| [[File:AMCFinger_Print_with_laser.JPG|thumb|upright|A spare fiber was touched with bare hands and illuminated from the inside with a green laser. The bright spots indicate escaping light due to the presence of oils.]] | | [[File:AMCFinger_Print_with_laser.JPG|thumb|upright|A spare fiber was touched with bare hands and illuminated from the inside with a green laser. The bright spots indicate escaping light due to the presence of oils.]] |