Optics Forum

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Infrared and NIR Camera Sensitivity
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Can Two Intersecting Laser Pulses Create a Visible 'Flash' in Midair?
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Breaking EM Destructive Interference
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Can physics shed light on the nature of human consciousness ?
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Why doesn't light go faster than c?
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Understanding Unpolarized Light: A Scientist's Perspective
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Sunlight & Earth: 8.3 Minute Delay?
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5
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Understanding Diffraction Gratings: Optimal Blazing Angle and Wavelength
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Reason behind so called Optical illusion or Simultaneous contrast
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Interference fringe of light beams of different frequencies
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WHen x-rays hit the anode is it true that they become accelerated
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I have a very basic question about wave interference and more
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Optical design of surgical loupes
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Homopolar Generator: 0.1V Output, No Current
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An object that has direction but no magnitude?
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Is Natural Unpolarized Light Equivalent to Randomly Fluctuating Elliptic Light?
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Can visible violet light be harmful?
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Shape Tealight Flame - Simple Sphere & Cylinder
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Relation between absorption and refraction
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Interference Patten in standing waves
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Distance, Time relation and light.
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How light from a dead star reaches Earth?
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Understanding How Gravity Bends Light and Relates to General Relativity
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Central Maxima & Interference: Investigating Intensity
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Traveling Faster Than Light: Effects and Possibilities
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Comparing power ratings between CW and pulsed laser
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What is the root source of Light ?
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Absolute and apparent magnitude
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Why X-Rays can go through Materials
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6
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Why do we apply sign conventions to optics formulae?
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2
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Proving Optical Law in plane mirror
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Beautiful Natural Oceanic Diffraction Patterns
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Question for the use of Woolaston Prism in OPTICAL TWEEZER
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Do we see multiple images in mirror?
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7
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Is light wave also transverse in media?
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How does Rayleigh scattering work?
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Questions about light absorption
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Stimulated Emission by Laser discussion
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6
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Physics - Single Slit Diffraction
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How does coherence length of light depend on wavelength bandwidth?
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Lightning Rods: Can They Stop Thunder?
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Is the maximum wavelength of light bounded by the size of the universe?
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Can Scientists Break the Speed of Light Barrier with Subatomic Particles?
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What is the difference between emissivity and reflectivity?
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How Does Rotating a Glan-Thompson Polarizator Affect Brewster's Angle?
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Superposition of simple harmonic oscillations
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Thin film interference concept
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Comparing Plank's Length Models: ENERGY & C
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Basic question about measurement of thin film by means of spectral reflectance
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HiWhen the concept of polarization is introduced, it is usually
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5
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Would space lightning last longer then earth lighting?
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21
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Which is better for concentrating sunlight ?
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4
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How can microwaves melt metal?
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24
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Radio waves & information transition
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Radio waves propagation & ionosphere
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Light passing through a lens diffraction phenomenon
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What is reflection and refraction of light at the microscopic scale?
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3
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Fix Headlight Problem on 2008 VW Rabbit
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Problems Collimating 1550nm light
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2
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Light Particle & Wave: 4D Space Reality?
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Why Does Wavelength Affect Sound Diffraction Around Obstacles?
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5
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What is the reason for the equality of gain and losses in CW lasers?
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Amplitude - photon correspondence
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Earth/Moon trip with slow light
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Phase shift of reflected light wave
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Image Formation and Reflection
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Applying directed energy to photons
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Constant in Modes of Optical Fiber
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Absorbtion of light- a dillema
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CERN's OPERA Experiment: Measuring Faster-Than-Light Speed
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Jones vector of circularly polarized light
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Laser - Einstein's Coefficients
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Speed of Light: Is it An Assumption or Empirically Demonstrated?
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Understanding Laser Output: Power Levels and Temporal Profile Revealed
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Removing speckle in Nd:YAG laser
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Curvature to mirror and focus light?
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47
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Can you explain why we see a reflection when looking into glass?
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Comparing GRIN Lenses vs Convex for Laser Beam Collimation
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Rayleigh Scattering and Density
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Concave Lens _ Image Formation
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Diffraction of blue and red light on a prism
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Can a Body Exceed 3/4 Speed of Light in Water?
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Hear Better At Night: Explaining Sound Refraction
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Is It Safer to Stay in Water or on Land During a Lightning Strike at the Beach?
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31
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Using phones when its lighting and thundering
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9
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Not satisfied with the explanation for refraction I have got
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1
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Does a Spherical Lighting Rod Provide Better Protection Than a Long Rod?
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Relationship between density and refractive index of a medium
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How can light be detectable everywhere?
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31
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Laser Cooling in Atomic Experiments: Understanding the Use of Multiple Beams
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Crazy thing happens when I play with my laser
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Linear Polarization: Magnetic Field Effects
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2
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Wave interference and superposition
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Ideal optical collimation system
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Refractive Index Lab: Sources of Error Using Optical Pins & Glass Prism
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A definition for the normal in reflection and refraction?
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2
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Can I Increase Power of Disco Light Lamp?
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Light through a dense material
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Practical implementation of focused UV laser
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2
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Laser beams and beat frequency.
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2
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