New post in Optics

Magnification of a real image formed by a concave lens

December 16th, 2022

Diffraction Grating Spectrometry Question

August 4th, 2022

Transmission vs reflection grating

February 27th, 2020

Is there a limit to the frame rate achievable with a high-speed camera?

May 16th, 2020

light intensity through a double slit

October 23rd, 2020

Actual definitions of screen and virtual image

March 17th, 2020

How fast would you have to run to create a mirror image?

November 7th, 2020

Help finding an alternative to the time average of the Poynting vector

April 26th, 2020

total intensity measurement (of the whole visible light spectrum; from 400 - 800 nm) with a powermeter PM100?

September 5th, 2020

Is there any relation between focal length and aperture of a spherical mirror?

February 27th, 2020

Which colour comes out first from a prism?

March 12th, 2020

Perspective Redux (why objects seem smaller as the distance increases)

March 13th, 2020

Is the kinetic energy of an electron always $1.6 \cdot 10^{-19}~\text{J}$?

December 12th, 2020

Can focal length of convex lens be negative?

May 26th, 2020

Fringe pattern in Lloyd mirror

December 20th, 2020

Observer looking out through the window of a train

June 27th, 2020

Is a rainbow parabolic? Why or why not?

May 1st, 2020

Microscope Objective / NA, F/#, Exit aperture - when are they non-intuitive?

December 3rd, 2020

Half wave plate and angular momentum

April 18th, 2020

Why do things that are far away seem smaller?

March 8th, 2020

How to determine divergence of a LED source from a single biconvex lens

August 1st, 2022

Why is laser light a cone?

September 5th, 2020

Do all light rays from a point passing through a thin lens converge at the image?

November 10th, 2020

How can I estimate the elasto-optic coefficients ($p_{11}$ and $p_{12}$) of a material?

December 30th, 2020

Converting between brilliance, intensity, and flux

June 21st, 2020

why does the graph of deviation angle in a prism doesn't get a symmetry?

August 10th, 2022

Why is light with a small wavelength required to have a rectilinear path?

August 1st, 2022

Explanation of Michelson Interferometer Fringe Shift

June 14th, 2020

Why do we use Mie scattering to describe light scattering off large objects?

July 17th, 2020

How does autorefractor work?

August 6th, 2022