Abbreviated NOHD. The distance along the axis of an unobstructed laser beam from a laser, a fiber end, or connector to the human eye beyond which the irradiance or radiant exposure is not expected to exceed the applicable MPE.
a knowledge base provided by Kentek with reference and discussion board information about laser technology, laser safety, and photonics history
Abbreviated NOHD. The distance along the axis of an unobstructed laser beam from a laser, a fiber end, or connector to the human eye beyond which the irradiance or radiant exposure is not expected to exceed the applicable MPE.