Laser beam transmission apparatus

Details Laser beam transmission apparatus Laser beam transmission apparatus

2006-01-24

2006-01-24

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular resonant cavity

Specified cavity component

C372S108000, C359S721000, C385S033000

Reexamination Certificate

active

06990136

ABSTRACT:
A laser beam transmission apparatus comprises a light-incidence optical system (22) converging and focusing a laser beam emitted from a solid-state laser apparatus (1), and an optical fiber (8) which transmits the laser beam that has been converged and focused by the light-incidence optical system. The light-incidence optical system (22) has at least first and second lenses (13, 14) disposed on the same optical path. A first distance (a) between an output end of the solid-state laser apparatus and the first lens or a second distance (b) between the second lens and a light-incidence end of the optical fiber is freely set according to a relational formula based on a focal distance (f1, f2) of each of the first and second lenses.

REFERENCES:
patent: 4842360 (1989-06-01), Caro et al.
patent: 4907235 (1990-03-01), Kuizenga
patent: 6037579 (2000-03-01), Chan et al.
patent: 7-307513 (1995-11-01), None
patent: 8-167754 (1996-06-01), None
patent: 2001-94177 (2001-04-01), None

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