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Scattering of light by dust particles
Jul 31, 2023
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4
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2K
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Stimulated Emission & Emitted photon direction
Jul 31, 2023
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1
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2K
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Why are light waves depicted as lines, circles, and sinusoids?
Jul 30, 2023
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18
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3K
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Is this material is good for fiber optics and who would buy it?
Jul 29, 2023
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2
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2K
B
Scattering of light inside a room
Jul 26, 2023
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22
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2K
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How is it possible to measure an IR LED source in mW/sr?
Jul 15, 2023
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16
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3K
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How to Measure Magnification of a Lens System with Liquid Surface
Jul 14, 2023
2
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40
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4K
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What exactly is deconvolution doing?
Jul 6, 2023
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13
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2K
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Questions About Bragg's Law of X-Ray Diffraction
Jul 3, 2023
2
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54
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7K
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2mm x 2mm mirror array construction - can you help?
Jul 2, 2023
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2
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2K
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Optics: infinite light source illusion question - can you help?
Jul 2, 2023
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8
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2K
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Photodetector Output & Refractive Index of FO Cladding/Coating
Jun 24, 2023
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1
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2K
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Does light propagate as a wave of little bullets?
Jun 20, 2023
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34
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3K
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May I treat the light from a star as a light beam?
Jun 7, 2023
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11
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2K
Light Transmission Through Half-Hollow Sphere
Jun 2, 2023
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5
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2K
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Does light ever go from the eye to the image?
Jun 1, 2023
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17
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2K
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Shouldn't the refracted ray be along the boundary here?
May 29, 2023
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5
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2K
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Shape of Lenses -- Why are they always circular?
May 28, 2023
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12
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2K
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Why do we use low-coherence light in Optical Coherence Tomography?
May 5, 2023
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1
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2K
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How Does Light Remain After Polarization Despite Changes in Its Electric Field?
Apr 22, 2023
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10
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2K
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Light Refraction, Biconvex Lens, Diagram Help
Apr 21, 2023
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9
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2K
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Four-way beamsplitter implementation
Mar 29, 2023
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4
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2K
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Outer layer refractive index - total internal refection on waveguide
Mar 25, 2023
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2
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2K
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A cone of photons from one (of many seen objects) hits the retina....
Mar 24, 2023
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25
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2K
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Exploring Particle/Wave Duality in Photons
Mar 24, 2023
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12
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2K
Evaluate the outgoing radiation from an optical fiber on a surface
Mar 18, 2023
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1
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2K
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Applications of Virtual objects
Mar 13, 2023
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9
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2K
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The kinetic energy of proton-electron for a black body
Mar 7, 2023
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8
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2K
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What Powers Light? Exploring Photon Energy Across the Galaxy
Mar 4, 2023
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13
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2K
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Fourier optics model of a 4f system
Feb 23, 2023
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1
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2K
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Grating Resolving Power of Laser Beams with Gaussian Distribution
Feb 15, 2023
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2
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2K
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Class debate: Everything we see is a result of reflected light
Feb 10, 2023
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18
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2K
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William Herschel's light experiment
Feb 1, 2023
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15
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2K
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Issues collimating my laser with 4f system
Jan 29, 2023
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9
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2K
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Expose a Hidden Message w/ Polarisation Filters
Jan 25, 2023
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5
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2K
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Mirror rotates any polarisation by 90°?
Jan 24, 2023
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6
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2K
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Paraxial ray tracing: fixing image/height w/o knowing stop location
Jan 15, 2023
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3
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2K
Trying to Understand the Polarization of light
Jan 9, 2023
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6
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13K
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Why does a spyglass or binoculars zoom in?
Jan 7, 2023
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17
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2K
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Energy of Electromagnetic Waves in Destructive Interference
Dec 30, 2022
2
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54
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6K
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How to calculate focal length?
Dec 21, 2022
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8
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2K
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How does an eye reconstruct an image?
Dec 20, 2022
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9
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2K
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Light coupling from optical fiber to glass?
Dec 17, 2022
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25
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3K
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Discover the Best Microscope for Sperm Cell Observation | AMScope M158C-E
Dec 16, 2022
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1
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1K
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Interesting Optical Phenomenon
Dec 15, 2022
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3
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2K
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Geometrical Optics: Explaining the Effects of Small Wavelengths
Dec 12, 2022
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3
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2K
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How to compute phase gradient from Snell's law?
Dec 7, 2022
Replies
1
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2K
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Minimum light bulb wattage for solar simulator
Nov 25, 2022
Replies
11
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3K
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Plane wave decomposition method in scalar optics
Nov 14, 2022
Replies
1
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2K
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What is the angle of the Sun on June 21 & Dec 21 at US Zip Code 37129?
Nov 1, 2022
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2
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2K
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Diffraction from a set of concentric rings with random phase
Oct 29, 2022
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2
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2K
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Deciphering the Symbolic Shapes in Fundus Images: A Question on their Meaning
Oct 27, 2022
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7
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2K
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Image appears outside of q -- Lens Maker's Equation confusion
Oct 21, 2022
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17
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3K
Understanding Reflection of Light on a Concave Mirror
Oct 19, 2022
5
Replies
172
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16K
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Lost Aspheric Lens Design Equation Found
Oct 7, 2022
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2
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2K
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Scattering and non-imaging optics
Sep 29, 2022
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15
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2K
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Difference between Working distance and object distance
Sep 24, 2022
Replies
1
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2K
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Total focal length and magnification
Sep 24, 2022
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4
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2K
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What Determines the Speed and Clarity of Signals in Wave Physics?
Sep 18, 2022
Replies
6
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2K
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How can I derive this relation from Snell's law?
Sep 15, 2022
Replies
1
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2K
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Light coupling in fiber optic cables
Sep 9, 2022
Replies
22
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2K
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Iphone Reflection has a pattern
Sep 8, 2022
Replies
2
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2K
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Validity of Fresnel Approximation
Sep 6, 2022
Replies
2
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2K
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Using simple lenses to image AFM Probes
Aug 29, 2022
Replies
10
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2K
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Investigating a 3D Color Hue Phenomenon with Blender and Just Color Picker
Aug 24, 2022
Replies
2
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2K
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Doubts about Fourier transform of IR spectroscopy
Aug 22, 2022
Replies
3
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1K
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Huge farsightedness/nearsightedness lens
Aug 22, 2022
Replies
10
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1K
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What does "1 diopter of astigmatism" mean?
Aug 18, 2022
Replies
4
Views
2K
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Why do we always see interference pattern in Michelson interferometer?
Aug 18, 2022
Replies
9
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2K
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Using Lenses with Laser Diode Microscope to Reduce Aberrations
Aug 14, 2022
Replies
1
Views
1K
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Focusing UV light from a 275nm LED down to a small spot
Aug 3, 2022
Replies
10
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2K
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Quetelet rings on LCD displays?
Jul 24, 2022
Replies
3
Views
1K
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Constructive interference of harmonic electromagnetic waves
Jul 20, 2022
Replies
5
Views
2K
Uncovering the Colored Light Beam: Exploring Polarising Light Waves
Jul 6, 2022
Replies
2
Views
9K
Homopolar motor teaches about the Lorenz Force
Jul 4, 2022
Replies
1
Views
12K
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Do materials have a refractive index for radio waves?
Jul 2, 2022
Replies
5
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2K
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Lens angle of coverage/image circle
Jun 29, 2022
Replies
5
Views
1K
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Apparent Depth - What remains constant?
Jun 27, 2022
Replies
5
Views
2K
Diffraction of RF - how is it affected by frequency?
Jun 27, 2022
Replies
5
Views
2K
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Question about polarization of light by scattering in the atmosphere
Jun 3, 2022
Replies
7
Views
2K
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Could the Sun burn an image sensor of a star tracker in space?
May 29, 2022
Replies
3
Views
2K
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Russia Claims Laser Weapon Can Destroy Drones: Is it Possible?
May 20, 2022
Replies
2
Views
1K
I
Pentaprism with magnification, which surface is curved?
May 18, 2022
Replies
2
Views
1K
A
Diffraction of spherical wave by plane grating
May 13, 2022
Replies
1
Views
1K
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A double slit thought experiment leading to a paradox
May 11, 2022
Replies
4
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1K
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Thought experiments suggest problem with published work
May 7, 2022
Replies
8
Views
1K
B
Intuitive, conceptual understanding of holography
May 2, 2022
Replies
3
Views
1K
I
Polarizing filter synthesis and dynamics
Apr 21, 2022
Replies
4
Views
1K
Can you trap light indefinitely?
Apr 21, 2022
2
Replies
37
Views
34K
I
Find the interference function for different emission modes
Apr 19, 2022
Replies
2
Views
1K
B
A variation on the Fresnel Spot experiment
Apr 19, 2022
2
Replies
36
Views
3K
B
Number of fringes in a 2-slit diffraction pattern
Apr 15, 2022
Replies
6
Views
3K
Collimating a laser beam with a fixed focal point?
Apr 2, 2022
Replies
9
Views
3K
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Interference - two waves of different frequencies - beat velocity
Mar 25, 2022
Replies
4
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2K
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What does a "phase reversal" really do?
Mar 24, 2022
Replies
3
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2K
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Finding focal length of the lens using "u-v" method
Mar 22, 2022
Replies
8
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2K
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Experimental demonstration of an absorption spectrum
Mar 17, 2022
Replies
7
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2K
B
Exploring Light with a DIY Spectroscope
Mar 9, 2022
Replies
3
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2K
A
A question about photolithography (optical lithography)?
Feb 24, 2022
Replies
4
Views
1K
Is there any smart material that gets lighter/heavier?
Feb 17, 2022
Replies
10
Views
5K
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