Patent ID: 7965748
Filing Date: 2011-06-21
Classification: H01S

Abstract:
1. A laser pump cavity comprising: a heat sink holder having a central through hole; a plurality of slot portions uniformly spaced and surrounding the through hole; and a plurality of single emitters, each single emitter comprising: a heat sink; and a single core disposed on the heat sink; wherein the single emitters are connected end to end forming at least one single emitter array, the at least one single emitter array being disposed in corresponding slot portions with each single core facing the through hole; wherein each heat sink comprises a main body and a protruding portion extending outward from a side surface of the main body, wherein a shoulder hole is formed therein that having a first opening on a top surface of the protruding portion and a second opening on a side surface of the main body and opposite to the first opening, and a diameter of the first opening being lesser than a diameter of the second opening such that the protruding portion of one heat sink being capable of inserted into the second opening of another heat sink; wherein a reflective cavity is disposed in the through hole that is used as pump cavity.