Re: Looking for Instructions on How-to-Build a Simple Refractometer



W. Watson writes:

I'd like to measure the refractive index of a large, 24" diameter and
1" thick, clear glass. Anyone know of some simple way to build a
device to build a measurement device? I'm really looking for specific
instructions and drawing on how to do this.

Introductory optics textbook plus a laser pointer and ruler would do it.
.