Gallium nitride based laser dazzling device and method
First Claim
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1. A laser dazzling apparatus comprising:
- a housing member;
a laser device disposed within the housing member, the laser device comprising an active region and a laser stripe region configured to emit a laser beam having a wavelength from about 500 nm to about 540 nm, the active region comprising a gallium and nitrogen containing material and having a plurality of well layers and barrier layers stacked in a first direction, the laser stripe region configured to project the laser beam in a second direction substantially orthogonal to the first direction;
a driving circuit electrically coupled to the laser device, the driving circuit being adapted to deliver electrical power to the laser device, the electrical power being less than a predetermined value;
a power source electrically coupled to the driving circuit; and
an activation module electrically coupled to the driving circuit, the activation module configured to send an activation signal to the driving circuit.
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Abstract
A laser dazzler device and method. More specifically, embodiments of the present invention provide laser dazzling devices power by one or more green laser diodes characterized by a wavelength of about 500 nm to 540 nm. In various embodiments, laser dazzling devices according to the present invention include non-polar and/or semi-polar green laser diodes. In a specific embodiment, a single laser dazzling device includes a plurality of green laser diodes. There are other embodiments as well.
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Citations
21 Claims
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1. A laser dazzling apparatus comprising:
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a housing member; a laser device disposed within the housing member, the laser device comprising an active region and a laser stripe region configured to emit a laser beam having a wavelength from about 500 nm to about 540 nm, the active region comprising a gallium and nitrogen containing material and having a plurality of well layers and barrier layers stacked in a first direction, the laser stripe region configured to project the laser beam in a second direction substantially orthogonal to the first direction; a driving circuit electrically coupled to the laser device, the driving circuit being adapted to deliver electrical power to the laser device, the electrical power being less than a predetermined value; a power source electrically coupled to the driving circuit; and an activation module electrically coupled to the driving circuit, the activation module configured to send an activation signal to the driving circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A laser dazzling apparatus comprising:
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a laser device, the laser device comprising a green laser diode, the green laser diode comprising an active region and a laser stripe region configured to emit a laser beam characterized by a power less than a predetermined value, the active region comprising a gallium and nitrogen containing material and having a plurality of well layers and barrier layers stacked in a first direction, the laser stripe region configured to project the laser beam in a second direction substantially orthogonal to the first direction; a driving circuit electrically coupled to the laser device, the driving circuit configured to deliver electrical power to the laser device, the electrical power being less than the emitted power in the laser beam; a power source electrically coupled to the driving circuit; an activation module electrically coupled to the driving circuit, the activation module configured to send an activation signal to the driving circuit, the activation module comprising an electrical trigger; and a sight configured to align the laser beam to a desired position. - View Dependent Claims (19, 20)
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21. A laser dazzling apparatus comprising:
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a laser device, the laser device comprising a green laser diode;
whereinthe green laser diode is configured in a semi-polar {20-21}orientation; and the green laser diode comprises a gallium and nitrogen containing substrate, an active region having a plurality of well layers and barrier layers stacked in a first direction, and a laser stripe region configured to emit a laser beam in a second direction substantially orthogonal to the first direction and at a power level of less than a predetermined value, the laser beam configured to cause temporary blindness to a person; a driving circuit electrically coupled to the laser device, the driving circuit being adapted to deliver electrical power to the laser device; and a power source electrically coupled to the driving circuit.
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Specification
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Current AssigneeKyocera SLD Laser Incorporated (Kyocera Corporation)
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Original AssigneeSoraa Laser Diode, Inc. (Kyocera Corporation)
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InventorsRaring, James W., Rudy, Paul
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Primary Examiner(s)Tran, Thuy Vinh
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Assistant Examiner(s)Chen, Jianzi
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Application NumberUS13/752,158Time in Patent Office680 DaysField of Search372 4301- 5023US Class Current372/43.01CPC Class CodesB82Y 20/00 Nanooptics, e.g. quantum op...F41H 13/0056 for blinding or dazzling, i...F41H 13/0087 the high-energy beam being ...H01S 5/026 Monolithically integrated c...H01S 5/1053 Comprising an active region...H01S 5/22 having a ridge or stripe st...H01S 5/320275 semi-polar orientationH01S 5/34333 with a well layer based on ...H01S 5/4087 emitting more than one wave...
