IP Library Granted Patent US 12706434
Granted Patent B2
US 12706434 · App. 19/251,621 · Granted Aug 11, 2026

Airplane configured with a high intensity pulse laser generation system and method

Inventors: Shuji Nakamura (Palo Alto, CA); Hiroaki Ohta (Palo Alto, CA)
Assignee: Blue Laser Fusion, Inc.
H01S5/0071B64D47/02H02N2/028G02B5/0825G02B5/10H01S5/3235
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Quick Facts
Patent No.
US 12706434
App. No.
19/251,621
Granted
Aug 11, 2026
Kind
B2
Abstract

In an example, the present invention provides an airplane or aerospace vehicle system configured with a high intensity pulse laser generation system.

Claims (33)

1 . An airplane or aerospace vehicle system, the system comprising:

a cockpit section;

a fuselage section having a first end and a second end, the first end coupled to the cockpit section;

a tail section coupled to the second end of the fuselage section;

an optical aperture coupled to the fuselage;

a high intensity pulse laser generation system configured in the fuselage between the first end and the second end, the system comprising:

a light source configured to generate a pulse of a laser beam having a pulse energy power of 0.01 Joule to 10 Mega Joule an optical cavity maintained in a vacuum of 300 Torr or less and characterized by a length of free space, the optical cavity being configured to increase an intensity of the pulse from a first energy power intensity to a second higher energy power intensity propagating on a first optical path located within the optical cavity by circulating or reciprocating the pulse along the first optical path;

an optical path modification device coupled to the optical cavity, the optical path modification device configured to repeatedly change a spatial direction of the pulse propagating on the first optical path at a predetermined timing ranging from 20 milliseconds to 3 seconds, the optical path modification device configured to cause the pulse propagating on the first optical path to change from the first optical path to a second optical path that is outside of the first optical path, wherein the optical path modification device is configured to change a direction of the pulse to the second optical path when the pulse has reached the second higher density thereby generating a high intensity pulse laser beam, and a response time to change to the second optical path is from 0.01 microsecond to 30 microseconds; and

wherein the second optical path traverses through the optical aperture and outside of the airplane or aerospace vehicle.

2 . The system of claim 1 wherein the pulse of the laser beam has a wavelength range from 1020 nm to 1070 nm.

3 . The system of claim 1 , wherein each of the mirror devices has a reflectance to the laser beam of 99.99% or more.

4 . The system of claim 1 wherein each of the mirror devices comprises a dielectric multilayer mirror surface that includes a fluorine compound.

5 . The system of claim 1 wherein the pulse of the laser beam from the light source comprises a pulsed laser with a frequency of more than 100 kHz.

6 . The system of claim 1 wherein the pulse of the laser beam from the light source is a single-mode laser.

7 . The system of claim 1 wherein the light source comprises a semiconductor laser light source containing an AlInGaN-based compound.

8 . The system of claim 1 wherein the pulse intensity of laser beam generated is at least 10 3 times greater than a pulse intensity of the laser beam from the light source.

9 . An airplane or aerospace vehicle system, the system comprising:

a cockpit section;

a fuselage section having a first end and a second end, the first end coupled to the cockpit section;

an optical aperture coupled to the fuselage section;

a tail section coupled to the second end of the fuselage section;

a high intensity pulse laser generation system configured in the fuselage between the first end and the second end, the system comprising:

an optical cavity maintained in a vacuum, the optical cavity being configured to increase an intensity of a pulse from a laser beam from a first energy power intensity to a second higher energy power intensity propagating on a first optical path configured within the optical cavity by circulating or reciprocating the pulse from a light source having a pulse energy power on the first optical path;

an optical path modification device coupled to the optical cavity, the optical path modification device configured to repeatedly change a spatial direction of the laser beam propagating on the first optical path at a predetermined timing with the response time to cause the laser beam propagating on the first optical path to change a direction from the first optical path to a second optical path that is outside of the first optical path, wherein the optical path modification device is configured to change a direction of the pulse to the second optical path when the pulse has reached the second higher energy density thereby generating a high intensity pulse laser beam;

at least a pair of mirror devices, each of the mirror devices provided within the first optical path, at least one of the pair of mirror devices configured to change a position of the mirror; and

wherein the second optical path traverses through the optical aperture and outside of the airplane or aerospace vehicle.

10 . The airplane or aerospace vehicle system of claim 9 , wherein the pulse of the laser beam has a wavelength range from 1020 nm to 1070 nm.

11 . The airplane or aerospace vehicle system of claim 9 , wherein each of the mirror devices has a reflectance to the laser beam of 99.99% or more.

12 . The airplane or aerospace vehicle system of claim 9 , wherein each of the mirror devices comprises a dielectric multilayer mirror surface that includes a fluorine compound.

13 . The airplane or aerospace vehicle system of claim 9 , wherein the pulse of the laser beam from the light source comprises a pulsed laser with a frequency of more than 100 kHz.

14 . The airplane or aerospace vehicle system of claim 9 , wherein the pulse of the laser beam from the light source is a single-mode laser.

15 . The airplane or aerospace vehicle system of claim 9 , wherein the light source comprises a semiconductor laser light source containing an AlInGaN-based compound.

16 . The airplane or aerospace vehicle system of claim 9 , wherein the pulse intensity of the laser beam generated has a second pulse intensity that is at least 10 3 times greater than a first pulse intensity of the laser beam from the light source.