Patent ID: 7977127
Filing Date: 2011-07-12
Classification: G02B,H01S,H04B

Abstract:
1. An optical transmission module comprising: a first optical device arranged in an output side; a second optical device arranged in alignment with the first optical device with respect to those optical axes; a carrier on which either the first or the second optical device is fixed; an element support member having a first surface fixed on the carrier and a second surface vertical to the optical axis; a package for housing the first and the second optical devices, the carrier, and the element support member; and an optical guide unit for guiding light emitted from the first optical device to outside the package, wherein the element support member includes a small carrier holding part in a U-shape for holding a small carrier and a columnar upstanding part fixed on a side surface vertical to the optical axis of the small carrier, and a bottom surface thereof is the first surface and a surface at a small carrier side of the upstanding part is the second surface.