Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Pinhole-modulated cameras for instant focal plane detection. (b) By inserting an off-axis pinhole at the Fourier plane, we can effectively change the view angle of the sample. (c1) A 3D-printed plastic case was used to assemble the pinhole-modulated camera. (c2) The off-axis pinhole was punched by a needle on a printing paper. (d) We attached the assembly to the eyepiece ports of a microscope platform.
