Optics Forum

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Can a Tower Emit Light by Changing its Frequency to Match Visible Light?
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Polarization of Electromagnetic Waves: A Quantum Perspective
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Why does the direction of light change during refraction if the speed
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How can a thin mirror show such vast depths?
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How Effective Is a Fresnel Lens in Transporting Light Through Fiber Optics?
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Tracing the Light Path of a Green Laser Pointer
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How to calculate radius of curvature of a reflector
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Why does light behave differently when reflecting off flat and curved surfaces?
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Optical Detection of Earth's Coriolis Force?
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Magnitude and Light brightness question
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What is the difference between a quantum and photon?
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Mirror phenomenon after a shower
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How Does Light Behave Before Passing Through a Slit in Diffraction Experiments?
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Wave interference in a car at speed
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How does light illuminate objects? (help me in a debate)
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Measuring Light Output - Howdy Yall
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Magnitude vs Direction: Difference & Definition
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Simple radio wave reflection question
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Light Speed Internet: Questions & Answers
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25
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Discover the Power of 5.8GHz Laser Technology for Efficient Radio Links
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Why is wave diffraction around object better at longer wavelength?
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Derivation of Law of Refraction
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Practical Report For Investigation to flight (wind tunnel)?
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When emitting a photon, does the body exert an opposite force?
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Complex refractive index mesurement from reflectivity data
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Amplitude will change after unpolarised wave passes through a polariod
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Traveling at the speed of light and time travel?
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Why concave reflectors work better than a plane reflector
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Once to light never back again
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So confused about reflection from metal surfaces
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Is a refrigeration laser thermodynamically possible?
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28
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Circular motion - Force perpendicular to velocity does not change magnitude.
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Snell's law with complex n, interpret complex angle?
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How come there is visible light in Uv lights?
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Constructive interference - energy non-conservation?
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How does refraction of light take place?
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Questions regarding the constant of light and photons
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Airborne Laser Testbed: Physics & Why Airborne?
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4
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Why do glass and crsytals absorb light?
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Is there a shortcut for finding theta4 using Snell's Law when theta2 is known?
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Speed of light and Time Travel
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How do I asses the % of light transmission that passes through glass
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Orthogonality of time dependent vector derivatives of constant magnitude
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What Is the Mass of Sunlight in a Thought Experiment?
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Furthest distance a light source can be seen
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If infared energy makes things hotter, why do microwaves use radio waves?
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11
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Velovity of a light beam in an arc
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How Do X-Rays Reveal Bone Structure and Can Their Settings Be Adjusted?
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Geometric optics and photography
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Magnitude and direction of force
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Can Light Be Trapped Between Mirrors and Is There Energy Loss?
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Why is the Speed of Light what it is
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Why does glass not permit long wavelength infrared to pass through?
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Need to release as a LASER beam in order to ionize a certain substance
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X-Ray Emission from Synchrotrons vs. Cyclotrons
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Why can wire mesh reflect radio waves for telescope dishes?
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Power of laser vs Power of X-ray
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Gravity Affects Light: Is What We See Real?
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Speed of light in a medium other than vacuum
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If light has momentum then wouldn't it have force?
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Why are ants immune to microwaves?
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How is light produced in the following?
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Optics: Real vs Virtual Images
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Can Multiple Laser Beams Be Combined into a Single Powerful Beam?
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Why does a microwave oven heat food faster than a black body?
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Understanding Refraction and Reflection for Beginners
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Inverse square law and superposition.
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At what point does light come into existence from when it leaves its source?
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Do lightwaves exist? and what exactly is light?
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What Are the Best Optical Filters for Diverging Light?
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Priciple of Optical Reversibility - How can it be proved?
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Change of phase in total internal reflection
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Altitude, gravity, and air density effects on flight
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How diffraction of a wave through a aperture in terms of the uncertain
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Spatial Light Modulator to remove high intensity light
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What is the significance of Q in understanding curved mirrors?
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How to send and receive radio waves?
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Polarization of laptop display
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Colors in white light visible to the naked eye?
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Why the Sun's Light is a Continuous Spectrum of Visible Range
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Punches his opponent at the speed of light
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Optical Tweezers: Intuitive Explanation
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A question of combining laser light
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Where does light go when we switched off the Source of light.
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Finding a Material to Reflect Radio Waves
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Materials with an index of refraction of zero
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Polarization of Light: Explained
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Can a Laser Really Shoot Down a Drone? Watch the US Navy's 30 Second Video!
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What is the reason for phase change of light on reflection from a denser medium?
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Monochromatic to Polychromatic Laser beam
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Understanding 3D Glasses: How Polarization Works and the Role of Mirrors
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What is the Difference Between Real and Virtual Images Formed by Mirrors?
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Light & Photon: Explaining Wave vs Particle Theory
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See Infrared in Naked Eye | Tips & Techniques
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Visible light Absorption Spectra vs Color of mineral
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Why Is My DIY Laser Sound Project Not Working?
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Lasers - energy per round-trip
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Maximizing Solar Energy Efficiency: A Thermodynamics Question"
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Diffraction Pattern Explained: What is it?
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How do diffraction and refraction affect wave propagation?
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