Patent ID: 7347629
Filing Date: 2008-03-25
Classification: G02B

Abstract:
1. A semiconductor laser module comprising: a laser holder that has an end portion and that is formed with a through-hole opened on the end portion; a semiconductor laser that is provided on the laser holder and that has a light-emitting portion for emitting a laser beam passing through the through-hole; a sleeve that is fixed to the end portion so as to block the through-hole and that is formed with an insertion hole; an optical fiber that is disposed in the insertion hole and that has an incident face, the laser beam being capable of entering the incident face; an annular member that is provided on the end portion of the laser holder to encircle outside of the sleeve to be separated from the sleeve with a space between the annular member and the sleeve; and a flexible member that is affixed to the sleeve and the annular member for covering the space.