Insights Blog
-- Browse All Articles --
Physics Articles
Physics Tutorials
Physics Guides
Physics FAQ
Math Articles
Math Tutorials
Math Guides
Math FAQ
Education Articles
Education Guides
Bio/Chem Articles
Technology Guides
Computer Science Tutorials
Forums
Trending
Featured Threads
Log in
Register
What's new
Search
Search
Everywhere
Threads
This forum
Search titles and first posts only
Search titles only
By:
Menu
Log in
Register
Navigation
More options
Contact us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
Physics
Classical Physics
Optics Forum
Post thread
1
2
3
11
21
31
41
51
61
65
Filters
Show only:
Loading…
Title
(No prefix)
(No prefix)
B
I
A
(No prefix)
B
I
A
B
Pfund's method for refraction
Today, 2:35 AM
Replies
10
Views
86
I
Lens Calculations to Focus Light
Yesterday, 7:16 PM
Replies
7
Views
75
I
Recreating Spectral Response from 6-Channel Color Sensor
Sunday, 7:26 AM
Replies
2
Views
120
I
Calculating the Raleigh Criterion constant to 99 significant figures
Nov 23, 2023
Replies
2
Views
510
A
Diffraction theory, power density and angle of incidence
Nov 23, 2023
Replies
5
Views
192
I
Help with sourcing a specific type of integrating sphere
Nov 22, 2023
Replies
2
Views
161
I
Measuring reflectance of a non-planar object w/ an integrating sphere
Nov 21, 2023
Replies
6
Views
293
I
Creating a wavelength selectable light source with diffraction grating
Nov 20, 2023
Replies
2
Views
188
I
Does a Fabry Perot cavity charge in discrete steps?
Nov 20, 2023
Replies
9
Views
351
I
What happens if I place light sources on the plane perpendicular to the principle axis of cylindrical lens?
Nov 14, 2023
Replies
1
Views
156
I
What website/software can draw optics setups like this?
Nov 12, 2023
Replies
0
Views
147
A
Laser and nano-holes experiment
Nov 12, 2023
Replies
0
Views
165
How to find the orientation of polarization of a polarizer
Nov 4, 2023
Replies
6
Views
3K
I
Can n-slit interference produce subwavelength stripes?
Nov 4, 2023
Replies
6
Views
300
B
(Huygens) Irving Giant Pinhole variation: Extend it with a 70 mm tube?
Nov 2, 2023
Replies
4
Views
333
I
Doubts about diffraction
Oct 31, 2023
Replies
3
Views
315
I
Optical Effect: curved light source when seen through the bus window
Oct 26, 2023
Replies
5
Views
264
I
Pyroelectric Sensor Lens
Oct 25, 2023
Replies
1
Views
288
I
Invisible IR Ink detection
Oct 20, 2023
Replies
3
Views
295
I
Hue Calculations from RGB
Sep 28, 2023
Replies
19
Views
647
I
Optical pumping vs Rabi cycle - what is the difference between their conditions?
Sep 18, 2023
Replies
5
Views
515
B
Huygens Question - Using a Pinhole Box in the Giant Pinhole Irvine
Sep 18, 2023
3
Replies
70
Views
2K
I
How different is a calcite crystal from a polarizer?
Sep 14, 2023
Replies
3
Views
593
I
Reflection, refraction, and Snell's law
Sep 11, 2023
Replies
23
Views
2K
I
Huygens' principle doubt -- How do different shapes of wavefronts appear to the human eye?
Sep 1, 2023
Replies
28
Views
855
Define the polarization in TE/TM modes
Aug 31, 2023
Replies
4
Views
12K
I
Sine laws of spherical singlets
Aug 19, 2023
3
Replies
72
Views
2K
Looking for trigonometric ray tracing software for optics
Aug 19, 2023
Replies
22
Views
888
A
Spherical aberration in Biconvex lens
Aug 9, 2023
Replies
9
Views
1K
I
Sagnac Interferometer (Fiber Gyro)
Aug 9, 2023
Replies
1
Views
432
I
Automatic double lens glasses?
Aug 8, 2023
Replies
3
Views
490
I
My spectacles defy the laws of physics
Aug 7, 2023
Replies
13
Views
872
I
Tilted plane wave through a 2 lens system
Aug 6, 2023
Replies
5
Views
531
A
Stimulated emission/absorption - which equations act on external targets?
Aug 6, 2023
Replies
2
Views
545
A
Calculating the optical depth of an inhomogeous gas
Aug 2, 2023
Replies
0
Views
433
B
Scattering of light by dust particles
Jul 31, 2023
Replies
4
Views
553
I
Stimulated Emission & Emitted photon direction
Jul 31, 2023
Replies
1
Views
507
B
Why are light waves depicted as lines, circles, and sinusoids?
Jul 30, 2023
Replies
18
Views
825
B
Is this material is good for fiber optics and who would buy it?
Jul 29, 2023
Replies
2
Views
548
B
Scattering of light inside a room
Jul 26, 2023
Replies
22
Views
670
Mirror phenomenon — Concentric halos around eyes in a foggy bathroom
Jul 20, 2023
2
Replies
48
Views
17K
A
How is it possible to measure an IR LED source in mW/sr?
Jul 15, 2023
Replies
16
Views
1K
I
How to Measure Magnification of a Lens System with Liquid Surface
Jul 14, 2023
2
Replies
40
Views
2K
A
What exactly is deconvolution doing?
Jul 6, 2023
Replies
13
Views
883
I
Questions About Bragg's Law of X-Ray Diffraction
Jul 3, 2023
2
Replies
54
Views
3K
I
2mm x 2mm mirror array construction - can you help?
Jul 2, 2023
Replies
2
Views
584
I
Optics: infinite light source illusion question - can you help?
Jul 2, 2023
Replies
8
Views
802
B
Does light propagate as a wave of little bullets?
Jun 20, 2023
Replies
34
Views
1K
I
Photodetector Output & Refractive Index of FO Cladding/Coating
Jun 17, 2023
Replies
0
Views
580
I
May I treat the light from a star as a light beam?
Jun 7, 2023
Replies
11
Views
1K
Light Transmission Through Half-Hollow Sphere
Jun 2, 2023
Replies
5
Views
662
B
Does light ever go from the eye to the image?
Jun 1, 2023
Replies
17
Views
936
B
Shouldn't the refracted ray be along the boundary here?
May 29, 2023
Replies
5
Views
760
B
Shape of Lenses -- Why are they always circular?
May 28, 2023
Replies
12
Views
807
I
Why do we use low-coherence light in Optical Coherence Tomography?
May 5, 2023
Replies
1
Views
581
I
Polarization of Light -- Please help me with some basic questions
Apr 22, 2023
Replies
10
Views
977
I
Light Refraction, Biconvex Lens, Diagram Help
Apr 21, 2023
Replies
9
Views
908
A
Four-way beamsplitter implementation
Mar 29, 2023
Replies
4
Views
603
I
Outer layer refractive index - total internal refection on waveguide
Mar 25, 2023
Replies
2
Views
648
B
A cone of photons from one (of many seen objects) hits the retina....
Mar 24, 2023
Replies
25
Views
1K
I
Exploring Particle/Wave Duality in Photons
Mar 24, 2023
Replies
12
Views
719
Evaluate the outgoing radiation from an optical fiber on a surface
Mar 18, 2023
Replies
1
Views
663
I
Applications of Virtual objects
Mar 13, 2023
Replies
9
Views
1K
I
The kinetic energy of proton-electron for a black body
Mar 7, 2023
Replies
8
Views
790
B
What Powers Light? Exploring Photon Energy Across the Galaxy
Mar 4, 2023
Replies
13
Views
1K
A
Fourier optics model of a 4f system
Feb 16, 2023
Replies
0
Views
825
I
Grating Resolving Power of Laser Beams with Gaussian Distribution
Feb 15, 2023
Replies
2
Views
805
I
Class debate: Everything we see is a result of reflected light
Feb 10, 2023
Replies
18
Views
1K
I
William Herschel's light experiment
Feb 1, 2023
Replies
15
Views
912
I
Issues collimating my laser with 4f system
Jan 29, 2023
Replies
9
Views
1K
I
Expose a Hidden Message w/ Polarisation Filters
Jan 25, 2023
Replies
5
Views
792
I
Mirror rotates any polarisation by 90°?
Jan 24, 2023
Replies
6
Views
930
I
Paraxial ray tracing: fixing image/height w/o knowing stop location
Jan 15, 2023
Replies
3
Views
902
Trying to Understand the Polarization of light
Jan 9, 2023
Replies
6
Views
12K
I
Why does a spyglass or binoculars zoom in?
Jan 7, 2023
Replies
17
Views
1K
I
Energy of Electromagnetic Waves in Destructive Interference
Dec 30, 2022
2
Replies
54
Views
4K
I
How to calculate focal length?
Dec 21, 2022
Replies
8
Views
997
I
How does an eye reconstruct an image?
Dec 20, 2022
Replies
9
Views
1K
I
Light coupling from optical fiber to glass?
Dec 17, 2022
Replies
25
Views
2K
B
Help needed on buying a microscope
Dec 16, 2022
Replies
1
Views
777
I
Interesting Optical Phenomenon
Dec 15, 2022
Replies
3
Views
1K
B
Geometrical Optics: Explaining the Effects of Small Wavelengths
Dec 12, 2022
Replies
3
Views
993
A
How to compute phase gradient from Snell's law?
Dec 7, 2022
Replies
1
Views
890
I
Minimum light bulb wattage for solar simulator
Nov 25, 2022
Replies
11
Views
1K
I
Plane wave decomposition method in scalar optics
Nov 14, 2022
Replies
1
Views
917
I
What is the angle of the Sun on June 21 & Dec 21 at US Zip Code 37129?
Nov 1, 2022
Replies
2
Views
1K
A
Diffraction from a set of concentric rings with random phase
Oct 29, 2022
Replies
2
Views
983
I
Question on fundus images
Oct 27, 2022
Replies
7
Views
1K
I
Image appears outside of q -- Lens Maker's Equation confusion
Oct 21, 2022
Replies
17
Views
1K
Understanding Reflection of Light on a Concave Mirror
Oct 19, 2022
5
Replies
172
Views
13K
I
Lost Aspheric Lens Design Equation Found
Oct 7, 2022
Replies
2
Views
1K
I
Scattering and non-imaging optics
Sep 29, 2022
Replies
15
Views
1K
I
Difference between Working distance and object distance
Sep 24, 2022
Replies
1
Views
999
I
Total focal length and magnification
Sep 24, 2022
Replies
4
Views
981
I
Signals and group velocity
Sep 18, 2022
Replies
6
Views
1K
I
How can I derive this relation from Snell's law?
Sep 15, 2022
Replies
1
Views
977
I
Light coupling in fiber optic cables
Sep 9, 2022
Replies
22
Views
1K
A
Iphone Reflection has a pattern
Sep 8, 2022
Replies
2
Views
957
I
Validity of Fresnel Approximation
Sep 6, 2022
Replies
2
Views
1K
I
Using simple lenses to image AFM Probes
Aug 29, 2022
Replies
10
Views
1K
1
2
3
11
21
31
41
51
61
65
Forums
Physics
Classical Physics
Hot Threads
I
How fast does a blastwave travel?
B
Can a skateboarder ride faster by holding a water bottle?
I
I need some support, please, for a gravity assist analysis
I
Do objects always rotate around center of mass?
I
Number systems in science
Recent Insights
Insights
Series in Mathematics: From Zeno to Quantum Theory
Insights
Epsilontic – Limits and Continuity
Insights
The Poor Man’s Milli-Ohm Meter
Insights
Differential Equation Systems and Nature
Insights
Beginner's Guide to Precalculus, Calculus and Infinitesimals
Insights
Precalculus, Calculus and Infinitesimals
Back
Top