Gallium nitride based laser dazzling device and method
View Patent ↗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.
1. A laser dazzling apparatus comprising:
a housing member;
a laser device, the laser device including an active region and a cavity member, the laser device being configured to emit a laser beam having a wavelength about 500 nm to 540 nm, the active regions including gallium nitride material, the laser beam being characterized by a first direction;
a driving circuit electrically coupled to the laser device, the driving circuit being adapted to deliver electrical energy to the laser device, the electrical energy being less than 800 mW;
a power source electrically coupled to the driving circuit;
an activation module electrically coupled to the driving circuit, the activation module being configured to send an activation signal to the driving circuit; and
a sight for aligning the laser beam to a desired position.
2. The apparatus of claim 1 wherein the laser device is associated with one or more operational modes, each of the operational modes is associated with an operating frequency.
3. The apparatus of claim 1 further comprising an optical concentrator aligned with the laser device.
4. The apparatus of claim 1 wherein the laser device comprises a plurality of green laser diodes sharing a single substrate.
5. The apparatus of claim 1 where the laser device comprises non-polar green laser diode.
6. The apparatus of claim 1 where the laser device comprises semi-polar green laser diode.
7. The apparatus of claim 1 wherein the laser device is fabricated from a bulk substrate.
8. The apparatus of claim 1 wherein the device is free from a frequency doubling crystal.
9. The apparatus of claim 1 wherein the laser beam is characterized by an energy level of less than 600 mW.
10. The apparatus of claim 1 wherein the laser beam is characterized by an energy level of less than 400 mW.
11. The apparatus of claim 1 wherein the laser device further comprises waveguide for projecting the laser beam along the first direction.
12. The apparatus of claim 1 wherein the laser device comprises a plurality of green laser diodes sharing a single package.
13. The apparatus of claim 1 further comprising an optic for adjusting the size of the laser beam at a predetermined distance.
14. The apparatus of claim 1 wherein the sight comprises an open sight.
15. The apparatus of claim 1 wherein the sight comprises an aperture sight.
16. The apparatus of claim 1 wherein the sight comprises a red dot sight.
17. The apparatus of claim 1 wherein the sight comprises a hologram sight.
18. The apparatus of claim 1 wherein the sight comprises a scope.
19. The apparatus of claim 1 wherein the housing comprises a pistol grip.
20. The apparatus of claim 1 wherein the housing comprises a rifle stock.
21. The apparatus of claim 1 wherein the activation module comprises a trigger.
22. The apparatus of claim 1 wherein the activation module comprises a safety.
23. The apparatus of claim 1 wherein the power source comprises a battery.
24. The apparatus of claim 1 wherein the driving circuit is adapted to deliver electrical energy to the laser device in pulses.
25. A laser dazzling apparatus comprising:
a laser device, the laser device including a green laser diode, the green laser diode comprising an active region and a cavity member, the green laser diode being configured to emit a laser beam at an intensity level of less than 800 mW, the active regions including gallium nitride material, the laser beam being characterized by a first direction;
a driving circuit electrically coupled to the laser device, the driving circuit being adapted to deliver electrical energy to the laser device, the electrical energy being less than 800 mW;
a power source electrically coupled to the driving circuit;
an activation module electrically coupled to the driving circuit, the activation module being configured to send an activation signal to the driving circuit, the activation module comprising an electrical trigger; and
a sight for aligning the laser beam to a desired position.
26. The apparatus of claim 25 wherein the laser device comprises a plurality of green laser diodes.
27. The apparatus of claim 25 wherein the green laser diode is non-polar.
28. The apparatus of claim 25 wherein the green laser diode is polar.
29. The apparatus of claim 25 wherein a housing member is mounted on a tripod.