Kuzumoto Masaki
Kwak Kyu-Sub
Kwon Hoki
Kwon Young Key
Labranche Bruno
Lacey Jonathan
Lachance Richard L.
Ladany Ivan
Laeri Franco Giulio
Lalezari Ramin
Laloux Bernard
Lambda Physik Forschungs-und Entwicklungsgesellschaft
Lane Steve Haydn
Langenbach Eckhard
Langton Richard L.
Lanzerotti Louis D.
Laporta Paolo
LAS Laser Analytical Systems, Inc.
Laser Diode Array, Inc.
Laser Photonics, Inc.