At 26:43 three steps to achieving a HeNe laser appear on the screen. Step 3 has a typo. "100 nm" should be "100 ns". Another typo at 16:52. A factor of A/B is missing after the second "=" sign. The wavelength of a He-Ne laser is 632.8 nm. I mistakenly say it is 632.6 nm at 25:31.
@owen71853 жыл бұрын
I have a huge interest in the videos you've provided. In my opinion good engineers understand the physics behind what they're doing. Today not all universities focus on this
@stephenremillard12 жыл бұрын
Thank you for letting me know about your interest. I totally agree on the need for engineering students to understand the physics behind the practice. I see too many trying to wiggle out of courses like E&M and Dynamics, and some engineering schools even seem to enable this.