Semiconductor laser module, optical measuring method and...

Details Semiconductor laser module, optical measuring method and... Semiconductor laser module, optical measuring method and...

2005-05-31

2005-05-31

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

Reexamination Certificate

active

06901095

ABSTRACT:
A package accommodates an LD device for emitting laser light with the center wavelength of which is in a range of 1300 to 1440 nm and airtight seals a light path extending from the LD device to an incident end of an optical fiber. The package is filled with a nitrogen gas at a standard atmospheric pressure with the amount of moisture limited to a value lower than 100000 ppm by volume or less. Therefore, the amount of moisture in the light path for laser light within the package is limited to 100000 ppm by volume or less.

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U.S. Appl. No. 09/486,727, filed Mar. 9, 2000.

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