GarytheSnail, 5 months ago Think glass pipe versus glass cylinder or rod. Though, I don’t think the hollow core is fully empty, it has some structure to it. Here is an example Source: www.rp-photonics.com/hollow_core_fibers.html
Think glass pipe versus glass cylinder or rod. Though, I don’t think the hollow core is fully empty, it has some structure to it.
Here is an example
Source: www.rp-photonics.com/hollow_core_fibers.html