A lens adjustable laser diode package

Author

Kumazawa, Tetsuo ; Shimaoka, Makoto ; Yagiu, Yasutoshi ; Sasayama, Atsushi

Author_Institution

Hitachi Ltd., Ibaraki, Japan

fYear

1990

fDate

20-23 May 1990

Firstpage

214

Abstract

A lens-adjustable method allowing correction of optical offaxial alignment to the correct axis position is proposed. The method is effective even after the lens is fixed. The lens-adjustable structure utilizes a special lens holder, a thin-walled pipe. The pipe is deformed plastically at its root and modified to achieve maximum fiber output power. This method is effective even if a 100-μm offaxial displacement initially exists. The holder was incorporated into a high-bit-rate optical isolator package, which allowed high-efficiency coupling. This package also shows good reliability

Keywords

fibre optics; microassembling; optical communication equipment; optical couplers; packaging; semiconductor junction lasers; 100 micron; correction of optical offaxial alignment; deformed plastically; high-bit-rate optical isolator package; high-efficiency coupling; lens adjustable laser diode package; lens holder; lens-adjustable structure; offaxial displacement; reliability; thin-walled pipe; Bit rate; Diode lasers; Isolators; Laser beams; Lenses; Optical coupling; Optical fiber communication; Optical fibers; Packaging; Power generation;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronic Components and Technology Conference, 1990. ., 40th

Conference_Location

Las Vegas, NV

Type

conf

DOI

10.1109/ECTC.1990.122191

Filename

122191