Optical element module, and apparatus and method for fixing...

Details Optical element module, and apparatus and method for fixing... Optical element module, and apparatus and method for fixing...

2006-06-06

2006-06-06

Lee, John D. (Department: 2874)

Optical waveguides

Accessories

External retainer/clamp

C385S052000

Reexamination Certificate

active

07058276

ABSTRACT:
A semiconductor laser (41) is fixed onto a base part (22) with a submount (32) and a reference optical axis (5) is determined by the semiconductor laser (41). A groove (222) having a U-shaped section is formed on a bonding part (221), and solder (31) is applied in the groove (222) and melted and a collimator lens (42) supported by a supporting arm (61) is moved to the groove (222). A light beam emitted from the semiconductor laser (41) is guided through the collimator lens (42) to an image pickup part (7), where an image representing the state of the light beam is acquired. The collimator lens (42) is positioned with respect to the reference optical axis (5) on the basis of the image and fixed onto the base part (22) out of contact therewith, with the solder interposed therebetween. This simplifies a structure of an optical element module (11) in which the collimator lens (42) is positioned with respect to the reference optical axis (5) with high accuracy.

REFERENCES:
patent: 5745624 (1998-04-01), Chan et al.
patent: 6222579 (2001-04-01), Sousa
patent: 2004/0028348 (2004-02-01), Cote et al.
Mitsuhiro Yano and Koichi Nishizawa “Optical and Electro-optical Engineering Contact” (Japan Optomechatronics Association, Dec. 12, 1996, vol. 34, No. 12 (1996), pp. 619-627 and 636-640).
Kazuhiko Kurata and Mitsuo Usui “Optronics” (Optronics Co., Ltd., Apr. 10, 1999, No. 4 (1999), pp. 129-133 and 140-149).
Renshi Sawada “Optronics” (Optronics Co., Ltd., Jul. 10, 1999, No. 7 (1999), pp. 149-155).

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