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) The reported scheme using a low-cost liquid crystal display at the condenser diaphragm. (b) Different patterns can be displayed for achieving different microscopy modalities. (c) The experimental setup with a green LED as the light source. A $15 liquid crystal display (with back light removed) is placed at back-focal plane of the condenser lens. Media 1 (463.3KB, MP4) shows the different patterns on the display.
