Loading patent…
AssigneeFurukawa Electric Co., Ltd.
InventorsKoichi Miyazaki, Kiyokazu Tateno
Estimating the term…
The present invention provides a ferrule holder comprising an integral assembly which comprises first pinching portions for pinching the side of a ferrule in a optical ferrule-attached fiber through a line contact of about 2 mm in the longitudinal direction of the ferrule and second pinching members for pinching the side of the ferrule through a line contact of about 0.5 mm in the longitudinal direction of the ferrule, when the adjustment of optical axis in the optical ferrule-attached fiber is to be performed before it is optically coupled with an optical part. Since the adjustment of optical axis is performed while pinching the side of the ferrule through the relatively short line contact in the longitudinal direction of the ferrule after the ferrule has been fixed to a first supporting member, the sufficient range of leverage movement can be secured. At the same time, the YAG welding portions between the first supporting member and the ferrule can be prevented from being damaged or deformed due to an excess load thereon.
A ferrule holder for holding a ferrule in an optical ferrule-attached fiber when the adjustment of optical axis in said optical ferrule-attached fiber to be optically coupled with an optical part is to be performed, said ferrule holder being characterized by a pair of pinching members for pinching the side of said ferrule through a line contact relatively short in the longitudinal direction of the ferrule or a point contact.
A ferrule holder comprising a pair of pinching members for pinching a ferrule in a optical ferrule-attached fiber to be optically coupled with an optical part when the adjustment of optical axis in the optical ferrule-attached fiber is to be performed, said ferrule holder being characterized by that each of said pair of pinching members includes a pinching groove formed therein and extending along the axis of said ferrule.
A method of making a semiconductor laser module, said semiconductor laser module comprising a semiconductor laser element and an optical ferrule-attached fiber for receiving a laser beam emitted from the semiconductor laser element, said method being characterized by a step of performing the adjustment of optical axis in said optical ferrule-attached fiber while pinching the side of said ferrule through a line contact relatively short in the longitudinal direction of the ferrule or a point contact.
A method of making a semiconductor laser module, said semiconductor laser module comprising a semiconductor laser element and an optical ferrule-attached fiber for receiving a laser beam emitted from the semiconductor laser element, said method being characterized by a first step of performing the adjustment of optical axis in the optical ferrule-attached fiber while pinching the side of said ferrule at at least two locations through a line contact relatively long or short in the longitudinal direction of the ferrule or a point contact, and a second step of performing the adjustment of optical axis in said optical ferrule-attached fiber while pinching the side of said ferrule through a line contact relatively short in the longitudinal direction of the ferrule or a point contact.
A method of making a semiconductor laser module, said semiconductor laser module comprising a semiconductor laser element and an optical ferrule-attached fiber for receiving a laser beam emitted from the semiconductor laser element, said method being characterized by a step of performing the adjustment of optical axis in said optical ferrule-attached fiber while pinching the side of said ferrule by and between pinching grooves formed by a pair of pinching members in a ferrule holder.
A method of making a semiconductor laser module, characterized by the steps of:
Dependencies are inferred from the claim text.