Pigtailed laser device based on spherical lens coupling

摘要

A pigtailed laser device based on spherical lens coupling includes: a semiconductor laser device, and a focusing lens device connected to the semiconductor laser device; wherein the semiconductor laser device is coaxially mounted on a rear portion of a laser tube holder, a focusing lens is glued on a spherical lens holder and is mounted at a front portion of the laser tube holder without deviation; a connecting ring is externally mounted on the laser tube holder without deviation; a coupling adjusting mechanism is mounted at a rear portion of the laser tube holder, comprising an axle sleeve and an optical fiber fixing tube; the connecting ring is mounted on the laser tube holder by laser spot welding, the connecting ring is mounted on the axle sleeve by spot welding, and the axle sleeve is mounted on the optical fiber fixing tube by optical fiber spot gluing.

主权项

1. A pigtailed laser device based on spherical lens coupling, comprising: a laser tube holder (10) being hollow; a semiconductor laser device (11) coaxially mounted at an internal rear end of the laser tube holder (10), and a focusing lens device mounted at an internal front end of the laser tube holder (10); wherein the pigtailed laser device further comprises a connecting ring (7) and a tail sealing tube (4), wherein the connecting ring (7) is externally mounted on the laser tube holder (10) without deviation, and partly extends out of a front end of the laser tube holder (10); the tail sealing tube (4) is externally mounted on the connecting ring (7) and partly extends out of the connecting ring (7); a pigtail (2) is wrapped by an optical fiber protector (1), and then is inserted into the tail sealing tube (4), wherein the pigtail (2) is mounted inside the pigtailed laser device by a coupling adjusting mechanism.