Laser package having multiple emitters configured on a support member
First Claim
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1. An optical module apparatus comprising:
- a support member;
at least one laser diode device configured to emit a laser beam;
wherein the laser diode device comprises a gallium and nitrogen containing laser diode device configured to emit a laser beam characterized by emission selected from violet emission with a wavelength ranging from 395 nm to 425 nm, blue emission with a wavelength ranging from 415 nm to 485 nm, or green emission with a wavelength ranging from 500 nm to 560 nm;
a phosphor material;
one or more optical fibers configured to optically couple the laser beam to the phosphor material; and
an optical device configured to receive the laser beam, and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration;
wherein;
the support member is configured to transport thermal energy from the laser diode device to a heat sink;
the optical device comprises free-space optics configured to create one or more free space optical beams;
a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance; and
the optical module apparatus is characterized by an optical output power degradation of less than 20% in 500 hours when the optical module apparatus is operated within the optical output power with a constant input current at a base temperature of 25 degrees Celsius.
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Abstract
A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.
290 Citations
18 Claims
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1. An optical module apparatus comprising:
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a support member; at least one laser diode device configured to emit a laser beam;
wherein the laser diode device comprises a gallium and nitrogen containing laser diode device configured to emit a laser beam characterized by emission selected from violet emission with a wavelength ranging from 395 nm to 425 nm, blue emission with a wavelength ranging from 415 nm to 485 nm, or green emission with a wavelength ranging from 500 nm to 560 nm;a phosphor material; one or more optical fibers configured to optically couple the laser beam to the phosphor material; and an optical device configured to receive the laser beam, and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration;
wherein;the support member is configured to transport thermal energy from the laser diode device to a heat sink; the optical device comprises free-space optics configured to create one or more free space optical beams; a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance; and the optical module apparatus is characterized by an optical output power degradation of less than 20% in 500 hours when the optical module apparatus is operated within the optical output power with a constant input current at a base temperature of 25 degrees Celsius. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An optical module apparatus comprising:
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a support member; at least one laser diode device overlying the support member, the at least one laser diode device configured to emit a laser beam;
whereinthe at least one laser diode device comprises gallium and nitrogen and is configured to emit a laser beam characterized by emission selected from violet emission with a wavelength ranging from 395 nm to 425 nm, blue emission with a wavelength ranging from 415 nm to 485 nm, green emission with a wavelength ranging from 500 nm to 560 nm, and a combination thereof; a combiner configured to receive at least one laser beam from the at least one laser diode device; and
to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration;a phosphor material optically coupled to the output beam, wherein the support member is configured to transport thermal energy from the at least one laser diode device to a heat sink; the output beam is characterized by an optical output power of at least 5 W; and a thermal path from the laser device to the heat sink is characterized by a thermal impedance of less than 4 degrees Celsius per electrical watt of input power.
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18. An optical module apparatus comprising:
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a support member; at least one laser diode device overlying the support member, the at least one laser diode device configured to emit a laser beam;
whereinthe at least one laser diode device comprises gallium and nitrogen, is characterized by a nonpolar or semipolar oriented surface region, and is configured to emit a laser beam characterized by emission selected from violet emission with a wavelength ranging from 395 nm to 425 nm, blue emission with a wavelength ranging from 415 nm to 485 nm, green emission with a wavelength ranging from 500 nm to 560 nm, and a combination thereof; a laser stripe region overlying the nonpolar or semipolar surface region;
wherein each laser stripe region is oriented in a c-direction or a projection of a c-direction and characterized by a first end and a second end;an optical device configured to receive at least one laser beam from the at least one laser diode device and is configured to cause an output beam with a selected wavelength range, spectral width, power, and spatial configuration; and a phosphor material optically coupled to the output beam, wherein the support member is configured to transport thermal energy from the at least one laser diode device to a heat sink.
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Specification