Integrated laser diode and fiber grating assembly
First Claim
Patent Images
1. A laser source assembly comprisinga hermetically sealable package;
- a laser diode mounted in said package;
an optical fiber section mounted in said package, said fiber section having an end proximate said laser diode to receive light output from said laser diode; and
a fiber Bragg grating in said package and connected to said fiber section so that light output from said laser diode transits said fiber Bragg grating.
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Abstract
A laser diode package assembly is described. Besides a laser diode, the package assembly has an optical fiber section having an end located to receive the light output from the laser diode. The optical fiber section also has a fiber grating designed to operate as a bandpass filter. The fiber grating inside the package assembly not only narrows the output wavelength from the laser diode, but also increases the lifetime of the laser diode.
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Citations
14 Claims
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1. A laser source assembly comprising
a hermetically sealable package; -
a laser diode mounted in said package; an optical fiber section mounted in said package, said fiber section having an end proximate said laser diode to receive light output from said laser diode; and a fiber Bragg grating in said package and connected to said fiber section so that light output from said laser diode transits said fiber Bragg grating. - View Dependent Claims (2, 3)
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4. A laser source assembly comprising
a hermetically sealable package; -
a laser diode mounted in said package; an optical fiber section mounted in said package, said fiber section having an end proximate said laser diode to receive light output from said laser diode and a fiber Bragg grating so that said light output transits said fiber grating. - View Dependent Claims (5, 6, 7, 8, 9)
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10. A laser source assembly comprising
a hermetically sealable package; -
a laser diode mounted in said package; an optical fiber section mounted in said package, said fiber section having a microlens at an end proximate said laser diode to receive light output from said laser diode and two fiber Bragg gratings of widened reflection ranges, each widened reflection range differing from the other so as to create a narrow transmission band through said two fiber Bragg gratings. - View Dependent Claims (11, 12, 13, 14)
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Specification