"Formulary"



This is the start of a collection of "little helpers" and links that I found usefull.

colors of the visual spectrum:

wavelength:    nm




laser emission wavelengths:

element/type wavelength
Helium/Cadmium 322 nm
Argon 351 nm
Helium/Cadmium 442 nm
Argon 457 nm
Krypton/Argon 488 nm
Argon 514 nm
Helium/Neon 543 nm
Krypton/Argon 568 nm
Helium/Neon 633 nm
Krypton/Argon 647 nm




electrical properties of body tissues:

tissue permittivity resistivity Ohm*cm
skull 12.5 + i*3.4 588.2
eye 52.3 + i*23.2 86.2
muscle 55.0 + i*22.0 91.0
adipose tissue 5.5 + i*1.8 1111.1
skin 39.5 + i*14.0 142.9
brain grey matter 51.5 + i*15.8 126.6