Laser package having multiple emitters configured on a support member
First Claim
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1. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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 blue emission with a wavelength ranging from 415 nm to 485 nm;
a free space with a non-guided characteristic capable of transmitting the laser beam from the laser diode device;
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;
an output power characterizing the output beam of at least 0.5 W;
a phosphor material optically coupled to the output beam, wherein;
a support member is configured to transport thermal energy from the laser diode device to a heat sink;
a free space optics included in the optical device and 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
whereupon 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.
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Citations
30 Claims
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1. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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 blue emission with a wavelength ranging from 415 nm to 485 nm;a free space with a non-guided characteristic capable of transmitting the laser beam from the laser diode device; 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; an output power characterizing the output beam of at least 0.5 W; a phosphor material optically coupled to the output beam, wherein; a support member is configured to transport thermal energy from the laser diode device to a heat sink; a free space optics included in the optical device and 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 whereupon 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)
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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15. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
a support member; at least one laser diode device configured to the support member, the laser diode device comprising a gallium and nitrogen containing laser diode device configured to emit a laser beam characterized by emission selected from blue emission with a wavelength ranging from 415 nm to 485 nm; an optical fiber configured to receive the laser beam by optical coupling and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration, the output beam being characterized by an optical output power of at least 0.5 W; and a phosphor material optically coupled to the output beam from the optical fiber, wherein the phosphor material is external to the module apparatus;
the support member configured to transport thermal energy from the laser diode device to a heat sink;a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance; and whereupon 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 (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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28. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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 blue emission with a wavelength ranging from 415 nm to 485 nm;a free space with a non-guided characteristic capable of transmitting the laser beam from the laser diode device to an optical fiber or light guide located remotely at 10 to 100 mm relative to the laser diode device; 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; and an output power characterizing the output beam of at least 0.5 W; a phosphor material optically coupled to the output beam, wherein the output beam is geometrically configured to optimize an interaction with the phosphor material; wherein the phosphor material is configured to operate in a mode selected from a reflective mode, a transmissive mode, or a combination of a reflective mode and a transmissive mode; and a support member is configured to transport thermal energy from the laser diode device to a heat sink; a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance. - View Dependent Claims (29)
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
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30. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
a support member; at least one laser diode device configured to the support member, the laser diode device comprising a gallium and nitrogen containing laser diode device configured to emit a laser beam characterized by emission selected from blue emission with a wavelength ranging from 415 nm to 485 nm an optical fiber configured to receive the laser beam by optical coupling and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration, the output beam being characterized by an optical output power of at least 0.5 W; and a phosphor material optically coupled to the output beam from the optical fiber, wherein the phosphor material is external to the module apparatus; wherein the output beam is geometrically configured to optimize an interaction with the phosphor material; wherein the phosphor material is configured to operate in a mode selected from a reflective mode, a transmissive mode, or a combination of a reflective mode and a transmissive mode; and the support member is configured to transport thermal energy from the laser diode device to a heat sink; a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance; wherein the phosphor material is thermally coupled to the support member along a continuous thermal gradient toward a selected portion of a heat sink region within a vicinity of the support member.
- the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;
Specification