Undergrad Question about photon absorbtion/emission by hydrogen
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Graduate General rule of resolution of optical systems
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Graduate Index of refraction for LCP/RCP light
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High School Is during lightning clouds losses some its mass?
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Graduate Faster than light information transfer
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Undergrad Slowing down the speed of light in a medium
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Graduate Why is there a phase change in reflection and why is it always \pi?
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Undergrad Why is Glass Opaque to IR and UV, But Not Visible Light?
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Undergrad Diffraction Through a Sub-Wavelength Sized Slit?
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Undergrad Light waves are one half kinetic and one half potential energy
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Undergrad Hypothetical situation, what is seen before light arrives?
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Undergrad What happens when an object is placed at the focal point of a convex lens?
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High School Rainbow Shape: Why Is It Always an Arc?
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Undergrad Calculate focused spot size - Gaussian FWHM
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Undergrad Lightbulbs flicker due to AC. Why does this not show up in photographs?
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Undergrad What should be a very simple optics question is giving me problems (two lenses)
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Undergrad Optics Question - How is light divided into a 2d image?
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Undergrad New news about neutrinos moving faster than the spead of light?
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Undergrad Why does light bend while changing media?
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Undergrad Help Finding a Simple Fiber Optic Sensor for Pressure/Temp Measurement
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